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Home >> Toyota >> 2004 >> Tacoma Base, 4D Pickup >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Systems - Diagnostics >> Circuit Inspection >> Taillight Relay Circuit >> Inspection Procedure

Inspection Procedure

  1. Check Taillight Relay. See  TAILLIGHT RELAY  . 
    1. NG: Replace taillight relay. 
    2. OK: Go to next step. 
  2. Check for harness and connector between taillight relay and body ECU, and battery and taillight relay. See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  . 
    1. NG: Repair or replace harness or connector. 
    2. OK: Proceed to next circuit inspection shown in  PROBLEM SYMPTOMS TABLE  .