Nissan 2004 X Trail Owners Manual MTC

2015-10-23

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MANUAL AIR CONDITIONER

J AIR CONDITIONER
A

SECTION

MANUAL AIR CONDITIONER

B

C

D

CONTENTS
PRECAUTIONS .......................................................... 2
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TENSIONER” .................................................................. 2
Wiring Diagrams and Trouble Diagnosis .................. 2
TROUBLE DIAGNOSIS .............................................. 3
How to Perform Trouble Diagnoses for Quick and
Accurate Repair ....................................................... 3
WORK FLOW ........................................................ 3
SYMPTOM TABLE ................................................ 3
Component Parts and Harness Connector Location..... 4
PASSENGER COMPARTMENT ........................... 4
Discharge Air Flow ................................................... 5
Wiring Diagram —HEATER— .................................. 6
Operational Check ................................................... 7
CHECKING BLOWER ........................................... 7
CHECKING DISCHARGE AIR .............................. 7
CHECKING RECIRCULATION ............................. 7
CHECKING TEMPERATURE DECREASE .......... 8
CHECKING TEMPERATURE INCREASE ............ 8
Mode Door ............................................................... 9
INSPECTION FLOW ............................................. 9
Air Mix Door ........................................................... 10
INSPECTION FLOW ........................................... 10
Intake Door Motor Circuit ........................................11
INSPECTION FLOW ............................................11
COMPONENT DESCRIPTION ............................11
DIAGNOSTIC PROCEDURE FOR INTAKE
DOOR MOTOR ................................................... 12
Blower Motor Circuit ............................................... 15
INSPECTION FLOW ........................................... 15
DIAGNOSTIC PROCEDURE FOR BLOWER
MOTOR ............................................................... 16
COMPONENT INSPECTION .............................. 18
Insufficient Heating ................................................. 19
INSPECTION FLOW ........................................... 19
CONTROLLER ......................................................... 21
Removal and Installation ........................................ 21
REMOVAL ........................................................... 21

INSTALLATION ................................................... 21
Disassembly and Assembly .................................... 21
BLOWER UNIT ......................................................... 22
Removal and Installation ........................................ 22
REMOVAL ........................................................... 22
INSTALLATION ................................................... 22
Disassembly and Assembly .................................... 23
BLOWER MOTOR .................................................... 24
Removal and Installation ........................................ 24
REMOVAL ........................................................... 24
INSTALLATION ................................................... 24
BLOWER FAN RESISTOR ....................................... 25
Removal and Installation ........................................ 25
REMOVAL ........................................................... 25
INSTALLATION ................................................... 25
INTAKE DOOR MOTOR ........................................... 26
Removal and Installation ........................................ 26
REMOVAL ........................................................... 26
INSTALLATION ................................................... 26
HEATER UNIT ........................................................... 27
Removal and Installation ........................................ 27
REMOVAL ........................................................... 27
INSTALLATION ................................................... 28
Disassembly and Assembly .................................... 29
HEATER CORE ......................................................... 30
Removal and Installation ........................................ 30
REMOVAL ........................................................... 30
INSTALLATION ................................................... 30
MODE DOOR ............................................................ 31
Control Linkage Adjustment ................................... 31
MODE DOOR CONTROL CABLE ....................... 31
AIR MIX DOOR ......................................................... 32
Control Linkage Adjustment ................................... 32
AIR MIX DOOR CONTROL CABLE .................... 32
DUCTS AND GRILLES ............................................. 33
Removal and Installation ........................................ 33
REMOVAL ........................................................... 33
INSTALLATION ................................................... 36

MTC-1

E

F

G

H

I

MTC

K

L

M

PRECAUTIONS
PRECAUTIONS
PFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”

EJS004L7

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. Information necessary to service the system safely is included in the SRS and SB section of
this Service Manual.
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 performed by an authorized NISSAN/INFINITI dealer.
●
Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal 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.

Wiring Diagrams and Trouble Diagnosis
When you read wiring diagrams, refer to the following:
●
GI-14, "How to Read Wiring Diagrams" in GI section.
●
PG-3, "Wiring Diagram - POWER -" in PG section.
When you perform trouble diagnosis, refer to the following:
●
GI-10, "How to Follow Trouble Diagnoses" in GI section.
●
GI-23, "How to Perform Efficient Diagnosis for an Electrical Incident" in GI section.

MTC-2

EJS000WA

TROUBLE DIAGNOSIS
TROUBLE DIAGNOSIS
How to Perform Trouble Diagnoses for Quick and Accurate Repair

PFP:00004

A
EJS001FB

WORK FLOW
B

C

D

SHA900E

*1

E

MTC-7, "Operational Check".

SYMPTOM TABLE
F

Symptom

Reference Page

Air outlet does not change.

Go to Trouble Diagnosis Procedure for Mode Door.

Discharge air temperature does not change.

Go to Trouble Diagnosis Procedure Air Mix Door.

MTC-10, "Air Mix
Door"

Go to Trouble Diagnosis Procedure for Intake Door Motor Circuit.

MTC-11, "Intake
Door Motor Circuit"

Blower motor operation is malfunctioning.

Go to Trouble Diagnosis Procedure for Blower Motor Circuit.

MTC-15, "Blower
Motor Circuit"

Insufficient heating

Go to Trouble Diagnosis Procedure for Insufficient Heating.

MTC-19, "Insufficient Heating"

Intake door does not change.
Intake door motor does not operate normally.

MTC-9, "Mode
Door"

G

H

I

MTC

K

L

M

MTC-3

TROUBLE DIAGNOSIS
Component Parts and Harness Connector Location

EJS001FC

PASSENGER COMPARTMENT

RJIA2845E

MTC-4

TROUBLE DIAGNOSIS
Discharge Air Flow

EJS001HF

A

B

C

D

E

F

G

H

I

MTC

K

L

M

SJIA0441E

MTC-5

TROUBLE DIAGNOSIS
Wiring Diagram —HEATER—

EJS001FD

TJWA0076E

MTC-6

TROUBLE DIAGNOSIS
Operational Check

EJS001FE

A

The purpose of the operational check is to confirm that the system operates properly.
Conditions

:Engine running at usual operating temperature
B

CHECKING BLOWER
1.

Turn fan switch to 1st-speed. Blower should operate on low
speed.
2. Then turn fan switch to 2nd-speed, and continue checking
blower speed until all speeds are checked.
3. Leave blower on Max. speed.
If NG, go to trouble diagnosis procedure for MTC-15, "Blower Motor
Circuit" .
If OK, continue with the check.

C

D

E
RJIA0587E

CHECKING DISCHARGE AIR
1.

F

Turn mode control dial to each position.

G

H

I
RJIA0588E

2.

Confirm that discharge air comes out according to the air distribution table. Refer to MTC-5, "Discharge Air Flow" .
If NG, go to trouble diagnosis procedure for MTC-9, "Mode Door" .
If OK, continue the check.

MTC

K

L

RJIA0492E

CHECKING RECIRCULATION
1.
2.

Press REC switch. Recirculation indicator should eliminate.
Press REC switch again. Recirculation indicator should not illuminate.
3. Listen for intake door position change (you should hear blower
sound change slightly).
If NG, go to trouble diagnosis procedure for MTC-11, "Intake Door
Motor Circuit" .
If OK, continue the check.
RJIA0589E

MTC-7

M

TROUBLE DIAGNOSIS
CHECKING TEMPERATURE DECREASE
1. Turn temperature control dial to full cold position.
2. Check for cold air at discharge air outlets.
If NG, go to trouble diagnosis procedure for MTC-10, "Air Mix Door"
If OK, continue the check.

RJIA0590E

CHECKING TEMPERATURE INCREASE
1. Turn temperature control dial to full hot position.
2. Check for hot air at discharge air outlets.
If NG, go to trouble diagnosis procedure for MTC-19, "Insufficient
Heating" .
If all operational check are OK (symptom cannot be duplicated), go
to Incident Simulation Tests in GI-23, "How to Perform Efficient Diagnosis for an Electrical Incident" and perform tests as outlined to simulate driving conditions environment. If symptom appears, refer to
MTC-3, "SYMPTOM TABLE" and perform applicable trouble diagnosis procedures.
RJIA0591E

MTC-8

TROUBLE DIAGNOSIS
Mode Door

EJS001FF

A

SYMPTOM: Air outlet does not change.

INSPECTION FLOW
B

C

D

E

F

G

H

I

MTC

K

L

M

RJIA0592E

*1

MTC-5, "Discharge Air Flow".

*4

MTC-3, "SYMPTOM TABLE".

*2

MTC-7, "Operational Check".

MTC-9

*3

MTC-31, "MODE DOOR".

TROUBLE DIAGNOSIS
Air Mix Door

EJS001FG

SYMPTOM: Air mix door does not change.

INSPECTION FLOW

RJIA0593E

*1

MTC-32, "AIR MIX DOOR".

*2

MTC-3, "SYMPTOM TABLE".

MTC-10

*3

MTC-7, "Operational Check".

TROUBLE DIAGNOSIS
Intake Door Motor Circuit

EJS004HC

A

SYMPTOM:
●
Intake door does not change.
●
Intake door motor does not operate normally.

B

INSPECTION FLOW
C

D

E

F

G

H

I

MTC
RJIA0594E

*1

MTC-11, "Intake Door Motor Circuit". *2

MTC-7, "Operational Check".

*3

K

MTC-3, "SYMPTOM TABLE".

COMPONENT DESCRIPTION
Intake Door Motor

L

The intake door motor is attached to the intake unit. It rotates so that
air is drawn from inlets set by the heater control panel. Motor rotation
is conveyed to a lever which activates the intake door.

M

RJIA0519E

MTC-11

TROUBLE DIAGNOSIS
DIAGNOSTIC PROCEDURE FOR INTAKE DOOR MOTOR
SYMPTOM: Intake door does not operate normally.

RJIA2846E

1. CHECK POWER SUPPLY FOR HEATER CONTROL PANEL
1.
2.
3.

Disconnect heater control panel connector.
Turn ignition switch ON.
Check voltage between heater control panel harness connector
M55 terminal 1 (BR/Y) and ground.
1 – Ground

: Battery voltage

OK or NG
OK
>> GO TO 2.
NG
>> Check power supply circuit and 10 A fuse [No. 15,
located in the fuse block (J/B)]. Refer to PG-75, "FUSE
BLOCK - JUNCTION BOX (J/B)" .
● If OK, check harness for open circuit. Repair or replace if necessary.
● If NG, replace fuse and check harness for short circuit. Repair or replace if necessary.

RJIA2923E

2. CHECK GROUND CIRCUIT FOR HEATER CONTROL PANEL
1.
2.

Turn ignition switch OFF.
Check continuity between heater control panel harness connector M55 terminal 5 (B) and ground.
5 – Ground

: Continuity should exist.

OK or NG
OK
>> GO TO 3.
NG
>> Repair harness or connector.
RJIA2924E

3. CHECK RECIRCULATION SWITCH CIRCUIT
1.
2.

Press REC (recirculation) switch.
Check continuity between heater control panel harness connector M55 terminal 1 (BR/Y) and 5 (B).
1 (−) – 5 (+)

: Continuity should exist.

OK or NG
OK
>> GO TO 4.
NG
>> Replace heater control panel.
RJIA2925E

MTC-12

TROUBLE DIAGNOSIS

4. CHECK POWER SUPPLY FOR INTAKE DOOR MOTOR
1.
2.
3.

A

Reconnect heater control panel connector.
Turn ignition switch ON.
Check voltage between intake door motor harness connector M48 terminal 1 (Y/R: RHD models, R/W:
LHD models) and 2 (R/W: RHD models, L/R: LHD models).

B

C

D

E
RJIA2847E

F
Terminals
(+)

Model
Intake door motor
connector
RHD
models

M48

LHD
models

M48

(-)
Terminal No.
(wire color)
2 (R/W)

Intake door motor
connector
M48

1 (Y/R)
1 (R/W)

M48

2 (Y/R)

OK or NG
OK
>> Replace intake door motor.
NG
>> GO TO 5.

Condition

Voltage

G

Approx. 12V

H

Terminal No.
(wire color)
1 (Y/R)

REC SW: ON

2 (R/W)

REC SW: OFF

2 (Y/R)

REC SW: ON

1 (R/W)

REC SW: OFF

Approx. 12V

I

MTC

K

L

M

MTC-13

TROUBLE DIAGNOSIS

5. CHECK CIRCUIT CONTINUITY BETWEEN HEATER CONTROL PANEL AND INTAKE DOOR MOTOR
1.
2.
3.
4.

Turn ignition switch OFF.
Disconnect heater control panel connector and intake door motor connector.
Check continuity between heater control panel harness connector M55 terminal 10 (R/W) and intake door
motor harness connector M48 terminal 2 (R/W: RHD models) or 1 (R/W: LHD models).
Check continuity between heater control panel harness connector M55 terminal 11 (Y/R) and intake door
motor harness connector M48 terminal 1 (Y/R: RHD models) or 2 (Y/R: LHD models).

RJIA3145E

Terminals
Heater control panel connector

Intake door motor connector

Connector

Terminal No.
(wire color)

Connector

M55

10 (R/W)

M48

Continuity

Terminal No.
(wire color)
2 (R/W): RHD models
1 (R/W): LHD models
1 (Y/R): RHD models

M55

11 (Y/R)

M48

2 (Y/R): LHD models

OK or NG
OK
>> Replace heater control panel.
NG
>> Repair harness or connector.

MTC-14

Yes

TROUBLE DIAGNOSIS
Blower Motor Circuit

EJS001FI

A

SYMPTOM: Blower motor operation is malfunctioning.

INSPECTION FLOW
B

C

D

E

F

G

H

I

RJIA0601E

*1

MTC-16, "DIAGNOSTIC PROCEDURE FOR BLOWER MOTOR".

*4

MTC-7, "Operational Check".

*2

MTC-7, "Operational Check".

*3

MTC

MTC-3, "SYMPTOM TABLE".

K

L

M

MTC-15

TROUBLE DIAGNOSIS
DIAGNOSTIC PROCEDURE FOR BLOWER MOTOR
SYMPTOM: Blower motor operation is malfunctioning.

RJIA0602E

1. CHECK POWER SUPPLY FOR BLOWER MOTOR
1.
2.
3.

Disconnect blower motor connector.
Turn ignition switch ON.
Check voltage between blower motor harness connector M65
terminal 1 (L/W) and ground.
1 – Ground

: Battery voltage

OK or NG
OK
>> GO TO 2.
NG
>> Check power supply circuit and 15A fuses [Nos. 19 and
24, located in the fuse block (J/B)]. Refer to PG-75,
"FUSE BLOCK - JUNCTION BOX (J/B)" .
● If OK, check harness for open circuit. Repair or replace if necessary.
● If NG, replace fuse and check harness for short circuit. Repair or replace if necessary.

RJIA2929E

2. CHECK GROUND CIRCUIT FOR BLOWER MOTOR
1.
2.
3.

Turn ignition switch OFF.
Turn fan switch to 1-speed.
Check continuity between blower motor harness connector M65
terminal 2 (L/B) and ground.
2 – Ground

: Continuity should exist.

OK or NG
OK
>> GO TO 3.
NG
>> GO TO 4.
RJIA2930E

3. CHECK BLOWER MOTOR
Refer to MTC-18, "Blower Motor" .
OK or NG
OK
>> INSPECTION END
NG
>> Replace blower motor.

MTC-16

TROUBLE DIAGNOSIS

4. CHECK CIRCUIT CONTINUITY BETWEEN BLOWER MOTOR AND FAN RESISTOR
1.
2.

A

Disconnect fan resistor connector.
Check continuity between fan resistor harness connector M66
terminal 1 (L/B) and blower motor harness connector M65 terminal 2 (L/B).
1–2

B

: Continuity should exist.

C

OK or NG
OK
>> GO TO 5.
NG
>> Repair harness or connector.

D
RJIA2931E

5. CHECK FAN RESISTOR

E

Refer to MTC-18, "Fan Resistor" .
OK or NG
OK
>> GO TO 6.
NG
>> Replace fan resistor.

F

6. CHECK CIRCUIT CONTINUITY BETWEEN FAN RESISTOR AND HEATER CONTROL PANEL

G

1.
2.

H

Disconnect heater control panel connector.
Check continuity between fan resistor harness connector M66
terminal 2 (L/R), 3 (L/Y) or 4 (L/W) and heater control panel harness connector M54 terminal 14 (L/W), 15 (L/Y) or 16 (L/R).
2 – 16
3 – 15
4 – 14

I

: Continuity should exist.
: Continuity should exist.
: Continuity should exist.

OK or NG
OK
>> GO TO 7.
NG
>> Repair harness or connector.

MTC
RJIA2932E

K

7. CHECK CIRCUIT CONTINUITY BETWEEN BLOWER MOTOR AND HEATER CONTROL PANEL
L

Check continuity between blower motor harness connector M65 terminal 2 (L/B) and heater control panel harness connector M54 terminal 17 (L/B).
2 – 17

M

: Continuity should exist.

OK or NG
OK
>> GO TO 8.
NG
>> Repair harness or connector.

RJIA2933E

8. CHECK FAN SWITCH
Refer to MTC-18, "Fan Switch" .
OK or NG
OK
>> GO TO 9.
NG
>> Replace fan switch.

MTC-17

TROUBLE DIAGNOSIS

9. CHECK GROUND CIRCUIT
Check continuity between heater control panel harness connector
M54 terminal 13 (B) and ground.
13 – Ground

: Continuity should exist.

OK or NG
OK
>> INSPECTION END
NG
>> Repair harness or connector.

RJIA2934E

COMPONENT INSPECTION
Blower Motor
Confirm smooth rotation of the blower motor.
●
Ensure that there are no foreign particles inside the intake unit.

RJIA0609E

Fan Switch
Check continuity between heater control connector M54 terminals at
each switch position.
Switch position

Terminals

Continuity

OFF

13 - 14, 15, 16, 17

No

1

13 - 14

2

13 - 15

3

13 - 16

4

13 - 17

Yes

RJIA0610E

Fan Resistor
Check resistance between fan resister connector M66 terminals.
Resistance (Ω)

Terminals

1

LHD

RHD

2

0.25 - 0.31

0.28 - 0.34

3

0.58 - 0.70

0.79 - 0.97

4

1.33 - 1.63

1.84 - 2.24

RJIA0611E

MTC-18

TROUBLE DIAGNOSIS
Insufficient Heating

EJS001FJ

A

SYMPTOM: Insufficient heating

INSPECTION FLOW
B

C

D

E

F

G

H

I

MTC

K

L

M

SJIA0482E

MTC-19

TROUBLE DIAGNOSIS
*1

QR engine; CO-9, "Changing Engine *2
Coolant" or YD engine; CO-31,
"Changing Engine Coolant" .

QR engine; CO-13, "Checking Radiator Cap" or YD engine; CO-35,
"Checking Radiator Cap" .

*3

QR engine; (WITH EURO-OBD) EC162, "DTC P0117, P0118 ECT SENSOR" .
QR engine; (WITHOUT EURO-OBD)
EC-597, "DTC P0117, P0118 ECT
SENSOR" .
YD engine; (WITH EURO-OBD) EC981, "DTC P0117, P0118 ECT SENSOR" .
YD engine; (WITHOUT EURO-OBD)
EC-1291, "DTC P0117, P0118 ECT
SENSOR" .

*4

QR engine; CO-9, "Changing Engine *5
Coolant" or YD engine; CO-31,
"Changing Engine Coolant" .

MTC-7, "Operational Check" .

*6

MTC-3, "SYMPTOM TABLE".

MTC-20

CONTROLLER
CONTROLLER
Removal and Installation

PFP:27500

A
EJS004HA

REMOVAL
1.
2.
3.
4.

Remove mode control cable and air mix control cable from heater unit. Refer to MTC-31, "MODE DOOR"
and MTC-32, "AIR MIX DOOR" .
Remove cluster lid C. Refer to IP-11, "Removal and Installation" .
Remove mounting screws from heater control panel.
Remove heater control panel, and then remove heater control
panel connector.

B

C

D

E

RJIA0089E

F

INSTALLATION
Installation is basically the reverse order of removal.
G

Disassembly and Assembly

EJS004HB

H

I

MTC

K

L

M
RJIA3153E

1.

Mode door cable

2.

Clamp

3.

Case assembly

4.

Heater panel

5.

Finisher

6.

Dial

7.

Air mix door cable

8.

Fan switch

9.

Bulb

MTC-21

BLOWER UNIT
BLOWER UNIT
Removal and Installation

PFP:27200
EJS004YB

REMOVAL
1.
2.
3.
4.
5.
6.
7.
8.

Remove glove box assembly.
Remove glove box cover, instrument passenger lower panel and instrument reinforcement. Refer to IP-11,
"Removal and Installation" .
Remove ECM with ECM bracket attached.
Remove instrument panel mounting screw.
Remove blower unit mounting bolt and screw.
Disconnect blower motor connector and fan resistor connector.
Disconnect intake door motor connector and harness clips.
Remove blower unit.
CAUTION:
Slide the blower unit toward the right, remove location pins
(2 pieces), then move it downward.
RJIA3161E

INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
●
Make sure location pins (2 pieces) are securely installed.

MTC-22

BLOWER UNIT
Disassembly and Assembly

EJS004YC

A

B

C

D

E

F

G

H

I
SJIA0483E

1.

Upper case 2

2.

Filter cover

3.

Fan resistor

4.

Screw

5.

Blower fan motor assembly

6.

Washer

7.

Cooling hose

8.

Intake door motor

9.

Motor bracket

10. Intake door link

11. Intake door lever 2

13. Intake door 2

14. Intake door 1

15. Nut

16. Blower fan

17. Bell mouth

18. Intake door lever 1

MTC

12. Upper case 1

K

NOTE:
This illustration is for LHD models. The layout for RHD models is symmetrically opposite.
CAUTION:
If retaining tabs are damaged while disassembling blower unit,
use 9 screws (27111-2Y000) to assemble blower unit.

L

M

RJIA3155E

MTC-23

BLOWER MOTOR
BLOWER MOTOR
Removal and Installation

PFP:27226
EJS004HD

REMOVAL
1.
2.

Remove blower unit. Refer to ATC-125, "BLOWER UNIT" .
Separate blower unit.

RJIA0054E

3.

Remove cooling hose, fan resistor and blower fan.

RJIA0092E

INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
If retaining tabs are damaged while disassembling blower unit,
use 9 screws (27111-2Y000) to assemble blower unit.

RJIA0097E

MTC-24

BLOWER FAN RESISTOR
BLOWER FAN RESISTOR
Removal and Installation

PFP:27150

A
EJS004HE

REMOVAL
1.
2.

Remove glove box cover. Refer to IP-11, "Removal and Installation" .
Remove mounting screws, and then remove fan resistor.
CAUTION:
Do not repair the thermal fuse of the fan resistor.

B

C

D

E
RJIA0093E

INSTALLATION
Installation is basically the reverse order of removal.

F

G

H

I

MTC

K

L

M

MTC-25

INTAKE DOOR MOTOR
INTAKE DOOR MOTOR
Removal and Installation

PFP:27730
EJS004HG

REMOVAL
1.
2.

Remove blower unit. Refer to ATC-125, "BLOWER UNIT" .
Remove mounting screws, and then remove intake door motor
from blower unit.

RJIA0056E

RJIA0571E

INSTALLATION
Installation is basically the reverse order of removal.

MTC-26

HEATER UNIT
HEATER UNIT
Removal and Installation

PFP:27100

A
EJS001F9

REMOVAL
1.
2.
3.
4.
5.

Drain coolant from cooling system. Refer to CO-9, "Changing Engine Coolant" for QR engine or CO-31,
"Changing Engine Coolant" for YD engine.
Disconnect two heater hoses from heater core pipe.
Remove instrument panel. Refer to IP-11, "Removal and Installation" .
Remove blower unit. Refer to ATC-125, "BLOWER UNIT" .
Remove clips of vehicle harness from steering member.

B

C

D

E

F
RJIA0060E

G

6.

Remove mounting nuts, and then remove instrument stay.
H

I

MTC
RJIA0061E

7.

K

Remove mounting bolts from heater (& cooling) unit.

L

M

RJIA2444E

MTC-27

HEATER UNIT
8.

Remove steering member.

9.

NOTE:
This illustration is for RHD models. The layout for LHD models is symmetrically opposite.
Remove heater unit.

RJIA2404E

INSTALLATION
Installation is basically the reverse order of removal.
NOTE:
When filling radiator with coolant, refer to CO-9, "Changing Engine Coolant" for QR engine or CO-31, "Changing Engine Coolant" for YD engine.

MTC-28

HEATER UNIT
Disassembly and Assembly

EJS001FA

A

NOTE:
This illustration is for RHD models. The layout for LHD models is symmetrically opposite.

B

C

D

E

F

G

H

I

RJIA0613E

1.

Screw

2.

Air mix door link

3.

Air mix door gear

4.

Screw

5.

Cable bracket

6.

Screw

7.

Foot duct (right side)

8.

Screw

9.

Ventilator door link 2

10. Ventilator door link 2

11. Ventilator door lever

12. Main link

13. Max. cool door lever

14. Defroster door lever

15. Heater case (right side)

16. Defroster door

17. Ventilator door

18. Max. cool door

19. Heater case (left side)

20. Screw

21. Heater pipe support

22. Evaporator cover

23. Screw

24. Heater core

25. Heater core cover

26. Foot duct (left side)

27. Screw

MTC-29

MTC

K

L

M

HEATER CORE
HEATER CORE
Removal and Installation

PFP:27140
EJS004HF

REMOVAL
1.
2.
3.
4.

Remove heater (& cooling) unit. Refer to MTC-27, "HEATER UNIT" .
Remove heater pipe support.
Remove mounting screws, and then remove foot duct and
heater core cover.
Remove heater core from heater (& cooling) unit.

RJIA0069E

INSTALLATION
Installation is basically the reverse order of removal.

MTC-30

MODE DOOR
MODE DOOR
Control Linkage Adjustment

PFP:27181

A
EJS001DA

MODE DOOR CONTROL CABLE
1.
2.
3.

Turn the mode control dial to VENT position.
Move side link by hand and hold mode door in VENT position.
Pull on the cable cover in the direction of the arrow, and then
clamp it.
NOTE:
After positioning control cable, make sure it operates properly.

B

C

D

E
RJIA0095E

F

G

H

RJIA0614E

I

MTC

K

L

M

MTC-31

AIR MIX DOOR
AIR MIX DOOR
Control Linkage Adjustment

PFP:27180
EJS001DB

AIR MIX DOOR CONTROL CABLE
1.
2.

Turn the temperature control dial to full cold position.
Move air mix door lever by hand and hold it at the full cold position.
3. Pull on the cable cover in the direction of the arrow, and then
clamp it.
NOTE:
After positioning control cable, make sure it operates properly.

RJIA0085E

RJIA0615E

MTC-32

DUCTS AND GRILLES
DUCTS AND GRILLES
Removal and Installation

PFP:27860

A
EJS004HH

REMOVAL
B

C

D

E

F

G

H

I

RJIA2406J

1.

Side defroster duct (right)

2.

Defroster nozzle

3.

Side defroster duct (left)

4.

Side ventilator duct (left)

5.

Front speaker grille (left)

6.

Cup holder (left)

7.

Side ventilator grille (left)

8.

Multi-box (Instrument center lower
panel)

9.

Side ventilator grille (right)

10. Cup holder (right)

11. Front speaker grille (right)

12. Side ventilator duct (right)

13. Adaptor

14. Center ventilator grille (left)

15. Multi-box duct

16. Center ventilator grille (right)

17. Driver ventilator grille

18. Instrument panel

K

L

NOTE:
This illustration is for RHD models. The layout for LHD models is symmetrically opposite.

M

Removal of Center Ventilator Grille
1.
2.

Remove cluster lid C. Refer to IP-11, "Removal and Installation" .
Remove mounting clips, and then remove center ventilator grille.

RJIA2407E

MTC-33

MTC

DUCTS AND GRILLES
Removal of Side Ventilator Grille
1.
2.
3.

Remove instrument panel. Refer to IP-11, "Removal and Installation" .
Remove side ventilator ducts. Refer to MTC-34, "Removal of Defroster Nozzle, Duct and Side Ventilator
Duct" .
Remove mounting screws, and then remove side ventilator
grille.

RJIA2408E

Removal of Driver Ventilator Grille
1.
2.

Remove instrument finisher. Refer to IP-11, "Removal and Installation" .
Remove mounting screws, and then remove driver ventilator
grille.

RJIA2409E

Removal of Defroster Nozzle, Duct and Side Ventilator Duct
1.
2.

Remove instrument panel. Refer to IP-11, "Removal and Installation" .
Remove mounting screws, and then remove side defroster ducts with defroster nozzle.

RJIA2410E

3.

Remove mounting screws, and then remove side ventilator ducts.

MTC-34

DUCTS AND GRILLES
Removal of Adaptor
1.
2.
3.

A

Remove heater (& cooling) unit. Refer toMTC-27, "HEATER UNIT" .
Remove mounting screw and clip.
Slide adaptor toward vehicle front, and then remove adaptor.

B

C

D
RJIA2411E

Removal of Multi-box Duct
1.
2.
3.
4.

E

Remove instrument panel. Refer to IP-11, "Removal and Installation" .
Remove mounting screws, and then disconnect multi-box duct
from heater (& cooling) unit.
Remove mounting bolts, and then remove heater (& cooling)
unit bracket.
Remove multi-box duct from left side.

F

G

H
RJIA2412E

I

Removal of Foot Duct
1.
2.

Remove multi-box duct.
Remove mounting screws, and then remove foot duct.

MTC

K

L

RJIA0069E

MTC-35

M

DUCTS AND GRILLES
Removal of Floor Duct
1.
2.
3.
4.

Remove the front seats. Refer to SE-24, "FRONT SEAT" .
Remove multi-box (Instrument center lower panel). Refer to IP-11, "Removal and Installation" .
Peel back the floor trim to a point where the floor duct is visible.
Remove mounting bolts and clips, then remove rear floor duct.

RJIA0071E

5.

Remove mounting clips, and then remove front floor duct.

RJIA0070E

INSTALLATION
Installation is basically the reverse order of removal.

MTC-36



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