Intermittent Operation

Windshield wiper delay operation is a low speed wiper motor function which a variable delay interval between the wiper motor cycles. The delay interval is determined by a series of resistors within the wiper/washer switch. During delay wiper operation, the windshield wiper switch low signal is reduced through the delay resistors. The body control module (BCM) monitors the signal circuit to determine the delay interval between the low speed wiper motor cycles. If the wiper switch is moved from a longer delay interval to a shorter delay interval, the BCM will command an immediate wipe cycle, and reset the delay timer to the shorter delay interval.