Headlight Cleaner Switch Circuit

WIPER / WASHER: WIPER AND WASHER SYSTEM (w/ Rain Sensor): Headlight Cleaner Switch Circuit
- Headlight Cleaner Switch Circuit

DESCRIPTION

This circuit detects the conditions of the headlight cleaner switch.

* Headlight cleaner switch signal

* Headlight operating signal

* Daytime running light operating signal

* Front washer motor operating signal

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HEADLIGHT ASSEMBLY (LO BEAM)

(a) Check that the headlights illuminate in LO beam.

OK:

Headlights illuminate in LO beam

NG -- GO TO LIGHTING SYSTEM How To Proceed With Troubleshooting
OK -- Continue to next step.

2. INSPECT HEADLIGHT CLEANER SWITCH ASSEMBLY

(a) Disconnect the G4 cleaner switch connector.





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

Standard Resistance:





Text in Illustration





NG -- REPLACE HEADLIGHT CLEANER SWITCH ASSEMBLY Removal
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (HEADLIGHT CLEANER SWITCH ASSEMBLY - HEADLIGHT CLEANER CONTROL RELAY AND MAIN BODY ECU)

(a) Disconnect the A17 relay connector.





(b) Disconnect the G4 switch connector.

(c) Disconnect the 2D main body ECU connector.

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

Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE HEADLIGHT CLEANER CONTROL RELAY Removal