Rear Wiper and Washer

GENERAL DESCRIPTION CONCERNING THE REAR WIPER AND WASHER

The following ECUs affect the functions and control of the rear wiper and washer.






REAR WIPER AND WASHER

Rear wiper control





Intermittent control (basic control)

When the rear wiper switch on the column switch is turned ON with the ignition switch ACC or ON, ETACS-ECU turns ON the rear wiper relay and operates the rear wiper twice consecutively. After that, operation continues at 8-second intervals.
"R" position-linked control

When the shift lever [M/T] or the selector lever [A/T] is moved to R (reverse) position during the rear wiper operation, the backup light switch [M/T] or the transmission range switch R (reverse) [A/T] turns ON. One second after that, the ETACS-ECU turns the rear wiper relay ON, and operates the rear wiper twice consecutively.

NOTE:
If the rear wiper switch is turned OFF or the backup light switch [M/T] or the transmission range switch R (reverse) [A/T] is turned OFF while the rear wiper is operating twice consecutively, the rear wiper relay will be turned OFF and the rear wiper will be stopped.

Rear washer control





When the rear washer switch on the column switch is turned ON with the ignition switch ACC or ON, the ETACS-ECU turns ON the rear washer relay.
If the rear washer switch remains ON for 0.9 second or more, the rear wiper operates.
3 seconds after the rear washer switch is turned OFF, the rear wiper is stopped.
If the rear washer switch is turned ON during the intermittent operation of the rear wiper, the rear wiper operates along with the rear washer consecutively. 7.4 seconds after the rear wiper stops consecutive operation, it returns to the intermittent operation.