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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 >> Power Main Relay Circuit >> Inspection Procedure
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Inspection Procedure

  1. Check Power Main Relay (Marking: PWR). See  Power Main Relay  . 
    1. NG: Replace power main relay. 
    2. OK: Go to next step. 
  2. Check for harness and connector between power main relay (Marking: PWR) and body ECU, and battery and power main relay. 
    1. NG: Repair or replace harness or connector. 
    2. OK: Proceed to next circuit inspection shown in  PROBLEM SYMPTOMS TABLE  . 
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