Rear Wiper and Washer

REAR WIPER AND WASHER




GENERAL DESCRIPTION CONCERNING REAR WIPER AND WASHER
The following ECUs affect the functions and control of the rear wiper and washer.

REAR WIPER AND WASHER CONTROL FUNCTION

Rear wiper control




If the rear wiper switch of the column switch assembly is turned ON with the ignition switch in the ACC or ON position, the ETACS-ECU will turn the rear wiper drive signal ON for three seconds (approximately two operations), and then will carry out intermittent operation in a 7.4 to 8-second cycle.

If the shift lever or selector lever is moved to the "R" position when the rear wiper switch of the column switch assembly is turned ON and the ignition switch is in any position other than OFF, the back up light switch or the transmission range switch "R" position switch turns ON. One second later, the ETACS-ECU turns the rear wiper drive signal ON for three seconds (approximately two operations), to clear the rear view, and then returns to intermittent operation at a 7.4 to 8-second cycle.

Rear washer control

When the ignition switch is at the ACC or ON position, if the rear washer switch of the column switch is turned ON, the ETACS-ECU turns ON the rear washer relay. The rear wiper drive signal is turned ON in 0.3 seconds until three seconds after the rear washer switch goes OFF to operate the rear wiper continuously.

If the rear wiper is in intermittent operation when the rear washer switch is turned ON, 7.4 seconds after the rear wiper drive signal turns OFF, the 8-second cycle intermittent operation will continue.