Operation CHARM: Car repair manuals for everyone.

Failed Park Switch

If the wiper park switch has failed, the windshield wipers will operate as follows:

SWITCH OFF - Wipers stop in current location regardless of the park signal.

INTERMITTENT MODE - Wipers operate at low speed for one or more extra wipes or continuously.

LOW SPEED - Wipers operate at low speed.

HIGH SPEED - Wipers operate at high speed.

PULSE WIPE - Wipers will not operate.

WIPE AFTER WASH - Wipers operate at low speed in any mode setting. Wipers operate only while wash button is depressed with switch in OFF mode, wipers stop in mid-cycle when button is released.

Wiper System Diagnosis (Part 1 Of 2):




Wiper System Diagnosis (Part 2 Of 2):




The windshield wiper park switch and circuit is monitored by the BCM. The park switch and circuit can be tested using the Wiper System Diagnosis table.