C120D
C120D-REAR TRACTION CONTROL PRIME VALVE CONTROL CIRCUIT LOW
For a complete wiring diagram Refer to Diagram/Electrical. Electrical Diagrams
- When Monitored:
Continuous
- Set Condition:
The electrical feedback of the power stage does not correspond with the activation of the respective valve.
Diagnostic Test
1. HIGH RESISTANCE IN B+ CIRCUITS
Turn key off.
Disconnect the ABS Module harness connector.
NOTE: Check connector - Clean/repair as necessary.
Turn key on, engine off.
With a test light connected to ground check (A107) Fused B+, (A111) Fused B+ and (F960) Fused ignition switch output.
Is the test light bright like when connected to the battery?
Yes
- Go to 2
No
- Repair the high resistance in the circuits.
- Perform ABS VERIFICATION TEST - VER 1. Verification Tests
2. HIGH RESISTANCE IN GROUND CIRCUITS
With a test light Connected to B+ check (Z107) Ground and (Z127) Ground.
Is the test light bright like when connected to the battery?
Yes
- Replace the ABS.
- Perform ABS VERIFICATION TEST - VER 1. Verification Tests
No
- Repair the high resistance in the circuits.
- Perform ABS VERIFICATION TEST - VER 1. Verification Tests