Chrysler PT Cruiser 2001 Service Manual Supplement page 1967

BRAKES (CAB)
Symptom:
CAB POWER FEED CIRCUIT
When Monitored and Set Condition:
CAB POWER FEED CIRCUIT
When Monitored: Ignition on. The CAB monitors the Fused B+ circuit at all times for
proper system voltage.
Set Condition: If the Fused B+ voltage is missing when the CAB detects that an internal
main driver is not on , the Diagnostic Trouble Code (DTC) is set.
INTERMITTENT DTC
FUSE BLOWN - FUSED B(+) CIRCUIT
FUSED B(+) CIRCUIT OPEN
FUSED B(+) CIRCUIT SHORTED TO GROUND
FUSED B(+) CIRCUIT INTERMITTENTLY SHORTED TO GROUND
CAB - FUSED B(+) CIRCUIT OPEN
CAB - FUSED B(+) CIRCUIT SHORTED TO GROUND
TEST
1 Turn the ignition on.
With the DRBIII , erase DTC's.
Turn the ignition off.
Turn the ignition on.
With the DRBIII , read DTC's.
Is the CAB Power Feed Circuit DTC present right now?
Yes → Go To 2
→ Go To 10
No
2 Turn the ignition off.
Remove and Inspect ABS SOL Fuse in the PDC.
Is the Fuse blown?
Yes → Go To 3
→ Go To 8
No
3 Turn the ignition off.
Visually inspect the Fused B(+) Circuit in the wiring harness from the PDC to the
CAB. Look for any sign of an intermittent short to ground.
Is the wiring harness OK?
Yes → Go To 4
→ Repair the Fused B(+) Circuit Shorted to Ground.
No
POSSIBLE CAUSES
ACTION
Perform ABS VERIFICATION TEST.
10
APPLICABILITY
All
All
All