Wiper/Washer
VOLTAGE SUPPLY CIRCUIT OPENVoltage Supply Circuit Open:
WHEN MONITORED
With the wipers/washers on.
SET CONDITION
If the Body Control Module (BCM) detects a voltage supply circuit malfunction, the DTC is set.
POSSIBLE CAUSES
- Fused ignition switch output circuit open
- Body control module
DIAGNOSTIC TEST
1. MEASURE THE VOLTAGE OF THE FUSED IGNITION SWITCH OUTPUT CIRCUIT
NOTE: Inspect Fuse 4 located in the Underhood Accessory Fuse Block. If the fuse is open, repair the cause of the open fuse before continuing.
Disconnect the BCM harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Turn the ignition on.
Measure the voltage of the Fused Ignition Switch Output circuit at the BCM C4 harness connector.
Q: Is the voltage between 12 and 16 volts?
YES: Replace the Body Control Module. Perform BODY VERIFICATION TEST. Body Verification Test
NO: Repair the Fused Ignition Switch Output circuit for an open. Perform BODY VERIFICATION TEST. Body Verification Test