Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Toyota >> 2004 >> Sequoia Limited, 4WD >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Systems - Diagnostics >> Circuit Inspection >> Headlight Relay Circuit >> Inspection Procedure

Inspection Procedure

  1. Check HEAD relay (See  INSPECTION  ). 
    1. NG: Replace the HEAD relay. 
    2. OK: Go to next step. 
  2. Check wireharness and connector between HEAD relay and body ECU, battery and HEAD relay (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ). 
    1. NG: Repair or replace wire harness or connector. 
    2. OK: Proceed to next circuit inspection shown on problem symptoms table (See  PROBLEM SYMPTOMS TABLE  ). 
scientia non olet · About Mike's Workshop Manuals