LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2004 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 482 (Body Control Systems - Diagnostics) >> Circuit Inspection >> Headlight Dimmer Switch Circuit >> Inspection Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check headlight dimmer switch (See  INSPECTION  ). 
    1. NG : Replace headlight dimmer switch. 
    2. OK : Go to next step. 
  2. Check for harness and connector between headlight dimmer switch and passenger side J/B ECU (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
    1. NG : Repair or replace harness and connector. 
    2. OK : Proceed to next circuit inspection shown in problem symptoms table (See  PROBLEM SYMPTOMS TABLE   ).