Product Detail Manual PG

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PG-1
POWER SUPPLY, GROUND & CIRCUIT ELEMENTS
K ELECTRICAL
CONTENTS
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B
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PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 3
POWER SUPPLY ROUTING CIRCUIT ...................... 4
Schematic ................................................................ 4
Wiring Diagram — POWER — ................................. 6
BATTERY POWER SUPPLY — IGNITION SW.
IN ANY POSITION ................................................ 6
ACCESSORY POWER SUPPLY — IGNITION
SW. IN ACC OR ON ............................................ 12
IGNITION POWER SUPPLY — IGNITION SW.
IN ON .................................................................. 13
IGNITION POWER SUPPLY — IGNITION SW.
IN ON AND/OR START ....................................... 14
IGNITION POWER SUPPLY — IGNITION
SWITCH IN START ............................................. 16
Fuse ....................................................................... 17
Fusible Link ............................................................ 17
Circuit Breaker (Built Into BCM) ............................. 17
IPDM E/R (INTELLIGENT POWER DISTRIBUTION
MODULE ENGINE ROOM) ...................................... 18
System Description ................................................ 18
SYSTEMS CONTROLLED BY IPDM E/R ........... 18
CAN COMMUNICATION LINE CONTROL ......... 18
IPDM E/R STATUS CONTROL ........................... 19
CAN Communication System Description .............. 19
Function of Detecting Ignition Relay Malfunction ... 19
CONSULT-II Function (IPDM E/R) ......................... 20
CONSULT-II START PROCEDURE .................... 20
SELF-DIAGNOSTIC RESULTS .......................... 20
DATA MONITOR ................................................. 21
CAN DIAG SUPPORT MNTR ............................. 21
ACTIVE TEST ..................................................... 21
Auto Active Test ..................................................... 23
DESCRIPTION .................................................... 23
OPERATION PROCEDURE ............................... 23
INSPECTION IN AUTO ACTIVE TEST MODE ... 23
Schematic .............................................................. 25
IPDM E/R Terminal Arrangement ........................... 26
Terminals and Reference Values for IPDM E/R ...... 27
IPDM E/R Power/Ground Circuit Inspection ........... 29
Inspection with CONSULT-II (Self-Diagnosis) ........ 31
Removal and Installation of IPDM E/R ................... 32
REMOVAL ........................................................... 32
INSTALLATION ................................................... 32
GROUND CIRCUIT ................................................... 33
Ground Distribution ................................................. 33
MAIN HARNESS ................................................. 33
ENGINE ROOM HARNESS ................................ 36
ENGINE CONTROL HARNESS .......................... 39
BODY HARNESS ................................................ 40
BODY NO. 2 HARNESS ..................................... 41
BACK DOOR NO. 2 AND BACK DOOR HAR-
NESS ................................................................... 42
HARNESS ................................................................. 43
Harness Layout ...................................................... 43
HOW TO READ HARNESS LAYOUT ................. 43
OUTLINE ............................................................. 44
MAIN HARNESS ................................................. 45
ENGINE ROOM HARNESS (RH VIEW) ............. 47
ENGINE ROOM HARNESS (LH VIEW) .............. 51
ENGINE CONTROL HARNESS .......................... 53
CHASSIS HARNESS .......................................... 55
BODY HARNESS ................................................ 57
BODY NO. 2 HARNESS ..................................... 59
ROOM LAMP HARNESS .................................... 61
FRONT DOOR LH HARNESS ............................ 63
FRONT DOOR RH HARNESS ............................ 64
REAR DOOR LH HARNESS ............................... 65
REAR DOOR RH HARNESS .............................. 66
BACK DOOR HARNESS .................................... 67
Wiring Diagram Codes (Cell Codes) ...................... 69
ELECTRICAL UNITS LOCATION ............................ 71
Electrical Units Location ......................................... 71
ENGINE COMPARTMENT .................................. 71
PASSENGER COMPARTMENT ......................... 72
HARNESS CONNECTOR ......................................... 74
Description .............................................................. 74
HARNESS CONNECTOR (TAB-LOCKING
PG-2
Revision: September 2006 2007 Xterra
TYPE) .................................................................. 74
HARNESS CONNECTOR (SLIDE-LOCKING
TYPE) .................................................................. 75
HARNESS CONNECTOR (LEVER LOCKING
TYPE) .................................................................. 76
HARNESS CONNECTOR (DIRECT-CONNECT
SRS COMPONENT TYPE) ................................. 77
ELECTRICAL UNITS ................................................ 78
Terminal Arrangement ............................................ 78
STANDARDIZED RELAY .......................................... 79
Description .............................................................. 79
NORMAL OPEN, NORMAL CLOSED AND
MIXED TYPE RELAYS ........................................79
TYPE OF STANDARDIZED RELAYS ..................79
SUPER MULTIPLE JUNCTION (SMJ) ......................81
Terminal Arrangement .............................................81
FUSE BLOCK-JUNCTION BOX (J/B) ......................83
Terminal Arrangement .............................................83
FUSE AND FUSIBLE LINK BOX ..............................84
Terminal Arrangement .............................................84
FUSE AND RELAY BOX ...........................................85
Terminal Arrangement .............................................85
PRECAUTIONS
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PRECAUTIONS PFP:00011
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER” EKS00DNF
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WARNING:
●To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.
●Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
●Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
PG-4
POWER SUPPLY ROUTING CIRCUIT
Revision: September 2006 2007 Xterra
POWER SUPPLY ROUTING CIRCUIT PFP:24110
Schematic EKS00DNH
For detailed ground distribution, refer to PG-33, "Ground Distribution" .
WKWA5507E
POWER SUPPLY ROUTING CIRCUIT
PG-5
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WKWA5508E
PG-6
POWER SUPPLY ROUTING CIRCUIT
Revision: September 2006 2007 Xterra
Wiring Diagram — POWER — EKS00DNI
BATTERY POWER SUPPLY — IGNITION SW. IN ANY POSITION
WKWA5509E
POWER SUPPLY ROUTING CIRCUIT
PG-7
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WKWA4478E
PG-8
POWER SUPPLY ROUTING CIRCUIT
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WKWA5510E
POWER SUPPLY ROUTING CIRCUIT
PG-9
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WKWA4480E
PG-10
POWER SUPPLY ROUTING CIRCUIT
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WKWA4481E
POWER SUPPLY ROUTING CIRCUIT
PG-11
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WKWA5511E
PG-12
POWER SUPPLY ROUTING CIRCUIT
Revision: September 2006 2007 Xterra
ACCESSORY POWER SUPPLY — IGNITION SW. IN ACC OR ON
WKWA5513E
POWER SUPPLY ROUTING CIRCUIT
PG-13
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IGNITION POWER SUPPLY — IGNITION SW. IN ON
WKWA5514E
PG-14
POWER SUPPLY ROUTING CIRCUIT
Revision: September 2006 2007 Xterra
IGNITION POWER SUPPLY — IGNITION SW. IN ON AND/OR START
WKWA5515E
POWER SUPPLY ROUTING CIRCUIT
PG-15
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WKWA5516E
PG-16
POWER SUPPLY ROUTING CIRCUIT
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IGNITION POWER SUPPLY — IGNITION SWITCH IN START
WKWA4486E
POWER SUPPLY ROUTING CIRCUIT
PG-17
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Fuse EKS00HOO
●If fuse is blown, be sure to eliminate cause of incident before
installing new fuse.
●Use fuse of specified rating. Never use fuse of more than speci-
fied rating.
●Do not partially install fuse; always insert it into fuse holder prop-
erly.
●Remove fuse for “ELECTRICAL PARTS (BAT)” if vehicle is not
used for a long period of time.
Fusible Link EKS00HOP
A melted fusible link can be detected either by visual inspection or by feeling with finger tip. If its condition is
questionable, use circuit tester or test lamp.
CAUTION:
●If fusible link should melt, it is possible that critical circuit (power supply or large current carrying
circuit) is shorted. In such a case, carefully check and eliminate cause of incident.
●Never wrap outside of fusible link with vinyl tape.
●Never let fusible link touch any other wiring harness, vinyl or rubber parts.
Circuit Breaker (Built Into BCM) EKS00HOQ
For example, when current is 30A, the circuit is broken within 8 to 20 seconds.
A circuit breaker is used for the following systems:
●Power windows
CEL083
SBF284E
PG-18
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Revision: September 2006 2007 Xterra
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PFP:284B7
System Description EKS00DNJ
●IPDM E/R (Intelligent Power Distribution Module Engine Room) integrates the relay box and fuse block
which were originally placed in engine compartment. It controls integrated relays via IPDM E/R control cir-
cuits.
●IPDM E/R-integrated control circuits perform ON-OFF operation of relays, CAN communication control,
etc.
●It controls operation of each electrical component via ECM, BCM and CAN communication lines.
CAUTION:
None of the IPDM E/R integrated relays can be removed.
SYSTEMS CONTROLLED BY IPDM E/R
1. Lamp control
Using CAN communication lines, it receives signals from the BCM and controls the following lamps:
●Headlamps (High, Low)
●Daytime light relay control (Canada only)
●Parking lamps
●Tail and license plate lamps
●Front fog lamps
2. Wiper control
Using CAN communication lines, it receives signals from the BCM and controls the front wipers.
3. Daytime light relay control
Using CAN communication lines, it receives signals from the BCM and controls the daytime light relay.
4. Generator control
Using CAN communication lines, it receives signals from the ECM and controls power generation output.
5. Rear window defogger and heated mirror relay control (Canada only)
Using CAN communication lines, it receives signals from the BCM and controls the rear window defogger
and heated mirror relay (if equipped).
6. A/C compressor control
Using CAN communication lines, it receives signals from the BCM and controls the A/C compressor
(magnet clutch).
7. Starter control
Using CAN communication lines, it receives signals from the BCM and controls the starter relay.
8. Cooling fan control
Using CAN communication lines, it receives signals from the ECM and controls the cooling fan relays.
9. Horn control
Using CAN communication lines, it receives signals from the BCM and controls the horn relay.
CAN COMMUNICATION LINE CONTROL
With CAN communication, by connecting each control unit using two communication lines (CAN-L, CAN-H) it
is possible to transmit a maximum amount of information with minimum wiring. Each control unit can transmit
and receive data, and reads necessary information only.
1. Fail-safe control
●When CAN communication with other control units is impossible, IPDM E/R performs fail-safe control.
After CAN communication returns to normal operation, it also returns to normal control.
●Operation of control parts by IPDM E/R during fail-safe mode is as follows:
Controlled system Fail-safe mode
Headlamp ●With the ignition switch ON, the headlamp low is ON.
●With the ignition switch OFF, the headlamp low is OFF.
Tail, license plate and parking lamps ●With the ignition switch ON, the tail lamp relay is ON.
●With the ignition switch OFF, the tail lamp relay is OFF.
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PG-19
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IPDM E/R STATUS CONTROL
In order to save power, IPDM E/R switches status by itself based on each operating condition.
1. CAN communication status
●CAN communication is normally performed with other control units.
●Individual unit control by IPDM E/R is normally performed.
●When sleep request signal is received from BCM, mode is switched to sleep waiting status.
2. Sleep waiting status
●Process to stop CAN communication is activated.
●All systems controlled by IPDM E/R are stopped. When 3 seconds have elapsed after CAN communi-
cation with other control units is stopped, mode switches to sleep status.
3. Sleep status
●IPDM E/R operates in low current-consumption mode.
●CAN communication is stopped.
●When a change in CAN communication signal is detected, mode switches to CAN communication sta-
tus.
●When a change in ignition switch signal is detected, mode switches to CAN communication status.
CAN Communication System Description EKS00DNK
Refer to LAN-4, "SYSTEM DESCRIPTION" .
Function of Detecting Ignition Relay Malfunction EKS00DNL
●When the integrated ignition relay is stuck in a "closed contact" position and cannot be turned OFF, IPDM
E/R turns ON tail and parking lamps for 10 minutes to indicate IPDM E/R malfunction.
●When the state of the integrated ignition relay does not agree with the state of the ignition switch signal
received via CAN communication, the IPDM E/R activates the tail lamp relay.
NOTE:
When the ignition switch is turned ON, the tail lamps are OFF.
Cooling fan ●With the ignition switch ON, the cooling fan HI operates.
●With the ignition switch OFF, the cooling fan stops.
Front wiper Until the ignition switch is turned off, the front wiper LO and HI remains in the same status it
was in just before fail−safe control was initiated.
Rear window defogger Rear window defogger relay OFF
A/C compressor A/C compressor OFF
Front fog lamps Front fog lamp relay OFF
Controlled system Fail-safe mode
Ignition switch signal Ignition relay status Tail lamp relay
ON ON —
OFF OFF —
ON OFF —
OFF ON ON (10 minutes)
PG-20
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Revision: September 2006 2007 Xterra
CONSULT-II Function (IPDM E/R) EKS00DNM
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II START PROCEDURE
Refer to GI-38, "CONSULT-II Start Procedure" .
SELF-DIAGNOSTIC RESULTS
Display Item List
NOTE:
The details for display of the period are as follows:
●CRNT: Error currently detected with IPDM E/R.
●PAST: Error detected in the past and placed in IPDM E/R memory.
IPDM E/R Diagnostic Mode Description
SELF-DIAG RESULTS Displays IPDM E/R self-diagnosis results.
DATA MONITOR Displays IPDM E/R input/output data in real time.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
ACTIVE TEST Operation of electrical loads can be checked by sending drive signal to them.
Display items CONSULT-II
display code Malfunction detection TIME Possible causes
CRNT PAST
NO DTC IS
DETECTED.
FURTHER TEST-
ING MAY BE
REQUIRED.
—————
CAN COMM
CIRC U1000
●If CAN communication reception/transmission data
has a malfunction, or if any of the control units fail,
data reception/transmission cannot be confirmed.
●When the data in CAN communication is not
received before the specified time.
XX
Any of items listed
below have errors:
●TRANSMIT DIAG
●ECM
●BCM/SEC
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
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DATA MONITOR
All Signals, Main Signals, Selection From Menu
NOTE:
●Perform monitoring of IPDM E/R data with the ignition switch ON. When the ignition switch is in ACC posi-
tion, display may not be correct.
●(*1) This item is displayed, but does not function.
CAN DIAG SUPPORT MNTR
Refer to LAN-4, "SYSTEM DESCRIPTION" .
ACTIVE TEST
Display Item List
Item name CONSULT-II
screen display Display or unit
Monitor item selection
Description
ALL
SIGNALS MAIN
SIGNALS SELECTION
FROM MENU
Motor fan request MOTOR FAN
REQ 1/2/3/4 X X X Signal status input from ECM
Compressor
request AC COMP REQ ON/OFF X X X Signal status input from BCM
Parking, license
plate, and tail
lamp request TAIL & CLR REQ ON/OFF X X X Signal status input from BCM
Headlamp low
beam request HL LO REQ ON/OFF X X X Signal status input from BCM
Headlamp high
beam request HL HI REQ ON/OFF X X X Signal status input from BCM
Front fog lamps
request FR FOG REQ ON/OFF X X X Signal status input from BCM
Front wiper
request FR WIP REQ STOP/1LO/LO/HI X X X Signal status input from BCM
Wiper auto stop WIP AUTO
STOP ACT P/STOP P X X X Output status of IPDM E/R
Wiper protection WIP PROT OFF/LS/HS/
BLOCK X X X Control status of IPDM E/R
Starter request ST RLY REQ ON/OFF X X Signal status of input from
BCM
Ignition relay
status IGN RLY ON/OFF X X X Ignition relay status monitored
with IPDM E/R
Rear defogger
request RR DEF REQ ON/OFF X X X Signal status input from BCM
Hood switch HOOD SW (*1) OFF X Signal status input from IPDM
E/R
Theft warning
horn request THFT HRN REQ ON/OFF X X Signal status input from BCM
Horn chirp HORN CHIRP ON/OFF X X Output status of IPDM E/R
Daytime lights
request DTRL REQ ON/OFF X X Signal status input from BCM
Oil pressure
switch OIL P SW OPEN/CLOSE X X Signal status input from IPDM
E/R (function is not enabled)
Test name CONSULT-II screen display Description
Rear defogger output REAR DEFOGGER With a certain ON-OFF operation, the rear defogger relay can be oper-
ated.
Front wiper (HI, LO) output FRONT WIPER With a certain operation (OFF, HI ON, LO ON), the front wiper relay
(Lo, Hi) can be operated.
PG-22
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Revision: September 2006 2007 Xterra
Cooling fan output MOTOR FAN With a certain operation (1, 2, 3, 4), the cooling fan can be operated.
Headlamp relay (HI, LO)
output EXTERNAL LAMPS With a certain operation (OFF, HI ON, LO ON, TAIL ON, FOG ON), the
lamp relay (Low, High, Tail, Fog) can be operated.
Front fog lamp relay (FOG)
output EXTERNAL LAMPS With a certain operation (OFF, HI ON, LO ON, TAIL ON, FOG ON), the
lamp relay (Low, High, Tail, Fog) can be operated.
Tail lamp relay output EXTERNAL LAMPS With a certain operation (OFF, HI ON, LO ON, TAIL ON, FOG ON), the
lamp relay (Low, High, Tail, Fog) can be operated.
Horn output HORN With a certain ON-OFF operation, the horn relay can be operated.
Test name CONSULT-II screen display Description
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PG-23
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Auto Active Test EKS00DNN
DESCRIPTION
●In auto active test mode, operation inspection can be performed when IPDM E/R sends a drive signal to
the following systems:
–Rear window defogger
–Front wipers
–Tail, license plate, front fog, and parking lamps
–Headlamps (High, Low)
–A/C compressor (magnet clutch)
–Cooling fan
OPERATION PROCEDURE
1. Close hood and front door RH, and lift wiper arms away from windshield (to prevent glass damage by
wiper operation).
NOTE:
When auto active test is performed with hood opened, sprinkle water on windshield beforehand.
2. Turn ignition switch OFF.
3. Turn ignition switch ON and, within 20 seconds, press front door switch LH 10 times. Then turn ignition
switch OFF.
4. Turn ignition switch ON within 10 seconds after ignition switch OFF.
5. When auto active test mode is actuated, horn chirps once.
6. After a series of operations is repeated three times, auto active test is completed.
NOTE:
When auto active test mode has to be cancelled halfway, turn ignition switch OFF.
CAUTION:
Be sure to perform BL-27, "Door Switch Check" when the auto active test cannot be performed.
INSPECTION IN AUTO ACTIVE TEST MODE
When auto active test mode is actuated, the following six steps are repeated three times.
WKIA4527E
Item Number Test Item Operation Time/Frequency
1 Rear window defogger 10 seconds
2 Front wipers LOW 5 seconds then HIGH 5 seconds
3 License plate, tail, parking and fog lamps 10 seconds
4 Headlamps LOW 10 seconds then HIGH ON-OFF 5 times
5 A/C compressor (magnet clutch) ON-OFF 5 times
6 Cooling fan LOW 5 seconds, then HIGH 5 seconds
PG-24
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Revision: September 2006 2007 Xterra
Concept of Auto Active Test
●IPDM E/R actuates auto active test mode when it receives door switch signal from BCM via CAN commu-
nication line. Therefore, when auto active test mode is activated successfully, CAN communication
between IPDM E/R and BCM is normal.
●If any of the systems controlled by IPDM E/R cannot be operated, possible cause can be easily diagnosed
using auto active test.
Diagnosis chart in auto active test mode
WKIA4992E
Symptom Inspection contents Possible cause
Rear window defogger
does not operate.
Perform auto active
test. Does rear win-
dow defogger oper-
ate?
YES ●BCM signal input circuit
NO
●Rear window defogger relay
●Open circuit of rear window defogger
●IPDM E/R malfunction
●Harness or connector malfunction between IPDM E/R and rear window
defogger
Any of front wipers, tail
and parking lamps, front
fog lamps, and head-
lamps (Hi, Lo) do not
operate.
Perform auto active
test. Does system in
question operate?
YES ●BCM signal input system
NO
●Lamp/wiper motor malfunction
●Lamp/wiper motor ground circuit malfunction
●Harness/connector malfunction between IPDM E/R and system in
question
●IPDM E/R (integrated relay) malfunction
A/C compressor does
not operate.
Perform auto active
test. Does magnet
clutch operate?
YES
●BCM signal input circuit
●CAN communication signal between BCM and ECM
●CAN communication signal between ECM and IPDM E/R
NO
●Magnet clutch malfunction
●Harness/connector malfunction between IPDM E/R and magnet clutch
●IPDM E/R (integrated relay) malfunction
Cooling fan does not
operate.
Perform auto active
test. Does cooling fan
operate?
YES ●ECM signal input circuit
●CAN communication signal between ECM and IPDM E/R
NO
●Cooling fan motor malfunction
●Harness/connector malfunction between IPDM E/R and cooling fan
motor
●IPDM E/R (integrated relay) malfunction
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
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Schematic EKS00DNO
WKWA5517E
PG-26
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Revision: September 2006 2007 Xterra
IPDM E/R Terminal Arrangement EKS00DNP
WKIA5883E
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
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Terminals and Reference Values for IPDM E/R EKS00HMC
Terminal Wire
color Signal name Signal
input/
output
Measuring condition Reference value
(Approx.)
Ignition
switch Operation or condition
1 W Battery power supply Input OFF — Battery voltage
2 R Battery power supply Input OFF — Battery voltage
3 G Ignition coil Output ON or
START — Battery voltage
4 P ECM relay Output ON or
START — Battery voltage
6 V Throttle control relay Output ON or
START — Battery voltage
7 BR ECM relay control Input — Ignition switch ON or START 0V
Ignition switch OFF or ACC Battery voltage
8W/R
O2 and A/F sensor
ignition supply Output ON or
START — Battery voltage
10 R/B Battery power supply
(daytime light relay) Output OFF — Battery voltage
11 Y A/C compressor Output ON A/C switch or auto A/C
request ON Battery voltage
12 W/G Ignition switch Input — OFF or ACC 0V
ON or START Battery voltage
13 R Fuel pump Output — OFF or ACC 0V
ON or START Battery voltage
14 W/G A/T ignition supply Output ON or
START — Battery voltage
15 W/R ABS ignition supply Output ON or
START — Battery voltage
16 W/G Reverse lamp Output ON or
START — Battery voltage
17 W/G Injector Output ON or
START — Battery voltage
19 W Starter motor Output START — Battery voltage
20 BR Cooling fan motor
(low) Output ON or
START — Battery voltage
21 GR Ignition switch Input —OFF or ACC or ON 0V
START Battery voltage
22 G Battery power supply
(cooling fan relays) Input OFF — Battery voltage
23 LG Heated mirror relay Output ON or
START
Rear window defogger switch
is ON Battery voltage
Rear window defogger switch
is OFF 0V
24 P Cooling fan motor
(high) Output ON or
START — Battery voltage
27 W Trailer tow relay Output ON or
START — Battery voltage
28 R LH front parking and
front side marker lamp Output OFF
Lighting
switch 1ST
position
OFF 0V
ON Battery voltage
PG-28
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Revision: September 2006 2007 Xterra
29 G Trailer tow relay Output ON
Lighting
switch 1ST
position
OFF 0V
ON Battery voltage
30 R/B Battery power supply
(ECM) Input OFF — Battery voltage
32 GR Wiper low speed sig-
nal Output ON Wiper switch OFF 0V
LO Battery voltage
35 L Wiper high speed sig-
nal Output ON Wiper switch OFF 0V
HI Battery voltage
37 Y Generator Output ON —
38 B Ground Input — — 0V
39 L CAN-H — ON — —
40 P CAN-L — ON — —
43 G Wiper auto stop signal Input ON Wiper in non-park position Battery voltage
Wiper in park position 0V
44 R Daytime light relay 1
signal Output ON
Park brake
switch posi-
tion
OFF 0V
ON Battery voltage
45 LG Horn relay Input OFF
When door
locks are
operated
using keyfob
OFF Battery voltage
ON 0V
46 V Fuel pump relay con-
trol Input — Ignition switch ON or START 0V
Ignition switch OFF or ACC Battery voltage
47 O Throttle control relay
control Input — Ignition switch ON or START 0V
Ignition switch OFF or ACC Battery voltage
48 R Starter relay (inhibit
switch) Input ON or
START
Selector lever in "P" or "N" Battery voltage
Selector lever any other posi-
tion 0V
49 GR RH front parking and
front side marker lamp Output OFF
Lighting
switch 1ST
position
OFF
ON Battery voltage
50 W Front fog lamp (LH) Output ON
Lighting
switch must
be in the 2ND
position or
AUTO posi-
tion (LOW
beam is ON)
and the front
fog lamp
switch must
be ON
OFF 0V
ON Battery voltage
Termin al Wire
color Signal name Signal
input/
output
Measuring condition Reference value
(Approx.)
Ignition
switch Operation or condition
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PG-29
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
IPDM E/R Power/Ground Circuit Inspection EKS00DNQ
1. FUSE AND FUSIBLE LINK INSPECTION
Check that the following fusible links are not blown.
OK or NG
OK >> GO TO 2.
NG >> Replace fusible link.
51 V Front fog lamp (RH) Output ON
Lighting
switch must
be in the 2ND
position or
AUTO posi-
tion (LOW
beam is ON)
and the front
fog lamp
switch must
be ON
OFF 0V
ON Battery voltage
52 P Headlamp low (LH) Output OFF
Lighting
switch 2ND
position
OFF 0V
ON Battery voltage
54 R Headlamp low (RH) Output OFF
Lighting
switch 2ND
position
OFF 0V
ON Battery voltage
55 G Headlamp high (LH) Output OFF
Lighting
switch HIGH
or PASS posi-
tion
OFF 0V
ON Battery voltage
56 L Headlamp high (RH) Output OFF
Lighting
switch HIGH
or PASS posi-
tion
OFF 0V
ON Battery voltage
57 GR Rear parking, license,
and tail lamp Input ON
Lighting
switch 1ST
position
OFF 0V
ON Battery voltage
59 B Ground — — — 0V
60 GR Rear window defog-
ger relay output signal Output ON
When rear window defogger
switch is ON Battery voltage
When rear window defogger
switch is OFF 0V
61 R/B Battery power supply
(trailer tow relay) Output OFF — Battery voltage
Terminal Wire
color Signal name Signal
input/
output
Measuring condition Reference value
(Approx.)
Ignition
switch Operation or condition
Terminal No. Signal name Fusible link No.
1, 2 Battery power a, c, d
PG-30
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Revision: September 2006 2007 Xterra
2. POWER CIRCUIT INSPECTION
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R harness connector E118.
3. Check voltage between IPDM E/R harness connector and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair or replace IPDM E/R power circuit harness.
3. GROUND CIRCUIT INSPECTION
1. Disconnect IPDM E/R harness connectors E122 and E124.
2. Check continuity between IPDM E/R harness connectors E122
(A) terminal 38, E124 (B) terminal 59 and ground.
OK or NG
OK >> Inspection End.
NG >> Repair or replace IPDM E/R ground circuit harness.
Terminals
Voltage (Approx.)(+) (-)
IPDM E/R connector Terminal
E118 1, 2 Ground Battery voltage
WKIA4017E
Continuity should exist.
WKIA4018E
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
PG-31
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
Inspection with CONSULT-II (Self-Diagnosis) EKS00DNR
CAUTION:
If a CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on which control unit(s) carries out CAN communication.
1. SELF-DIAGNOSIS RESULT CHECK
1. Connect CONSULT-II and select "IPDM E/R" on the "SELECT SYSTEM" screen.
2. Select "SELF-DIAG RESULTS" on the "SELECT DIAG MODE" screen.
3. Check display content in self-diagnosis results.
NOTE:
The Details for Display for the Period are as follows:
●CRNT: Error currently detected by IPDM E/R.
●PAST: Error detected in the past and stored in IPDM E/R memory.
Contents displayed
NO DTC DETECTED. FURTHER TESTING MAY BE REQUIRED.>>Inspection End.
CAN COMM CIRC>>Print out the self-diagnosis result and refer to LAN-4, "SYSTEM DESCRIPTION" .
CONSULT-II Display CONSULT-II
display code
TIME Details of diagnosis result
CRNT PAST
NO DTC IS DETECTED.
FURTHER TESTING MAY BE REQUIRED. — — — No malfunction
CAN COMM CIRC U1000 X X
Any of items listed below have errors:
●TRANSMIT DIAG
●ECM
●BCM/SEC
PG-32
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
Revision: September 2006 2007 Xterra
Removal and Installation of IPDM E/R EKS00DNS
REMOVAL
1. Disconnect negative battery cable.
2. Remove IPDM E/R upper cover.
3. Release 2 clips and pull IPDM E/R up from case.
4. Disconnect IPDM E/R connectors and remove the IPDM E/R.
INSTALLATION
Installation is in the reverse order of removal.
WKIA3352E
LKIA0421E
GROUND CIRCUIT
PG-33
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
GROUND CIRCUIT PFP:24080
Ground Distribution EKS00DNT
MAIN HARNESS
WKIA5884E
PG-34
GROUND CIRCUIT
Revision: September 2006 2007 Xterra
WKIA5080E
GROUND CIRCUIT
PG-35
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
WKIA5081E
PG-36
GROUND CIRCUIT
Revision: September 2006 2007 Xterra
ENGINE ROOM HARNESS
WKIA5885E
GROUND CIRCUIT
PG-37
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
WKIA5886E
PG-38
GROUND CIRCUIT
Revision: September 2006 2007 Xterra
WKIA5887E
GROUND CIRCUIT
PG-39
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
ENGINE CONTROL HARNESS
WKIA5888E
PG-40
GROUND CIRCUIT
Revision: September 2006 2007 Xterra
BODY HARNESS
WKIA3969E
GROUND CIRCUIT
PG-41
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
BODY NO. 2 HARNESS
WKIA3970E
PG-42
GROUND CIRCUIT
Revision: September 2006 2007 Xterra
BACK DOOR NO. 2 AND BACK DOOR HARNESS
WKIA3971E
HARNESS
PG-43
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
HARNESS PFP:24010
Harness Layout EKS00DNU
HOW TO READ HARNESS LAYOUT
The following Harness Layouts use a map style grid to help locate
connectors on the drawings:
●Main Harness and Console Sub-harness
●Engine Room Harness (RH View) Engine Compartment, Gener-
ator Sub-harness, and Trailer Tow Relay Sub-harness
●Engine Room Harness (Passenger Compartment)
●Engine Room Harness (LH View) Engine Compartment
●Engine Control Harness, Injector Sub-harness, Ignition Coil
Sub-harness and Knock Sensor Sub-harness
●Chassis Harness, Differential Sub-harness and Trailer Sub-har-
ness
●Body Harness
●Body No. 2 Harness
●Room Lamp Harness
●Back Door Harness, Back Door No. 2 Harness, Rear Window Sub-Harness, Rear Window Defogger Sub-
Harness
To use the grid reference
1. Find the desired connector number on the connector list.
2. Find the grid reference.
3. On the drawing, find the crossing of the grid reference letter column and number row.
4. Find the connector number in the crossing zone.
5. Follow the line (if used) to the connector.
WKIA4020E
PG-44
HARNESS
Revision: September 2006 2007 Xterra
OUTLINE
WKIA5889E
HARNESS
PG-45
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
MAIN HARNESS
WKIA5890E
PG-46
HARNESS
Revision: September 2006 2007 Xterra
A3 M1 W/12 : To R1 E2 M62 B/2 : Front blower motor
F1 M3 W/8 : Fuse block (J/B) D4 M63 W/6 : To M204
F2 M4 W/16 : Fuse block (J/B) B4 M68 V/1 : To M250 (with XM satellite radio tuner)
A4 M6 W/6 : To E10 B4 M68 BR/1 : To M250 (with Sirius satellite radio tuner)
A4 M8 W/16 : To D2 B4 M70 W/26 : Differential lock control unit
A4 M9 W/24 : To D1 F2 M74 W/16 : To D102
A3 M10 Y/4 : To E29 F2 M75 W/12 : To D101
C3 M13 W/3 : Front passenger air bag OFF indicator B3 M76 W/6 : Electric brake (pre-wiring)
E2 M16 W/12 : To B162 D1 M77 Y/4 : Front passenger air bag module (service
replacement)
E3 M17 W/16 : To B163 E1 M79 — : Body ground
B2 M18 W/40 : BCM (body control module) E3 M85 W/4 : Aux in jack
B3 M19 W/15 : BCM (body control module) B4 M91 W/16 : To E26
B3 M20 B/15 : BCM (body control module) E2 M105 Y/2 : Front passenger air bag module
C4 M21 W/4 : NATS antenna amp. E2 M106 O/2 : Front passenger air bag module
C3 M22 W/16 : Data link connector A2 M109 BR/2 : Front tweeter LH
B2 M24 W/40 : Combination meter E1 M111 BR/2 : Front tweeter RH
B3 M26 W/6 : Ignition switch E2 M120 W/4 : Remote keyless entry receiver
C3 M27 W/2 : Key switch E2 M122 B/4 : Front blower motor resistor
C3 M28 W/16 : Combination switch C4 M123 W/2 : Tire pressure warning check connector
C4 M29 Y/6 : Combination switch (spiral cable) B4 M129 V/1 : Satellite radio tuner (with XM satellite
radio tuner)
C4 M30 GR/8 : Combination switch (spiral cable) B4 M129 BR/1 : Satellite radio tuner (with Sirius satellite
radio tuner)
F2 M31 SMJ : To E152 B2 M139 B/2 : Diode-1
E5 M35 Y/28 : Air bag diagnosis sensor unit D4 M141 GR/8 : 4WD shift switch
F3 M36 SMJ : To B149 C2 M142 B/6 : Mode door motor
A4 M40 SMJ : To B69 D3 M146 B/2 : Intake sensor
A4 M41 W/16 : Satellite radio tuner D2 M147 B/6 : Air mix door motor (front)
A4 M41 W/16 : Pre-wiring for satellite radio tuner D3 M149 W/6 : Differential lock control unit
E3 M42 W/12 : Audio unit C3 M150 W/2 : Ignition keyhole illumination
E3 M43 W/10 : Audio unit A3 M152 W/26 : Transfer case control unit
E3 M44 W/6 : Audio unit B4 M153 W/24 : Transfer case control unit
D3 M45 W/16 : Audio unit D4 M154 GR/6 : VDC off switch
C4 M47 W/8 : Steering angle sensor D4 M155 W/8 : HDC switch
D3 M49 B/26 : Front air control D4 M156 W/10 : A/T device
C3 M51 W/8 : Front blower switch B4 M159 W/16 : Door mirror remote control switch
E3 M53 B/2 : Lower front power socket B3 M163 W/8 : Clutch interlock cancel switch
E3 M54 GR/2 : Upper front power socket B3 M164 B/5 : Clutch interlock cancel relay 1
C3 M55 W/4 : Hazard switch B3 M165 B/2 : Diode-7
B3 M57 – : Body ground Console sub-harness
E2 M58 B/6 : Intake door motor E4 M204 W/6 : To M63
D2 M61 — : Body ground F5 M207 B/2 : Console power socket
HARNESS
PG-47
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
ENGINE ROOM HARNESS (RH VIEW)
Engine Compartment
Refer to PG-51, "ENGINE ROOM HARNESS (LH VIEW)" for continuation of engine room harness. WKIA5891E
PG-48
HARNESS
Revision: September 2006 2007 Xterra
E2 E2 W/16 : To F32 E1 E124 B/6 : IPDM E/R (intelligent power distribution mod-
ule engine room)
E3 E5 W/24 : To F14 C2 E127 — : Fusible link box (battery)
D1 E12 L/5 : Stop lamp relay C2 E128 GR/2 : Fusible link box (battery)
B2 E15 — : Body ground C2 E129 BR/2 : Fusible link box (battery)
D1 E16 B/40 : ECM D4 E150 — : Battery ground
E2 E19 W/16 : To F33 C3 E151 — : Negative battery cable
C2 E24 — : Body ground D3 E156 L/4 : Transfer shut off relay 1
C2 E30 — : Fusible link box (battery) D3 E157 L/4 : Transfer shut off relay 2
D3 E40 GR/9 : To E201 D3 E161 B/3 : Battery current sensor
G4 E41 SMJ : To C1 D1 E166 BR/6 : Clutch interlock cancel relay 2 (with M/T)
D1 E45 BR/6 : Back-up lamp relay (with A/T) C3 E167 B/2 : Diode-3
C1 E46 B/5 : Transfer shift high relay C3 E168 W/2 : To E225
D3 E47 B/5 : Transfer shift low relay C1 E169 L/4 : Trailer turn relay LH
C5 E48 B/3 : Refrigerant pressure sensor E3 E170 L/4 : Trailer turn relay RH
D2 E54 BR/6 : Front blower motor relay Generator sub-harness
A5 E102 B/2 : Front fog lamp RH D3 E201 GR/9 : To E40
D1 E103 B/5 : Daytime light relay 1 C3 E202 B/1 : To fuse and fusible link box
E2 E104 L/4 : Daytime light relay 2 C3 E203 — : Body ground
F3 E105 B/2 : Front and rear washer motor D5 E205 GR/3 : Generator
F2 E106 BR/2 : Washer fluid level switch C3 E206 — : Generator
A3 E107 B/3 : Front combination lamp RH (head
lamp) F5 E207 GR/1 : Starter motor
A3 E108 GR/2 : Front combination lamp RH (side
marker) E5 E208 GR/1 : Oil pressure switch
A3 E111 GR/3 : Front combination lamp RH (park
ing /turn signal lamp) E4 E209 — : Generator
C3 E113 GR/4 : Cooling fan motor F4 E210 — : Starter motor
D3 E117 GR/2 : Front wheel sensor RH Trailer tow relay sub-harness
E2 E118 B/2 : IPDM E/R (intelligent power distri-
bution module engine room) C3 E225 W/12 : To E168
F1 E119 W/18 : IPDM E/R (intelligent power distri-
bution module engine room) C3 E226 L/4 : Back-up lamp relay (with M/T)
E1 E120 W/6 : IPDM E/R (intelligent power distri-
bution module engine room) C2 E227 L/4 : Trailer tow relay 1
E2 E121 BR/12 : IPDM E/R (intelligent power distri-
bution module engine room C2 E228 BR/6 : Trailer tow relay 2
E1 E122 W/12 : IPDM E/R (intelligent power distri-
bution module engine room)
F2 E123 BR/8 : IPDM E/R (intelligent power distri-
bution module engine room)
HARNESS
PG-49
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
Passenger Compartment
WKIA5055E
PG-50
HARNESS
Revision: September 2006 2007 Xterra
C4 E10 W/6 : To M6 C3 E38 W/4 : Stop lamp switch (with A/T)
D3 E20 B/6 : Accelerator pedal position (APP)
sensor C3 E43 L/2 : ASCD clutch switch
C4 E26 W/16 : To M91 G3 E152 SMJ : To M31
C3 E29 Y/4 : To M10 G2 E158 B/1 : Fuse block (J/B)
C4 E34 W/8 : To B40 G2 E159 B/2 : Fuse block (J/B)
C4 E36 W/2 : To B42 G2 E160 W/8 : Fuse block (J/B)
C3 E37 BR/2 : ASCD brake switch B3 E163 L/2 : Clutch interlock switch
HARNESS
PG-51
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
ENGINE ROOM HARNESS (LH VIEW)
Engine Compartment
Refer to PG-47, "ENGINE ROOM HARNESS (RH VIEW)" for continuation of engine room harness.LKIA0846E
PG-52
HARNESS
Revision: September 2006 2007 Xterra
F4 E3† B/2 : Horn (with dual note horn) B1 E23 GR/5 : Front wiper motor
D4 E3†† B/1 : Horn (without dual note horn) E2 E27 GR/3 : Front combination lamp LH (parking/turn signal)
D4 E4 Y/2 : Crash zone sensor B2 E31 B/3 : Front pressure sensor
E2 E9 — : Body ground C3 E32 B/3 : Rear pressure sensor
E3 E11 B/3 : Front combination lamp LH (head
lamp) B3 E49 B/6 : Active booster
D5 E13 GR/2 : Ambient sensor 2 F4 E101 B/2 : Front fog lamp LH
D2 E14 — : Body ground C1 E125 B/47 : ABS actuator and electric unit (control unit)
E2 E17 GR/2 : Front combination lamp LH (side
marker) D2 E126 — : Body ground
C4 E18 GR/2 : Front wheel sensor LH D4 E162 B/1 : Horn (with single note horn)
B2 E21 GR/2 : Brake fluid level switch
HARNESS
PG-53
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
ENGINE CONTROL HARNESS
WKIA5892E
PG-54
HARNESS
Revision: September 2006 2007 Xterra
D5 F3 B/1 : A/C Compressor B4 F50 B/6 : Electric throttle control actuator
E4 F5 GR/4 : Air fuel ratio (A/F) sensor 1 (bank 2) D4 F51 G/2 : Intake valve timing control solenoid
valve (bank 2)
D4 F6 GR/3 : Ignition coil No. 2 (with power tran-
sistor) A1 F54 B/81 : ECM
E4 F7 GR/3 : Ignition coil No. 4 (with power tran-
sistor) F3 F55 B/2 : ATP switch
E3 F8 GR/3 : Ignition coil No. 6 (with power tran-
sistor) G2 F58 B/8 : Transfer control device (actuator motor)
E2 F9 G/10 : A/T assembly G3 F59 B/2 : Wait detection switch
C4 F10 — : Engine ground G3 F60 GR/2 : 4LO switch
C2 F11 B/3 : Crankshaft position sensor (POS) C2 F65 GR/4 : Air fuel ratio (A/F) sensor 1 (bank 1)
F3 F12 G/4 : Heated oxygen sensor 2 (bank 2) E2 F66 B/2 : Park/neutral position switch (with M/T)
E3 F13 L/4 : Heated oxygen sensor 2 (bank 1) D3 F67 L/4 : To F150
A1 F14 W/24 : To E5 E2 F69 W/2 : Back up lamp switch
C4 F15 L/2 : EVAP canister purge volume control
solenoid valve C1 F70 G/3 : Camshaft position sensor (PHASE) (bank 1)
C4 F16 — : Engine ground Injector sub-harness
D4 F18 GR/2 : Fuel injector No. 2 D2 F101 GR/4 : To F44
C3 F19 B/2 : VIAS control solenoid valve C3 F102 GR/2 : Fuel injector No. 1
D4 F20 GR/2 : Fuel injector No. 4 C3 F103 GR/2 : Fuel injector No. 3
E3 F21 GR/2 : Condenser-1 C3 F104 GR/2 : Fuel injector No. 5
D3 F22 GR/2 : Fuel injector No. 6 Ignition coil sub-harness
E3 F23 B/3 : Camshaft position sensor (PHASE)
(bank 2) B2 F125 G/8 : To F26
D1 F24 GR/2 : Engine coolant temperature sensor B3 F126 GR/3 : Ignition coil No. 1 (with power transistor)
C1 F26 G/8 : To F125 B2 F127 GR/3 : Ignition coil No. 3 (with power transistor)
C3 F27 B/1 : Starter motor (not shown, lower RH
of engine) C2 F128 GR/3 : Ignition coil No. 5 (with power transistor)
C5 F31 B/6 : Mass air flow sensor B3 F129 G/2 : Intake valve timing control solenoid valve
(bank 1)
B1 F32 W/16 : To E2 Knock sensor sub-harness
B1 F33 W/16 : To E19 D3 F150 L/4 : To F67
A3 F39 — : Fusible link box (battery) C4 F151 B/2 : Knock sensor (bank 1)
D2 F44 GR/4 : To F101 D3 F152 B/2 : Knock sensor (bank 2)
B4 F46 B/3 : Power steering pressure sensor
HARNESS
PG-55
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
CHASSIS HARNESS
LKIA0847E
PG-56
HARNESS
Revision: September 2006 2007 Xterra
F2 C1 SMJ : To E41 Differential Sub-harness
D2 C5 GR/5 : Fuel level sensor unit and fuel pump C3 C115 GR/4 : To C14
A3 C6 B/2 : EVAP canister vent control valve C4 C116 GR/2 : Differential lock position switch
A3 C7 GR/3 : EVAP control system pressure sensor C4 C117 B/2 : Differential lock solenoid
E4 C10 G/2 : Rear wheel sensor RH Trailer Sub-harness
C3 C11 G/2 : Rear wheel sensor LH B4 C125 GR/6 :To C51
A4 C12 W/2 : License plate lamp A5 C126 B/7 : Trailer
B3 C14 GR/4 : To C115 A4 C150 B/2 : To C52
B4 C51 GR/6 : To C125
A4 C52 B/2 : To C150
HARNESS
PG-57
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
BODY HARNESS
WKIA5893E
PG-58
HARNESS
Revision: September 2006 2007 Xterra
B5 B5 — : Body ground (LH sattelite sensor) A4 B40 W/8 : To E34
D4 B6 W/12 : To D201 B5 B42 W/2 : To E36
B5 B7 — : Body ground G1 B48 W/6 : To D402
C4 B8 W/3 : Front door switch LH G2 B50 W/2 :To D410
B3 B9 Y/12 : Air bag diagnosis sensor unit A4 B69 SMJ : To M40
C4 B10 Y/2 : Front LH side air bag module C5 B72 W/8 : Subwoofer (with audio amplifier)
C4 B12 W/3 : Seat belt buckle switch LH B4 B73 B/6 : Yaw rate/side/decel G sensor
D5 B14 Y/2 : Front LH seat belt pre-tensioner A4 B78 Y/2 : To B157
C5 B15 Y/2 : LH side air bag (satellite) sensor A3 B80 W/2 : Vanity lamp LH
E2 B18 W/3 : Rear door switch LH A2 B81 W/2 : Vanity lamp RH
G2 B19 — : Body ground A1 B82 Y/2 : RH side front curtain air bag module
G3 B35 W/6 : Rear combination lamp LH B4 B84 B/1 : Parking brake switch
C2 B38 Y/2 : LH side front curtain air bag module G2 B85 B/1 : Body ground
HARNESS
PG-59
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
BODY NO. 2 HARNESS
WKIA5894E
PG-60
HARNESS
Revision: September 2006 2007 Xterra
A2 B105 W/6 : Rear combination lamp RH A2 B132 — : Body ground
D3 B106 W/12 : To D301 E4 B136 W/16 : To P151
E4 B108 W/3 : Front door switch RH D5 B137 W/3 : Belt tension sensor
F4 B110 W/3 : Seat belt buckle switch RH A2 B138 B/2 : Rear cargo power socket
F5 B112 — : Body ground (satellite sensor) G4 B149 SMJ : To M36
F3 B113 Y/12 : Air bag diagnosis sensor unit F3 B157 Y/2 : To B78
E5 B114 Y/2 : RH side air bag (satellite) sensor E4 B158 W/8 : Audio amplifier
C2 B116 W/3 : Rear door switch RH E4 B159 W/24 : Audio amplifier
F4 B117 — : Body ground A3 B160 — : Body ground
E3 B126 Y/2 : Front RH side air bag module F4 B162 W/12 : To M16
D4 B127 Y/2 : Front RH seat belt pre-tensioner F4 B163 W/16 : To M17
HARNESS
PG-61
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
ROOM LAMP HARNESS
WKIA3985E
PG-62
HARNESS
Revision: September 2006 2007 Xterra
B5 R1 W/12 : To M1 E1 R11 W/2 : Cargo lamp
B3 R9 W/3 : Front room/map lamp assembly D2 R12 W/2 : Room lamp 2nd row
HARNESS
PG-63
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
FRONT DOOR LH HARNESS
WKIA3986E
D1 W/24 : To M9 D7 W/16 : Main power window and door lock/unlock
switch
D2 W/16 : To M8 D9 GR/2 : Front power window motor LH
D4 B/10 : Door mirror LH (with heated mirror) D12 W/2 : Front door speaker LH
D4 B/3 : Door mirror LH (without heated mirror) D14 GR/6 : Front door lock assembly LH
PG-64
HARNESS
Revision: September 2006 2007 Xterra
FRONT DOOR RH HARNESS
WKIA3987E
D101 W/12 : To M75 D107 B/3 : Door mirror RH (without heated mirror)
D102 W/16 : To M74 D107 B/10 : Door mirror RH (with heated mirror)
D104 GR/2 : Front power window motor RH D112 W/2 : Front door speaker RH
D105 W/12 : Power window and door lock/unlock
switch RH D114 W/2 : Front door lock actuator RH
HARNESS
PG-65
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
REAR DOOR LH HARNESS
WKIA3989E
D201 W/12 : To B6 D205 W/2 : Rear door lock actuator LH
D203 W/8 : Rear power window switch LH D207 W/2 : Rear door speaker LH
D204 B/2 : Rear power window motor LH D208 BR/2 : Rear door tweeter LH
PG-66
HARNESS
Revision: September 2006 2007 Xterra
REAR DOOR RH HARNESS
WKIA3988E
D301 W/12 : To B106 D305 W/2 : Rear door lock actuator RH
D303 W/8 : Rear power window switch RH D307 W/2 : Rear door speaker RH
D304 B/2 : Rear power window motor RH D308 BR/2 : Rear door tweeter RH
HARNESS
PG-67
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
BACK DOOR HARNESS
WKIA3990E
PG-68
HARNESS
Revision: September 2006 2007 Xterra
Back door No. 2 harness Rear window sub-harness
E2 D402 W/6 : To B48 B5 D505 BR/3 : Back door key cylinder switch
C1 D403 W/2 : High mounted stop lamp C5 D508 W/4 : Back door lock actuator
D2 D405 W/8 : To D501 B3 D509 W/4 : Rear wiper motor
E1 D406 — : Body ground A3 D603 — : Body ground (defogger)
D2 D409 W/2 : To D650 A2 D604 B/1 : Rear window defogger
E2 D410 W/2 : To B50 Rear window defogger sub-harness
Back door harness D2 D650 W/2 : To D409
C2 D501 W/8 : To D405 D2 D651 B/1 : Rear window defogger
C5 D502 W/3 : Back door switch E2 D652 — : Body ground
HARNESS
PG-69
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
Wiring Diagram Codes (Cell Codes) EKS00DNV
Use the chart below to find out what each wiring diagram code stands for.
Refer to the wiring diagram code in the alphabetical index to find the location (page number) of each wiring
diagram.
Code Section Wiring Diagram Name
A/C,M MTC Manual Air Conditioner
AF1B1 EC Air Fuel Ratio (A/F) Sensor 1 Bank 1
AF1B2 EC Air Fuel Ratio (A/F) Sensor 1 Bank 2
AF1HB1 EC Air Fuel Ratio (A/F) Sensor 1 Heater Bank 1
AF1HB2 EC Air Fuel Ratio (A/F) Sensor 1 Heater Bank 2
APPS1 EC Accelerator Pedal Position Sensor
APPS2 EC Accelerator Pedal Position Sensor
APPS3 EC Accelerator Pedal Position Sensor
ASC/BS EC ASCD Brake Switch
ASC/SW EC ASCD Steering Switch
ASCBOF EC ASCD Brake Switch
ASCIND EC ASCD Indicator
AT/IND DI A/T Indicator Lamp
AUDIO AV Audio
B/COMP DI Combination Meter Board Computer
BACK/L LT Back-up Lamp
BRK/SW EC Brake Switch
CAN AT CAN Communication Line
CAN EC CAN Communication Line
CAN LAN CAN System
CHARGE SC Charging System
CHIME DI Warning Chime
COOL/F EC Cooling Fan Control
COMBSW LT Combination Switch
CUR/SE EC Battery Current Sensor
D/LOCK BL Power Door Lock
DEF GW Rear Window Defogger
DIFLOC RFD Electronic Locking Differential
DTRL LT Headlamp - With Daytime Light System
ECM/PW EC ECM Power Supply for Back-Up
ECTS EC Engine Coolant Temperature Sensor
ETC1 EC Electric Throttle Control Function
ETC2 EC Throttle Control Motor Relay
ETC3 EC Throttle Control Motor
F/FOG LT Front Fog Lamp
F/PUMP EC Fuel Pump
FTS AT A/T Fluid Temperature Sensor
FTTS EC Fuel Tank Temperature Sensor
FUELB1 EC Fuel Injection System Bank 1
FUELB2 EC Fuel Injection System Bank 2
H/LAMP LT Headlamp
HORN WW Horn
IATS EC Intake Air Temperature Sensor
IGNSYS EC Ignition System
ILL LT Illumination
INJECT EC Injectors
INT/L LT Room/Map, Vanity, Cargo, and Personal Lamps
PG-70
HARNESS
Revision: September 2006 2007 Xterra
IVCB1 EC Intake Valve Timing Control Solenoid Valve Bank 1
IVCB2 EC Intake Valve Timing Control Solenoid Valve Bank 2
KEYLES BL Remote Keyless Entry System
KS EC Knock Sensor
MAFS EC Mass Air Flow Sensor
MAIN AT Main Power Supply and Ground Circuit
MAIN EC Main Power Supply and Ground Circuit
METER DI Speedometer, Tachometer, Temp. and Fuel Gauges
MIL/DL EC Malfunction Indicator Lamp
MIRROR GW Door Mirror
NATS BL Nissan Anti-Theft System
NONDTC AT Non-Detective Items
O2H2B1 EC Rear Heated Oxygen Sensor 2 Heater Bank 1
O2H2B2 EC Rear Heated Oxygen Sensor 2 Heater Bank 2
O2S2B1 EC Heated Oxygen Sensor 2 Bank 1
O2S2B2 EC Heated Oxygen Sensor 2 Bank 2
P/SCKT WW Power Socket
PGC/V EC EVAP Canister Purge Volume Control Solenoid Valve
PHSB1 EC Camshaft Position Sensor (PHASE) (Bank 1)
PHSB2 EC Camshaft Position Sensor (PHASE) (Bank 1)
PNP/SW AT Park/Neutral Position Switch
PNP/SW EC Park/Neutral Position Switch
POS EC Crankshaft Position Sensor (POS)
POWER PG Power Supply Routing
PRE/SE EC EVAP Control System Pressure Sensor
PS/SEN EC Power Steering Pressure Sensor
RP/SEN EC Refrigerant Pressure Sensor
SEN/PW EC Sensor Power Supply
SHIFT AT A/T Shift Lock System
SRS SRS Supplemental Restraint System
STSIG AT Start Signal Circuit
START SC Starting System
STOP/L LT Stop Lamp
T/TOW LT Trailer Tow
T/WARN WT Low Tire Pressure Warning System
TAIL/L LT Parking, License and Tail Lamps
T/F TF Transfer Case
TPS1 EC Throttle Position Sensor
TPS2 EC Throttle Position Sensor
TPS3 EC Throttle Position Sensor
TURN LT Turn Signal and Hazard Warning Lamps
VDC BRC Vehicle Dynamic Control System
VEHSEC BL Vehicle security (theft warning) system
VENT/V EC EVAP Canister Vent Control Valve
VIAS EC Variable Air Induction Control System
VIAS/V EC Variable Air Induction Control System Valve
VSSA/T AT Vehicle Speed Sensor A/T (Revolution Sensor)
WARN DI Warning Lamps
WINDOW GW Power Window
WIP/R WW Rear Wiper and Washer
WIPER WW Front Wiper and Washer
ELECTRICAL UNITS LOCATION
PG-71
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
ELECTRICAL UNITS LOCATION PFP:25230
Electrical Units Location EKS00DNW
ENGINE COMPARTMENT
WKIA3974E
PG-72
ELECTRICAL UNITS LOCATION
Revision: September 2006 2007 Xterra
PASSENGER COMPARTMENT
WKIA5071E
ELECTRICAL UNITS LOCATION
PG-73
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
WKIA5072E
PG-74
HARNESS CONNECTOR
Revision: September 2006 2007 Xterra
HARNESS CONNECTOR PFP:B4341
Description EKS00DO0
HARNESS CONNECTOR (TAB-LOCKING TYPE)
●The tab-locking type connectors help prevent accidental looseness or disconnection.
●The tab-locking type connectors are disconnected by pushing or lifting the locking tab(s). Refer to the
illustration below.
Refer to the next page for description of the slide-locking type connector.
CAUTION:
Do not pull the harness or wires when disconnecting the connector.
[Example]
SEL769DA
HARNESS CONNECTOR
PG-75
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
HARNESS CONNECTOR (SLIDE-LOCKING TYPE)
●A new style slide-locking type connector is used on certain systems and components, especially those
related to OBD.
●The slide-locking type connectors help prevent incomplete locking and accidental looseness or discon-
nection.
●The slide-locking type connectors are disconnected by pushing or pulling the slider. Refer to the illustra-
tion below.
CAUTION:
●Do not pull the harness or wires when disconnecting the connector.
●Be careful not to damage the connector support bracket when disconnecting the connector.
[Example]
AEL299C
PG-76
HARNESS CONNECTOR
Revision: September 2006 2007 Xterra
HARNESS CONNECTOR (LEVER LOCKING TYPE)
●Lever locking type harness connectors are used on certain control units and control modules such as
ECM, ABS actuator and electric unit (control unit), etc.
●Lever locking type harness connectors are also used on super multiple junction (SMJ) connectors.
●Always confirm the lever is fully locked in place by moving the lever as far as it will go to ensure full con-
nection.
CAUTION:
Always confirm the lever is fully released (loosened) before attempting to disconnect or connect these
connectors to avoid damage to the connector housing or terminals.
LKIA0670E
1. Control unit with single lever
A. Fasten
B. Loosen
C. Lever
2. Control unit with dual levers
A. Levers
B. Fasten
C. Loosen
3. SMJ connector
A. Lever
B. Fasten
C. Loosen
HARNESS CONNECTOR
PG-77
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
HARNESS CONNECTOR (DIRECT-CONNECT SRS COMPONENT TYPE)
●SRS direct-connect type harness connectors are used on certain SRS components such as air bag mod-
ules and seat belt pre-tensioners.
●Always pull up to release black locking tab prior to removing connector from SRS component.
●Always push down to lock black locking tab after installing connector to SRS component. When locked,
the black locking tab is level with the connector housing.
CAUTION:
●Do not pull the harness or wires when removing connectors
from SRS components.
WHIA0103E
PG-78
ELECTRICAL UNITS
Revision: September 2006 2007 Xterra
ELECTRICAL UNITS PFP:23710
Terminal Arrangement EKS00DO1
WKIA4003E
STANDARDIZED RELAY
PG-79
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
STANDARDIZED RELAY PFP:25230
Description EKS00DO2
NORMAL OPEN, NORMAL CLOSED AND MIXED TYPE RELAYS
Relays can mainly be divided into three types: normal open, normal closed and mixed type relays.
TYPE OF STANDARDIZED RELAYS
SEL881H
SEL882H
1M 1 Make 2M 2 Make
1T 1 Transfer 1M·1B 1 Make 1 Break
PG-80
STANDARDIZED RELAY
Revision: September 2006 2007 Xterra
WKIA0253E
SUPER MULTIPLE JUNCTION (SMJ)
PG-81
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
SUPER MULTIPLE JUNCTION (SMJ) PFP:84341
Terminal Arrangement EKS00DO3
WKIA3590E
PG-82
SUPER MULTIPLE JUNCTION (SMJ)
Revision: September 2006 2007 Xterra
WKIA3972E
FUSE BLOCK-JUNCTION BOX (J/B)
PG-83
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
FUSE BLOCK-JUNCTION BOX (J/B) PFP:24350
Terminal Arrangement EKS00DO4
WKIA5073E
PG-84
FUSE AND FUSIBLE LINK BOX
Revision: September 2006 2007 Xterra
FUSE AND FUSIBLE LINK BOX PFP:24381
Terminal Arrangement EKS00DO5
WKIA5074E
FUSE AND RELAY BOX
PG-85
C
D
E
F
G
H
I
J
L
M
A
B
PG
Revision: September 2006 2007 Xterra
FUSE AND RELAY BOX PFP:24012
Terminal Arrangement EKS00DO6
WKIA5895E
PG-86
FUSE AND RELAY BOX
Revision: September 2006 2007 Xterra

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