Wiper and Washer Switch Circuit

WIPER / WASHER: WIPER AND WASHER SYSTEM (w/ Rain Sensor): 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 windshield wiper ECU.

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

1. 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 SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Wiper and Washer System (w/ Rain Sensor)

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

(a) Disconnect the E16 switch connector.

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

Standard Voltage:

Text in Illustration

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE WINDSHIELD WIPER SWITCH ASSEMBLY Removal