Rear Wiper and Washer
System OutlineWhen the ignition SW is turned on, the current flows from the WSH fuse to rear washer motor TERMINAL 1, and the current flows from the RR WIP fuse to rear wiper motor and relay TERMINAL 1 respectively.
1. Rear Wiper Normal Operation
When the ignition SW is turned on, and the rear wiper and washer SW is turned to HI position, the current flows from the rear wiper motor and relay TERMINAL 1 to TERMINAL 3 to the rear wiper and washer SW TERMINAL 10 to TERMINAL 2 to GROUND, and turns on the rear wiper relay. As a result, the current flows from the rear wiper motor and relay TERMINAL 1 to the rear wiper motor to GROUND, and operates the rear wiper.
2. Rear Wiper Intermittent Operation
When the ignition SW is turned on and the rear wiper and washer SW is turned to LO position, current to TERMINAL 1 of the rear wiper motor and relay flows to TERMINAL 2 of the rear wiper motor and relay to TERMINAL 13 of the rear wiper and washer SW to TERMINAL 2 to GROUND.
This causes the motor to operate (The point changes) and the intermittent circuit of the relay operates. Intermittent operation of the circuit is controlled by the charging and discharging of the condenser installed inside the relay.
3. Washer Operation
With the ignition SW turned on and the rear wiper and washer SW turned to ON position, when the washer is turned ON (To wiper HI side), current to TERMINAL 1 of the rear washer motor flows to TERMINAL 2 of the motor to TERMINAL 12 of the rear wiper and washer SW to TERMINAL 2 to GROUND so that the rear washer motor rotates and the window washer emits water.
With the ignition SW turned on and the rear wiper and washer SW turned to OFF position, when the washer is turned ON (To wiper OFF side), current flows as above so that the rear washer motor rotates and the window washer emits water as well as the wiper operates.