Wipers Intermittent Speed Inoperative

POSSIBLE CAUSES
- Multi-function switch
- Body control module

Diagnostic Test




1. MEASURE WIPER SWITCH MUX CIRCUIT VOLTAGE

NOTE: If any BCM DTCs are set, diagnose them first before continuing.

Turn the ignition on.
Backprobe the Body Control Module (BCM) C3 harness connector cavity 65 for voltage with the Wiper Switch in the Intermittent position.

Q: Is the voltage approximately 3 to 4 volts?

YES: Replace the Body Control Module. Perform BODY VERIFICATION TEST. Verification Tests
NO: Replace the Multi-Function Switch. Perform BODY VERIFICATION TEST. Verification Tests