MERCEDES-BENZ SPRINTER 2006 Service Manual

10.5.3 SWITCH AND MISCELLANEOUS CIRCUITS
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10.5 POWER DOOR LOCKS/RKE (Continued)

10.6 VEHICLE THEFT SECURITY SYSTEM
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10.7 RAIN SENSOR SYSTEM
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11.0 CHARTS AND GRAPHS
11.1 EVAP TEMP SENSOR RESISTANCE TO TEMPERATURE SPECIFICATIONS
11.2 AIR OUTLET TEMP SENSOR RESISTANCE TO TEMPERATURE SPECIFICATIONS
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11.3 WIPER SWITCH/WASHER SWITCH VOLTAGE SIGNALSC
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TABLE OF CONTENTS
1.0 INTRODUCTION.........................................................1
1.1SYSTEM COVERAGE...............................................1
1.2SIX-STEP TROUBLESHOOTING PROCEDURE..........................1
2.0 INDENTIFICATION OF SYSTEM............................................1
3.0 SYSTEM DESCRIPTION AND FUNCTIONAL OPERATION......................1
3.1ESP ..............................................................1
3.2ABS ..............................................................1
3.3BRAKE ASSIST SYSTEM (HBA).......................................2
3.4TCS (ASR).........................................................2
3.5ELECTRONIC BRAKE DISTRIBUTION (EBD)............................2
3.6VEHICLE CONTROLLING (FZR).......................................2
3.7SYSTEM COMPONENTS.............................................2
3.7.1ABS AND TCS (ASR) INDICATORS............................3
3.7.2CONTROLLER ANTILOCK BRAKE (CAB).......................3
3.7.3HYDRAULIC CONTROL UNIT (HCU)...........................3
3.7.4SWITCHES/SENSORS.......................................3
3.7.5SELF TESTS...............................................4
3.8USING THE DRBIIIT.................................................4
3.9DRBIIITERROR MESSAGES.........................................4
3.9.1DRBIIITDOES NOT POWER UP (BLANK SCREEN)...............5
3.9.2DISPLAY IS NOT VISIBLE....................................5
4.0 DISCLAIMERS, SAFETY, WARNINGS.......................................5
4.1DISCLAIMERS......................................................5
4.2SAFETY...........................................................5
4.2.1TECHNICIAN SAFETY INFORMATION..........................5
4.2.2VEHICLE PREPARATION FOR TESTING........................5
4.2.3SERVICING SUB-ASSEMBLIES...............................5
4.2.4DRBIIITSAFETY INFORMATION...............................6
4.3WARNING.........................................................6
4.3.1VEHICLE DAMAGE WARNINGS...............................6
4.3.2ROAD TESTING A COMPLAINT VEHICLE.......................6
4.4DIAGNOSIS........................................................6
5.0 REQUIRED TOOLS AND EQUIPMENT......................................7
6.0 GLOSSARY OF TERMS...................................................7
7.0 DIAGNOSTIC INFORMATION AND PROCEDURES............................9
BRAKES (CAB)
ANTI-LOCK BRAKE MODULE INTERNAL...................................10
CAB INTERNAL.........................................................10
BRAKE FLUID LEVEL....................................................13
BRAKE PRESSURE SENSOR CIRCUIT.....................................15
BRAKE SWITCH CIRCUIT................................................17
CAB CHECK SUM......................................................21
CAB OPTION...........................................................23
CAN COMMUNICATION ERROR..........................................25
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TABLE OF CONTENTS - Continued
DRIVE TEST COMPLETED SUCCESSFULLY................................28
DRIVE TEST ERROR....................................................29
INCORRECT TONE WHEEL..............................................32
LATERAL ACCELERATION SENSOR CIRCUIT...............................36
LATERAL ACCELERATION SENSOR IMPLAUSIBLE..........................36
LATERAL ACCELERATION SENSOR INTERNAL FAULT.......................39
LEFT FRONT INLET SOLENOID...........................................40
LEFT FRONT OUTLET SOLENOID.........................................40
LEFT FRONT, RIGHT REAR INLET SOLENOID..............................40
LEFT FRONT, RIGHT REAR OUTLET SOLENOID............................40
LEFT REAR INLET SOLENOID............................................40
LEFT REAR OUTLET SOLENOID..........................................40
RIGHT FRONT INLET SOLENOID..........................................40
RIGHT FRONT OUTLET SOLENOID.......................................40
RIGHT FRONT, LEFT REAR INLET SOLENOID..............................40
RIGHT FRONT, LEFT REAR OUTLET SOLENOID............................40
RIGHT REAR INLET SOLENOID...........................................40
RIGHT REAR OUTLET SOLENOID.........................................40
LEFT FRONT WHEEL SPEED SENSOR CIRCUIT............................43
LEFT REAR WHEEL SPEED SENSOR CIRCUIT..............................43
RIGHT FRONT WHEEL SPEED SENSOR CIRCUIT...........................43
RIGHT REAR WHEEL SPEED SENSOR CIRCUIT............................43
LEFT FRONT WHEEL SPEED SENSOR SIGNAL.............................46
LEFT REAR WHEEL SPEED SENSOR SIGNAL..............................46
RIGHT FRONT WHEEL SPEED SENSOR SIGNAL............................46
RIGHT REAR WHEEL SPEED SENSOR SIGNAL.............................46
WHEEL SPEED SENSOR SIGNAL ERROR..................................46
NO COMMUNICATION WITH BUS.........................................49
NO COMMUNICATION WITH ECM.........................................52
NO COMMUNICATION WITH IC...........................................54
PARAMETERIZATION ERROR............................................56
PUMP MOTOR.........................................................57
RELAY OUTPUT VOLTAGE...............................................60
SOLENOID RELAY......................................................63
STEERING ANGLE SENSOR CALIBRATION ERROR..........................65
STEERING ANGLE SENSOR GREATER THAN 720 DEGREES.................66
STEERING ANGLE SENSOR IMPLAUSIBLE CAN SIGNAL.....................68
STEERING ANGLE SENSOR IMPLAUSIBLE VALUE..........................70
STEERING ANGLE SENSOR IMPLAUSIBLE WHEEL SPEED...................72
STEERING ANGLE SENSOR INTERNAL FAULT..............................74
SYSTEM OVERVOLTAGE................................................75
SYSTEM UNDERVOLTAGE...............................................77
VERIFICATION TESTS
VERIFICATION TESTS...................................................79
8.0 COMPONENT LOCATIONS...............................................81
8.1DLC ± INDICATORS................................................81
8.2CAB ± WSS.......................................................82
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TABLE OF CONTENTS - Continued
9.0 CONNECTOR PINOUTS.................................................83
BRAKE FLUID LEVEL SWITCH............................................83
BRAKE LAMP SWITCH C1 (EXCEPT ESP)..................................83
BRAKE LAMP SWITCH C2 (EXCEPT ESP) - BLACK..........................83
CONTROLLER ANTILOCK BRAKE.........................................84
INSTRUMENT CLUSTER C2 - WHITE......................................85
STEERING ANGLE SENSOR..............................................85
TCS SWITCH (ASR) - BLACK.............................................85
WHEEL SPEED SENSOR-LEFT FRONT....................................85
WHEEL SPEED SENSOR-LEFT REAR......................................86
WHEEL SPEED SENSOR-RIGHT FRONT...................................86
WHEEL SPEED SENSOR-RIGHT REAR....................................86
10.0 SCHEMATIC DIAGRAMS.................................................87
10.1BOSCH 5.7 ANTILOCK BRAKE SYSTEM ± ABS.........................87
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