Wiper Motor Power Source Circuit

WIPER AND WASHER: WIPER AND WASHER SYSTEM: Wiper Motor Power Source Circuit

Wiper Motor Power Source Circuit

DESCRIPTION

This circuit provides power to the front wiper motor and operates the main body ECU LH.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK MAIN BODY ECU LH




(a) Measure the voltage of the connector.
Standard voltage:






OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
NG -- Continue to next step.
2.
CHECK WIRE HARNESS (ECU - BODY GROUND)




(a) Disconnect the PA and PD ECU connectors.
(b) Measure the resistance of the wire harness side connectors.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3.
CHECK WIRE HARNESS (ECU - BATTERY)




(a) Disconnect the PD and PM ECU connectors.
(b) Measure the voltage of the wire harness side connectors.
Standard voltage:






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