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Home >> Lexus >> 2010 >> SC 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Lighting and Horns >> Testing and Inspection >> Component Tests and General Diagnostics >> Lighting System >> Light Control Switch Circuit
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Light Control Switch Circuit





LIGHTING: LIGHTING SYSTEM: Light Control Switch Circuit
- Light Control Switch Circuit

DESCRIPTION

This circuit detects the state of the turn signal switch (combination switch) switch and sends it to the driver side junction block ECU.

INSEPCTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (COMBINATION SWITCH)

(a) Check the DATA LIST for proper functioning of the combination switch.

Combination Switch





OK:

ON (switch normal position) 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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