Ignition Switch Circuit

WIPER AND WASHER: WIPER AND WASHER SYSTEM: Ignition Switch Circuit

Ignition Switch Circuit

DESCRIPTION

This circuit is the power source for the wiper motor, the surrounding circuits and the CPU circuits. This circuit detects the state of the ignition switch.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT WINDSHIELD WIPER ECU (WIG)





(a) Disconnect the connector from the windshield wiper ECU.
(b) Measure the voltage between terminal WIG on the wire harness side and body ground.
Standard voltage:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE