LEMON Manuals
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2002
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SC 430
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Repair and Diagnosis
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Section 443 (Combination Switch Control System - Diagnosis)
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Problem Symptoms Table
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Turn Signal Light System:
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Turn Signal Light System:
WARNING:
This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
TURN SIGNAL LIGHT SYSTEM
Symptom
Suspect Area
See Section
Turn signal light does not light up.
Turn signal light circuit
Light control switch circuit
Combination switch
Front light ECU
Driver side J/B ECU
CIRCUIT INSPECTION
LIGHT CONTROL SWITCH CIRCUIT
HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE