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Home >> Lexus >> 2009 >> SC 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Wiper and Washer Systems >> Testing and Inspection >> Component Tests and General Diagnostics >> Wiper And Washer Switch Circuit
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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 detects the state of the wiper and washer switch and sends it to the passenger side junction block ECU.

INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (WIPER AND WASHER SWITCH)
(a) Using the intelligent tester or Techstream, read the Data List.

Turn signal switch (Combination switch)





OK:
ON (wiper and washer switch normal) wiper volume position customized value appears on the screen.
NG -- REPLACE TURN SIGNAL SWITCH ASSEMBLY
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
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