Diesel Data: Automotive Repair

No Response From Controller Antilock Brake

Test 1 - 3:




Test 4 - 6:




Test 7:






SYMPTOM
NO RESPONSE FROM CONTROLLER ANTILOCK BRAKE

POSSIBLE CAUSES
- No response from CAB
- Replace fuse # 17
- Fused ignition switch output circuit shorted to ground
- Ground circuit open
- Open fused ignition switch output circuit
- Controller antilock brake (CAB) module
- PCI bus circuit open
- Body control module