Operation CHARM: Car repair manuals for everyone.

Wiper and Washer Systems: Description and Operation

DESCRIPTION

The Interval Wiper/Washer System allows the driver to select "LO" speed, "HI" speed, or "interval" (INT) wiping action. In "INT", the wipes can be spaced one to fifteen seconds apart.

OPERATION

During washer operation, with the Wiper Switch in the "LO" or "HI" position, normal wiping action occurs. If the Wiper Switch is in the "OFF" or "INT" position during washer operation, the wipers operate in "LO" speed. The wipers will continue to operate in "LO" speed for a few cycles after the washer button is released to dry off the windshield. The wipers then return to "OFF" or "INT" operation.

During Interval operation, the wipers make single low speed wipes separated by a variable length pause of one to fifteen seconds.

When parking is complete, the wiper motor is braked to a stop by shunting the L and C terminals of the motor through the wiper motor switch. 8raking takes place when the wiper motor switch moves to the "PARK" position. The wiper motor L terminal is connected to terminal C through the "PARK" contact of the wiper motor switch and the deenergized contact of the Wiper/Washer Control Module relays.