Wiper And Washer Switch Circuit

WIPER AND WASHER: WIPER AND WASHER SYSTEM: Wiper and Washer Switch Circuit
- Wiper and Washer Switch Circuit

DESCRIPTION

This circuit provides power to operate the windshield wiper switch. The manual operation signals are sent to the front controller.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FUSE (P-D/C CUT, D-IG1-1)

(a) Remove the P-D/C CUT fuse from the passenger side junction block.

(b) Remove the D-IG1-1 fuse from the driver side junction block.

(c) Measure the resistance according to the values in the table below.

Standard resistance:





NG -- REPLACE FUSE
OK -- Continue to next step.

2. READ VALUE USING TECHSTREAM (WINDSHIELD WIPER SWITCH)

(a) Check the Data List for proper functioning of the windshield wiper switch.

Combination switch:





OK:

The display is as specified in the normal condition.

NG -- CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER SWITCH - BATTERY AND BODY GROUND)

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE Symptom Related Diagnostic Procedures

3. CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER SWITCH - BATTERY AND BODY GROUND)

(a) Disconnect the L25 switch connector.





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

Standard voltage:





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

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE WINDSHIELD WIPER SWITCH ASSEMBLY Removal