2006 MERCEDES-BENZ SPRINTER steering

TEST ACTION APPLICABILITY
5 With the DRBIIIt, record and erase all DTC's from all Airbag modules.
If equipped with Passenger Airbag On - Off switch, read the DTC's in all switch
positions.
If any ACTIVE codes are present they must be resolved before diagnosing any stored
codes.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
Look for chaffed, pierced, pinched, or partially broken wires and broken, bent, pushed
out, spread, corroded, or contaminated terminals.
The following additional checks may assist you in identifying a possible intermittent
problem.
Reconnect any disconnected components and harness connector.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION ON, THEN RECONNECT THE BATTERY.
With the DRBIIItmonitor active codes as you work through the following steps.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, MAINTAIN A SAFE
DISTANCE FROM ALL AIRBAGS WHILE PERFORMING THE FOLLOWING
STEPS.
Wiggle the wiring harness and connectors of the related airbag circuit or component.
If codes are related to the Driver circuits, rotate the steering wheel from stop to stop.
You have just attempted to simulate the condition that initially set the trouble code
message.
Did the DTC become active?All
Ye s!Select appropriate symptom from Symptom List.
No!No problem found at this time. Erase all codes before returning
vehicle to customer.
53
AIRBAG
PASSENGER SEAT BELT TENSIONER SHORT TO BATTERY ÐContinued

TEST ACTION APPLICABILITY
3WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN IGNITION
OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BEFORE
PROCEEDING.
Disconnect the Load Tool from the Passenger Seat Belt Tensioner connector.
Disconnect the Airbag Control Module Connector(s).
NOTE: Check connectors - Clean and repair as necessary.
Connect the appropriate Load Tool ACM Adaptor to the Airbag Control Module
connector(s).
Measure the resistance of the Passenger Seat Belt Tensioner Line 1 and Line 2
circuits between the Passenger SBT connector and ground.
Is the resistance below 10K Ohms on either circuit?All
Ye s!Repair the Passenger Seat Belt Tensioner Line 1 or Line 2 short
to ground.
Perform AIRBAG VERIFICATION TEST - VER 1.
No!Go To 4
4WARNING: IF THE AIRBAG CONTROL MODULE IS DROPPED AT ANY
TIME, IT MUST BE REPLACED. FAILURE TO TAKE THE PROPER PRE-
CAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT
AND PERSONAL INJURY OR DEATH.
If there are no possible causes remaining, view repair.All
Repair:
Replace the Airbag Control Module in accordance with the Service
Information.
Perform AIRBAG VERIFICATION TEST - VER 1.
5 With the DRBIIIt, record and erase all DTC's from all Airbag modules.
If equipped with Passenger Airbag On - Off switch, read the DTC's in all switch
positions.
If any ACTIVE codes are present they must be resolved before diagnosing any stored
codes.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
Look for chaffed, pierced, pinched, or partially broken wires and broken, bent, pushed
out, spread, corroded, or contaminated terminals.
The following additional checks may assist you in identifying a possible intermittent
problem.
Reconnect any disconnected components and harness connector.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION ON, THEN RECONNECT THE BATTERY.
With the DRBIIItmonitor active codes as you work through the following steps.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, MAINTAIN A SAFE
DISTANCE FROM ALL AIRBAGS WHILE PERFORMING THE FOLLOWING
STEPS.
Wiggle the wiring harness and connectors of the related airbag circuit or component.
If codes are related to the Driver circuits, rotate the steering wheel from stop to stop.
You have just attempted to simulate the condition that initially set the trouble code
message.
Did the DTC become active?All
Ye s!Select appropriate symptom from Symptom List.
No!No problem found at this time. Erase all codes before returning
vehicle to customer.
55
AIRBAG
PASSENGER SEAT BELT TENSIONER SHORT TO GROUND ÐContinued

TEST ACTION APPLICABILITY
5 With the DRBIIIt, record and erase all DTC's from all Airbag modules.
If equipped with Passenger Airbag On - Off switch, read the DTC's in all switch
positions.
If any ACTIVE codes are present they must be resolved before diagnosing any stored
codes.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
Look for chaffed, pierced, pinched, or partially broken wires and broken, bent, pushed
out, spread, corroded, or contaminated terminals.
The following additional checks may assist you in identifying a possible intermittent
problem.
Reconnect any disconnected components and harness connector.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION ON, THEN RECONNECT THE BATTERY.
With the DRBIIItmonitor active codes as you work through the following steps.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, MAINTAIN A SAFE
DISTANCE FROM ALL AIRBAGS WHILE PERFORMING THE FOLLOWING
STEPS.
Wiggle the wiring harness and connectors of the related airbag circuit or component.
If codes are related to the Driver circuits, rotate the steering wheel from stop to stop.
You have just attempted to simulate the condition that initially set the trouble code
message.
Did the DTC become active?All
Ye s!Select appropriate symptom from Symptom List.
No!No problem found at this time. Erase all codes before returning
vehicle to customer.
58
AIRBAG
PASSENGER SQUIB 1 CIRCUIT OPEN ÐContinued

TEST ACTION APPLICABILITY
5 With the DRBIIIt, record and erase all DTC's from all Airbag modules.
If equipped with Passenger Airbag On - Off switch, read the DTC's in all switch
positions.
If any ACTIVE codes are present they must be resolved before diagnosing any stored
codes.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
Look for chaffed, pierced, pinched, or partially broken wires and broken, bent, pushed
out, spread, corroded, or contaminated terminals.
The following additional checks may assist you in identifying a possible intermittent
problem.
Reconnect any disconnected components and harness connector.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION ON, THEN RECONNECT THE BATTERY.
With the DRBIIItmonitor active codes as you work through the following steps.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, MAINTAIN A SAFE
DISTANCE FROM ALL AIRBAGS WHILE PERFORMING THE FOLLOWING
STEPS.
Wiggle the wiring harness and connectors of the related airbag circuit or component.
If codes are related to the Driver circuits, rotate the steering wheel from stop to stop.
You have just attempted to simulate the condition that initially set the trouble code
message.
Did the DTC become active?All
Ye s!Select appropriate symptom from Symptom List.
No!No problem found at this time. Erase all codes before returning
vehicle to customer.
61
AIRBAG
PASSENGER SQUIB 1 CIRCUIT SHORT ÐContinued

TEST ACTION APPLICABILITY
5 With the DRBIIIt, record and erase all DTC's from all Airbag modules.
If equipped with Passenger Airbag On - Off switch, read the DTC's in all switch
positions.
If any ACTIVE codes are present they must be resolved before diagnosing any stored
codes.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
Look for chaffed, pierced, pinched, or partially broken wires and broken, bent, pushed
out, spread, corroded, or contaminated terminals.
The following additional checks may assist you in identifying a possible intermittent
problem.
Reconnect any disconnected components and harness connector.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION ON, THEN RECONNECT THE BATTERY.
With the DRBIIItmonitor active codes as you work through the following steps.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, MAINTAIN A SAFE
DISTANCE FROM ALL AIRBAGS WHILE PERFORMING THE FOLLOWING
STEPS.
Wiggle the wiring harness and connectors of the related airbag circuit or component.
If codes are related to the Driver circuits, rotate the steering wheel from stop to stop.
You have just attempted to simulate the condition that initially set the trouble code
message.
Did the DTC become active?All
Ye s!Select appropriate symptom from Symptom List.
No!No problem found at this time. Erase all codes before returning
vehicle to customer.
64
AIRBAG
PASSENGER SQUIB 1 SHORT TO BATTERY ÐContinued

TEST ACTION APPLICABILITY
5 With the DRBIIIt, record and erase all DTC's from all Airbag modules.
If equipped with Passenger Airbag On - Off switch, read the DTC's in all switch
positions.
If any ACTIVE codes are present they must be resolved before diagnosing any stored
codes.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION OFF, DISCONNECT THE BATTERY AND WAIT TWO MINUTES BE-
FORE PROCEEDING.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
Look for chaffed, pierced, pinched, or partially broken wires and broken, bent, pushed
out, spread, corroded, or contaminated terminals.
The following additional checks may assist you in identifying a possible intermittent
problem.
Reconnect any disconnected components and harness connector.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, TURN THE IGNI-
TION ON, THEN RECONNECT THE BATTERY.
With the DRBIIItmonitor active codes as you work through the following steps.
WARNING: TO AVOID PERSONAL INJURY OR DEATH, MAINTAIN A SAFE
DISTANCE FROM ALL AIRBAGS WHILE PERFORMING THE FOLLOWING
STEPS.
Wiggle the wiring harness and connectors of the related airbag circuit or component.
If codes are related to the Driver circuits, rotate the steering wheel from stop to stop.
You have just attempted to simulate the condition that initially set the trouble code
message.
Did the DTC become active?All
Ye s!Select appropriate symptom from Symptom List.
No!No problem found at this time. Erase all codes before returning
vehicle to customer.
67
AIRBAG
PASSENGER SQUIB 1 SHORT TO GROUND ÐContinued

STEERING ANGLE SENSORCAV CIRCUIT FUNCTION
1 20DG/WT CAN C BUS (-)
2- -
3 20DG CAN C BUS (+)
4- -
5 20BK/RD FUSED OPTIONAL EQUIPMENT RELAY OUTPUT
6 20BR GROUND
TOWING/INTRUSION SENSOR ON/OFF SWITCHCAV CIRCUIT FUNCTION
1 18GY/DG/RD LAMP DRIVER
2- -
3 18GY/YL INTRUSION SENSOR SWITCH SENSE
4 18BR GROUND
5- -
6- -
7- -
8 18GY/BR TOWING SENSOR SWITCH SENSE
9 18VT/DG TOWING/INTRUSION SENSOR INDICATOR DRIVER
10 18BR GROUND
TRANSMISSION CONTROL MODULE C1 - BLACKCAV CIRCUIT FUNCTION
1 20BL K-TCM/RADIO
2- -
3- -
4- -
5- -
6- -
7- -
8- -
9- -
10 - -
23 - -
24 - -
25 - -
26 - -
27 - -
28 - -
29 16BK/DG TRANSMISSION RELAY OUTPUT
30 18BR GROUND
C
O
N
N
E
C
T
O
R
P
I
N
O
U
T
S
287
CONNECTOR PINOUTS

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
ii