Rear Wiper Motor

CAUTION:
^ The magnets in the wiper motor can be damaged if it is dropped or knocked.
^ The measuring range must be at least 10 A to avoid damage of the ammeter.

NOTE: Use an external 12 V DC power supply which is able to supply current of at least 10 A or a fused connection to the vehicle battery.







Check current draw of the rear window wiper motor.
1. Switch off the ignition.
2. Disconnect the connector from the wiper motor.
3. Connect the ammeter negative terminal to wiper motor connector pin 2, component side and the power supply negative terminal to the wiper motor housing.
4. Connect the positive terminal of the 12 V power supply to the positive terminal of the ammeter and switch on the power supply. As the wiper motor operates, lake a current input reading from the ammeter. For the required maximum value refer to the specifications table.
5. Switch off the power supply.

For further information regarding the diagnosis of this component and the
system that it is a part of, please refer to Wiper and Washer Systems; Testing and Inspection.