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Home >> Lexus >> 2003 >> GS 430 >> Repair and Diagnosis >> Body & Frame >> Windows >> Troubleshooting (Body Electrical) >> Problem Symptoms Table >> Ignition Switch:
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Ignition Switch:

This system uses the multiplex communication system, so check diagnosis system of the multiplex communication system before you proceed with troubleshooting. Refer to MULTIPLEX COMMUNICATION SYSTEM .

IGNITION SWITCH PROBLEM SYMPTOM

Symptom Suspect Area Action
Ignition switch is not set to each position. 1. Ignition switch INSPECTION
2. Power source circuit -