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 (cowl side J/B LH).

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK MAIN BODY ECU LH (COWL SIDE J/B LH)

(a) Measure the voltage according to the value(s) in the table below.





Standard voltage:





NG -- CHECK HARNESS AND CONNECTOR (MAIN BODY ECU LH (COWL SIDE J/B LH) - BODY GROUND)

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

2. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU LH (COWL SIDE J/B LH) - BODY GROUND)

(a) Disconnect the LD and main body ECU LH (cowl side J/B LH) connectors.





(b) Measure the resistance according to the value(s) in the table below.

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU LH (COWL SIDE J/B LH) - BATTERY)

(a) Measure the voltage according to the value(s) in the table below.





Standard voltage:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE