No Response From Controller Antilock Brake - Mercedes-Benz Sprinter 2003 Manual

COMMUNICATION
Symptom:

*NO RESPONSE FROM CONTROLLER ANTILOCK BRAKE

CHECK POWERS AND GROUNDS TO THE CONTROLLER ANTILOCK BRAKE
SHIFTER ASSEMBLY
K-ABS, SHIFTER ASSEMBLY CIRCUIT SHORTED TO GROUND
SHIFTER ASSEMBLY
K-ABS, SHIFTER ASSEMBLY CIRCUIT SHORTED TO VOLTAGE
K-ABS, SHIFTER ASSEMBLY CIRCUIT OPEN
CONTROLLER ANTILOCK BRAKE
TEST
1 Turn the ignition off.
Disconnect the Controller Antilock Brake harness connector.
Check each power and ground circuit to the module.
Were any problems found?
Yes → Refer to the wiring diagrams located in the service information to
→ Go To 2
No
2 Turn the ignition off.
Disconnect the CAB harness connector.
Disconnect the DRBIII from the DLC.
Measure the resistance between ground and the K-ABS, Shifter Assembly circuit.
Is the resistance below 5.0 ohms?
Yes → Go To 3
→ Go To 4
No
3 Turn the ignition off.
Disconnect the Shifter Assembly harness connector.
Measure the resistance between ground and the K-ABS, Shifter Assembly circuit.
Is the resistance below 5.0 ohms?
Yes → Repair the K-ABS, Shifter Assembly circuit for a short to ground.
→ Replace the Shifter Assembly in accordance with the service
No
POSSIBLE CAUSES
ACTION
help isolate an open or shorted condition. Repair as necessary.
Perform ABS VERIFICATION TEST - VER 1.
Perform ABS VERIFICATION TEST - VER 1.
information.
Perform ABS VERIFICATION TEST - VER 1.
110
APPLICABILITY
All
All
All