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Home › Lexus › 2002 › LX 470 › Repair and Diagnosis › External Pages › Different car › Section 249 (Rear Left Door Control System - Diagnosis) › Problem Symptoms Table › Illumination Light System:

Illumination 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.
PROBLEM SYMPTOMS

Symptom Suspect Area See Section
Door courtesy light does not light up.
  1. Door courtesy light circuit
  2. Door courtesy switch circuit
  3. Rear door LH ECU
  1. DOOR COURTESY LIGHT AND COURTESY SWITCH CIRCUIT 
  2. DOOR COURTESY LIGHT AND COURTESY SWITCH CIRCUIT 
  3. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Ashtray light does not light up.
  1. Ashtray light circuit
  2. Rear door LH ECU
  1. ASHTRAY LIGHT CIRCUIT 
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Inside handle illumination does not light up.
  1. Inside handle illumination light circuit
  2. Rear door LH ECU
  1. INSIDE HANDLE ILLUMINATION CIRCUIT 
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
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