PCI Bus Communication

Symptom:
PCI BUS COMMUNICATION

When Monitored:
Ignition On - Continuously

Set Condition:
When the ABM detects PCI Bus not connected or is shorted to voltage or ground.

Test 1-2:

Test 3-7:

Test 8-9:

POSSIBLE CAUSES
- INTERMITTENT DTC
- DAMAGED ABM/ABM HARNESS CONNECTOR
- FUSED RUN RELAY OUTPUT CIRCUIT OPEN
- ABS VALVE FUSED B(+) CIRCUIT OPEN
- ABM - GROUND CIRCUIT OPEN
- PCI BUS CIRCUIT OPEN
- ABM - INTERNAL FAULT
- PCI BUS CIRCUIT SHORT TO VOLTAGE
- PCI BUS CIRCUIT SHORT TO GROUND