Symptom:
PCI BUS SHORTED TO VOLTAGE
When Monitored and Set Condition:
PCI BUS SHORTED TO VOLTAGE
When Monitored: Ignition On - Continuously
Set Condition: When the CAB detects PCI Bus is shorted to voltage for more than 10
seconds.
POSSIBLE CAUSES
INTERMITTENT DTC
DAMAGED CAB/CAB HARNESS CONNECTOR
FUSED RUN RELAY OUTPUT CIRCUIT OPEN
ABS VALVE FUSED B(+) CIRCUIT OPEN
ABS PUMP FUSED B(+) CIRCUIT OPEN
CAB - GROUND CIRCUIT OPEN
PCI BUS CIRCUIT OPEN
CAB - INTERNAL FAULT
PCI BUS CIRCUIT SHORT TO VOLTAGE
PCI BUS CIRCUIT SHORT TO GROUND
TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIIIt, read DTCs.
With the DRBIIIt, erase DTCs.
Turn the ignition off.
Turn the ignition on.
With the DRBIIIt, read DTCs.
Does the DRBIIIt display PCI BUS SHORTED TO VOLTAGE?
All
Yes → Go To 2
No → Go To 10
2 Turn the ignition off.
Disconnect the CAB harness connector.
Inspect the CAB/CAB harness connector for damage.
Is there any broken, bent, pushed out, corroded or spread terminals?
All
Yes → Repair as necessary.
Perform ABS VERIFICATION TEST - VER 1.
No → Go To 3
35
BRAKES (CAB)
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