No Response From Controller Antilock Brake

Test 1-3:

Test 4-7:

Test 8-9:

Symptom
*NO RESPONSE FROM CONTROLLER ANTILOCK BRAKE

POSSIBLE CAUSES
- NO RESPONSE FROM CAB
- REPLACE FUSE # 19
- CONTROLLER ANTILOCK BRAKE SHORTED TO GROUND
- FUSED IGNITION SWITCH OUTPUT CIRCUIT SHORTED TO GROUND
- JUNCTION BLOCK SHORTED TO GROUND
- GROUND CIRCUIT OPEN
- OPEN FUSED IGNITION SWITCH OUTPUT CIRCUIT
- OPEN PCI BUS CIRCUIT
- CONTROLLER ANTILOCK BRAKE