Wiper and Washer Switch Circuit

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

DESCRIPTION

This circuit detects the state of the windshield wiper switch assembly (front wiper switch and front washer switch) and sends it to the windshield wiper relay assembly.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY

(a) Remove the windshield wiper switch assembly Components.





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

Standard Resistance:

Front Washer Switch
Adjusting Ring*1

Front Wiper Switch













Text in Illustration





HINT
*1: The rain sensor sensitivity can be adjusted by the windshield wiper switch adjusting ring.

NG -- REPLACE WINDSHIELD WIPER SWITCH ASSEMBLY Components
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (WIPER SWITCH - WIPER RELAY AND BODY GROUND)

(a) Disconnect the F27 and F28 windshield wiper switch assembly connectors.

(b) Disconnect the F101 windshield wiper relay assembly connector.

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

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Symptom Related Diagnostic Procedures