2427958 - E3021 REAR WINDOW WASH/WIPE - Description

Description

The rearscreen wiper is operated by turning the ring nut on the end of the lever located on the right of the steering wheel.The operation of the rearscreen wiper motor is controlled intermittently by the electronic device inside the steering column switch unit which also manages the windscreen wash/wipe: the activation of the rearscreen wiper is synchronized with the windscreen wiper, but the frequency is half that of the windscreen wiperBy pushing the lever gently towards the steering wheel the rearscreen washer function is activated; the same (two-way) pump is used as for the windscreen washer, but it rotates in the opposite direction and sends the detergent fluid to the rear, following the same control logic: the rearscreen wiper is activated the, as the rearscreen washer command is over, an additional stroke is carried out. When the windscreen wiper is working, engaging reverse gear automatically activates the rearscreen wiper: this function is managed by the Body Computer which forwards this information, coming from the reversing lights function control logic, to the electronic device in the steering column switch unit  See E2022  REVERSING LIGHTS . The rearscreen wash/wipe can only be operated with the ignition switched ON.The rearscreen wash/wipe circuit is protected by a specific fuse (which also protects the windscreen wash/wipe circuit) and operated by the ignition-operated relay, located in the junction unit.The windscreen wash/wipe circuit is protected by a specific fuse and is operated by the ignition-operated relay located in the underdashboard control unit.The rearscreen wash/wipe can be operated with the ignition ON (INT/A).