Bendix Bw2860 Users Manual
2015-03-12
: Bendix Bendix-Bw2860-Users-Manual-651493 bendix-bw2860-users-manual-651493 bendix pdf
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Bendix™ BlindSpotter® Collision Warning System Troubleshooting Guide Bendix™ BlindSpotter® Collision Warning System BW2860 (Formerly VOTS0032) September 2011 General Information General Warnings Before starting a vehicle: 1. Sit in the driver’s seat. 2. Place the vehicle in neutral. 3. Set the parking brake. 4. Disengage the clutch. Before working on the vehicle or leaving the cab with the engine running: 1. Place the vehicle in neutral. 2. Set the parking brake. 3. Block the wheels. Do not operate the vehicle if the alternator lamp is lit or if the gauges indicate low voltage. Suggested Tools Part No. Description 5505027 Volt/Ohm Meter (Standard commercially available VOM) For Bendix Service Parts call 1-800-AIR-BRAKE (1-800-247-2725). Related Publications Related documents are available for download on the Document Library or from the Literature Center on www.bendix.com. Table of Contents Table Tableof of Contents Contents Section 1: Introduction Diagnostic Procedure ................................................................ 1-2 Section 2: Fault Isolation Procedures Electrical Pretest ....................................................................... 2-1 Power-Up Sequence Test .......................................................... 2-4 Section 3: Symptom Isolation Procedures Operator Display Unit Audible Indictor (Buzzer) Not Functioning ..................................................... 3-1 Side Sensor Not Detecting Targets ........................................... 3-5 Side Sensor Continuously Detecting Targets ............................ 3-7 Appendix Wiring Diagrams .......................................................................A-1 1-1 Introduction Diagnostic Procedure Follow the flowchart below for all Bendix™ VORAD® system failures. Perform the tests and procedures as directed by the flowchart. Key On Is the Operator Display Unit lamp lit? NO • Perform Electrical Pretest (page 2-1) • Perform Power-up Sequence Test (page 2-5) YES Is Driver YES Experiencing System Problems? NO Test Complete. 1-2 • See System Isolation Procedures (page 3-1) Fault Isolation Procedures Electrical Pretest Overview Required Tools The pretest verifies the basic electrical inputs before testing individual circuits. Detection Fallback There is no fallback for the electrical pretest, however, it may affect other systems. Basic Hand Tools • Digital Volt/Ohm Meter • Troubleshooting Guide Possible Causes This pretest can be used for any of the following: • Corroded Power Contacts • Blown Fuse • Wiring Harness • Low Batteries Electrical Pretest There is no detection process specifically for the basic electrical supply. However, failures of this type are generally detected by the Bendix™ VORAD® system or the driver as some other type of fault code or symptom. • D P2 Operator Display Unit (ODU) SO Sensor Harness 2-1 Fault Isolation Procedures Electrical Pretest Step A Procedure Condition Action 1. Key off. 2. Inspect starter/battery connections for integrity. 3. Measure voltage across battery. If voltage is 11 to 13 volts on a 12 volt system or 22 to 26 on a 24 volt system If voltage is outside of range Go to Step B. Repair or replace batteries and charging system as required. Repeat this step. VOLT V Step B COM A Procedure Condition Action 1. Key off. 2. Disconnect negative (-) battery cable. 3. Disconnect the sensor J2 harness. 4. Measure resistance between sensor harness J2 pin 2 and ground. If resistance is 0 to .5 ohms Go to Step C. If resistance is outside of range Repair ground path to system. Go to Step A. OHMS 6 1 5 2 4 3 V COM A GROUND 2-2 Fault Isolation Procedures Electrical Pretest, continued Step C Procedure Condition Action 1. Key off. 2. Connect negative (-) battery cable. 3. Key on. If voltage is within .5 volts of battery voltage Test complete. If voltage is outside of range Repair power path to system. Fuse may be blown. Reconnect all connectors. Go to Step A. Electrical Pretest 4. Measure voltage between sensor harness J2 pin 1 and ground. OHMS 6 1 5 2 4 3 V COM A GROUND 2-3 Fault Isolation Procedures Power-Up Sequence Test Overview Required Tools The failure during the power-up self-check indicates a system failure. • Digital Volt/Ohm Meter Possible Causes Detection The power-up self-check is performed automatically each time the key is turned on. Turn the key on and watch the Operator Display Unit (ODU). If lights on the ODU remain on after 15 seconds, or never come on, the self-check has failed. • Sensor • Operator Display Unit • Vehicle Harness Fallback If self-check fails, the product can not perform any operations. D P2 Operator Display Unit (ODU) Harness 2-4 SO Sensor Fault Isolation Procedures Power-Up Sequence Test Step A Procedure Condition Action 1. Before performing this test, the Electrical Pretest must pass. 2. Clear area around sensor of objects. 3. Key on. 4. Observe the Operator Display Unit. Test complete. If lights fail to turn on Go to Step B. If lights turn on and stay on Go to Step D. Procedure Condition Power-Up Sequence Test Step B If both LED lights turn on for .5 seconds – followed by the red LED for 5 seconds – followed by a continuous yellow light Action 1. Key on. 2. Disconnect sensor harness J2. 3. Key on. 4. Measure voltage between sensor harness J2 pins 1 and 2. If voltage is between 10 and 14 volts Go to Step C. If voltage is outside of range Repair harness. Go to Step V. VOLT V 6 1 5 2 4 3 COM A 2-5 Fault Isolation Procedures Power-Up Sequence Test, continued Step C Procedure Condition Action 1. Key off. 2. Disconnect Operator Display Unit from harness J1. 3. Key on. 4. Measure voltage between sensor harness J2 pins 1 and 2. If voltage is between 10 and 14 volts Replace ODU. Go to Step V. If voltage is outside of range Replace sensor. Go to Step V. VOLT V ODU P1 2-6 4 1 3 2 COM A Fault Isolation Procedures Power-Up Sequence Test, continued Step D Procedure Condition Action 1. Key off. 2. Disconnect sensor harness J2. 3. Disconnect Operator Display Unit from harness J1. 4. Measure resistance between J1 pin 3 and J2 pin 3. If resistance is between 0 and 0.3 ohms Replace ODU. Go to Step E. If resistance is outside of range Replace sensor. Go to Step V. OHMS 1 3 2 ODU P1 V 6 1 5 2 4 3 COM Power-Up Sequence Test 4 A 2-7 Fault Isolation Procedures Power-Up Sequence Test, continued Step E Procedure Condition Action 1. Key off. 2. Disconnect Operator Display Unit from harness J1. 3. Key on. 4. Measure voltage between sensor harness J2 pins 1 and 2. If voltage is between 10 and 14 volts Replace ODU. Go to Step V. If voltage is outside of range Replace Sensor. Go to Step V. VOLT V 4 1 3 2 COM A ODU P1 Step V Procedure Condition Action 1. Key off. 2. Reconnect all connectors. 3. Key on. 4. Drive vehicle to determine if problem has been corrected. 2-8 If problem is corrected Test complete. If problem is not corrected Return to Step A to find error in testing. Symptom Isolation Procedures Operator Display Unit Audible Indictor (Buzzer) Not Functioning Overview This symptom-driven test is performed when the system fails to detect objects properly. Detection Required Tools • Digital Volt/Ohm Meter Possible Causes The symptom is observed by the driver when: 1) objects closer than ten (10) feet are detected, 2) when the turn signal is activated, and 3) when no audible sound is heard. This fault can be caused by any of the following: • Operator Display Unit • Vehicle Harness Fallback There is no fallback mode for this symptom. The system will not operate properly. D P2 Operator Display Unit (ODU) SO Sensor Operator Display Audio Test Harness 3-1 Symptom Isolation Procedures Operator Display Unit Audible Indictor (Buzzer) Not Functioning Step A Procedure Condition Action 1. Key off. 2. Active turn signal. 3. Place a target between 3 and 10 feet directly in front of the sensor. Note: If both LEDs are illuminated, go to the appropriate isolation procedure. Step B Procedure If the Operator Display Unit has red LED on and buzzer sounds Test complete. If the Operator Display Unit has red LED on only (no sound) Go to Step B. Condition Action 1. Key off. 2. Disconnect Operator Display Unit from harness J1. 3. Measure resistance between sensor harness J1 pin 4 and turn signal source. If resistance is between 0 and 0.3 ohms Go to Step C. If resistance is outside of range Repair wiring harness. Go to Step V. OHMS V COM A To Turn Signal Source ODU P1 3-2 4 1 3 2 Symptom Isolation Procedures Operator Display Unit Audible Indictor (Buzzer) Not Functioning, continued Step C Procedure Condition Action 1. Key off. 2. Disconnect Operator Display Unit from harness J1. 3. Measure resistance between display harness J1 pins 2 and 4. If resistance is between 0 and .5 ohms Go to Step D. If resistance is outside of range Repair wiring harness. Go to Step V. VOLT V 4 1 3 2 COM A ODU P1 Operator Display Audio Test 3-3 Symptom Isolation Procedures Operator Display Unit Audible Indictor (Buzzer) Not Functioning, continued Step D Procedure Condition Action 1. Key off. 2. Disconnect Operator Display Unit from harness J1. 3. Key on. 4. Activate turn signal. 5. Measure voltage between display harness J1 pins 2 and 4. If voltage is between 10 and 14 volts Replace display. Go to Step V. If voltage is outside of range Repair wiring harness. Go to Step V. VOLT V 4 1 3 2 COM A ODU P1 Step V Procedure Condition Action 1. Key off. 2. Reconnect all connectors. 3. Key on. 4. Drive vehicle to determine if problem has been corrected. 3-4 If problem is corrected Test complete. If problem is not corrected Return to Step A to find error in testing. Symptom Isolation Procedures Side Sensor Not Detecting Targets Overview This symptom driven test is performed when the system fails to detect objects properly. Detection Required Tools • The symptom is observed by the driver when objects at three (3) to ten (10) feet are not detected. The yellow light also continuously illuminates when the sensor has failed. Fallback There is no fallback mode for this symptom. The Sensor will not operate properly. None Possible Causes This fault code can be caused by any of the following: • Sensor • Operator Display Unit D P2 Operator Display Unit (ODU) SO Sensor Harness Side Sensor Detection Test 3-5 Symptom Isolation Procedures Side Sensor Not Detecting Targets Step A Procedure Condition Action 1. Clear area around sensor of objects. 2. Key on. 3. Allow Operator Display Unit to go through selftest and shows no targets (yellow LED light should be on). Step B Procedure If both LED lights turn on for .5 seconds – followed by red LED for 5 seconds – followed by a continuous yellow light Go to Step B. If only the yellow LED light turns on for .5 seconds, followed by a continuous yellow light Replace Operator Display Unit. If both LED lights turn on for .5 seconds, followed by continuous yellow and red lights Go to the “Power-Up Sequence Test” on page 2-4. Condition Action 1. Key on. 2. Place a target 3 to 10 feet directly in front of the Sensor. Step V Procedure If the Operator Display Unit indicates that a target is detected (red light on) Go to Step V. If the Operator Display Unit does not indicate a target is present (yellow light on) Replace sensor. Condition Action 1. Key off. 2. Reconnect all connectors. 3. Drive vehicle to determine if problem has been corrected. If complaint has been repaired If complaint has not been repaired 3-6 Test complete. Return to Step A to find error in testing. Symptom Isolation Procedures Side Sensor Continuous Detection Test Side Sensor Continuously Detecting Targets Overview This symptom driven test is performed when the system continuously detects objects. Detection Required Tools • None Possible Causes The symptom is observed by the driver when sensor continuously detects targets. Fallback This fault code can be caused by any of the following: • Sensor • Operator Display Unit There is no fallback mode for this symptom. The Sensor will not operate properly. D P2 Operator Display Unit (ODU) SO Sensor Harness 3-7 Symptom Isolation Procedures Side Sensor Continuously Detecting Targets Step A Procedure Condition Action 1. Clear area around sensor of objects. 2. Key on. 3. Allow Operator Display Unit to go through self-test and shows no targets (yellow LED light should be on). Step B Procedure If both LED lights turn on for .5 seconds – followed by a red LED for five (5) seconds – followed by a continuous yellow light Go to Step V. If both LED lights turn on for .5 seconds, followed by a continuous red light Go to Step B. If only red LED lights Replace Operator Display Unit. Condition Action 1. Key on. 2. Remove Sensor from mounting position. 3. Move Sensor out away from the vehicle and place in an open area. 4. Key on. 5. Allow Operator Display Unit to go through self-test and shows no targets (yellow LED light should be on). 3-8 If both LED lights turn on for .5 seconds – followed by a red LED for five (5) seconds – followed by a continuous yellow light Reposition sensor on vehicle to allow clear detection zone. Go to Step V. If both LED lights turn on for .5 seconds, followed by a continuous red light Replace sensor. Go to Step V. Symptom Isolation Procedures Side Sensor Continuous Detection Test Side Sensor Continuously Detecting Targets, continued Step V Procedure Condition Action 1. Key off. 2. Reconnect all connectors. 3. Drive vehicle to determine if problem has been corrected. If complaint has been repaired Test complete. If complaint has not been repaired Return to Step A to find error in testing. 3-9 Symptom Isolation Procedures Side Sensor Continuously Detecting Targets, continued This page left blank intentionally. 3-10 BlindSpotter ® INTERCONNECT HARNESS J1 ODU P2 SOD GROUND IGNITION TURN SGNL 3 2 4 1 ODU PWR ODU GND ODU COMM TURN SIGNAL CONNECTOR REAR ODU PWR ODU GND COMM PWR GND CONNECTOR REAR 4 3 5 2 6 1 J2 SOD Appendix SIDE OBJECT DETECTION SENSOR ODU P1 OPERATOR DISPLAY UNIT Appendix Wiring Diagrams A-1 A-2 1 2 3 SIDE SENSOR SENSOR CONNECTOR FRONT 6 5 4 J2 3 4 5 GND COMM ODU PWR ODU GND 6 1 2 PWR BROWN DK GREEN WIRING DIAGRAM BLACK WHITE RED BLACK RED TURN SIGNAL J2 SOD GROUND IGNITION ORANGE WHITE BROWN DK GREEN 1 4 3 2 TURN SIG ODU COMM ODU GND ODU PWR OPERATOR DISPLAY UNIT 240 INCHES TURN SGNL 72 INCHES J1 ODU IGNITION GROUND 1 2 DISPLAY CONNECTOR FRONT 4 3 J1 Appendix 1.6 1.2 ODU P1 39" ±3" 10° BRACKET CAN BE BENT± 15° 2.8 2.1 2.0 1.0 ADHESIVE BACKING 2.3 Appendix FOUR #4 METAL SCREWS .70 4 X 0 .125 THRU MTG. HOLES 2.0 Appendix A-3 A-4 0.25 ® BlindSpotter 2) TORQUE TO 22 IN/LBS. BUTTON HEAD CAP SCREWS FOR MOUNTING. 1) USE 3 #10-24 X 1 1/2" S.S. NOTES: 5.36 5.36 1.38 P2 D SO 0.9 5.6 3.53 P2 SOD MADE IN USA FCC ID: OXZSTDPREVIEW 000003 *86989492* This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: 1) This device may not cause harmful interference and 2) This device must accept any interference received. Including interference to cause undesired operation. SERIAL NO. PART NUMBER 2.04 0.82 2.04 1.25 MTG. HOLE TO CLEAR CONNECTOR 3.2 Appendix Appendix Appendix This page left blank intentionally. 901 Cleveland Street • Elyria, OH 44035 • 1-800-AIR-BRAKE • www.bendix.com BW2860 ©2011 Bendix Commercial Vehicle Systems LLC, a member of the Knorr-Bremse Group • All Rights Reserved • 09/11
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