Headlight Cleaner Switch Circuit

WIPER / WASHER: WIPER AND WASHER SYSTEM: 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

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 Exterior Lighting System
OK -- Continue to next step.

2. INSPECT HEADLIGHT CLEANER SWITCH ASSEMBLY

(a) Remove the headlight cleaner switch assembly.





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

Standard Resistance:





(c) Reinstall the headlight cleaner switch assembly.

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 A32 headlight cleaner control relay connector.





(b) Disconnect the H59 headlight cleaner switch assembly connector.

(c) Disconnect the DD main body ECU connector.

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

Standard Resistance:





(e) Reconnect the headlight cleaner control relay connector.

(f) Reconnect the headlight cleaner switch assembly connector.

(g) Reconnect the main body ECU connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE HEADLIGHT CLEANER CONTROL RELAY