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Home >> Lexus >> 2001 >> LS 430 >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Driver Side Junction Block (Body No. 2 Control System) >> Problem Symptoms Table >> Illumination Light System:
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Illumination Light System:

ILLUMINATION LIGHT SYSTEM - PROBLEM SYMPTOMS

Symptom Suspect Area
All switch illumination light does not light up. 1. Power source circuit
2. Rheostat light control volume circuit
3. Driver side J/B ECU
Each switch illumination light does not light up. 1. Illumination light circuit
2. Driver side J/B ECU
Brightness does not change even when rheostat turned. (All) 1. Rheostat light control volume circuit
2. Driver side J/B ECU
Brightness does not change even when rheostat turned. (Meter illumination) 1. Rheostat light control volume circuit
2. Combination meter circuit
3. Driver side J/B ECU
Driver seat belt buckle illumination circuit. 1. Driver buckle illumination circuit
2. Driver side J/B ECU
Glove compartment door light does not light up. 1. Illumination light circuit
2. Driver side J/B ECU
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