Wiper Control Module: Testing and Inspection

Fig. 60 Rear wiper controller:

1. Disconnect wiper controller electrical connector.
2. Connect positive battery voltage to controller terminal No. 8 and negative to terminals No. 2 and 4, Fig. 60.
3. Connect terminal No. 1 and ground, then approximately 12 volts should be indicated.
4. Apply positive battery voltage to controller terminal No. 8 and negative to terminals No. 2, 6 and 7.
5. Connect terminal No. 1 and ground, then approximately 12 volts should be indicated.
6. If voltage is not as specified, replace controller.