Illumination Light System

2004 Toyota Matrix XR, FWD, StandardSECTION 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 and courtesy switch circuit
  2. Passenger door ECU
  1. DOOR COURTESY LIGHT AND COURTESY SWITCH CIRCUITΒ 
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Outer foot light does not light up (in outer mirror).
  1. Outer foot light circuit
  2. Passenger door ECU
  1. OUTER FOOT LIGHT CIRCUITΒ 
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
Inside handle illumination does not light up.
  1. Inside handle illumination circuit
  2. Passenger door ECU
  1. INSIDE HANDLE ILLUMINATION CIRCUITΒ 
  2. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
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  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.