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Home >> Toyota >> 2002 >> 4Runner Base >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Systems - Diagnostics >> Circuit Inspection >> Taillight Relay Circuit >> Inspection Procedure

Inspection Procedure

  1. CHECK HARNESS AND CONNECTOR BETWEEN TAILLIGHT RELAY (MARKING: TAIL) AND BODY ECU  . 
    1. NG Repair or replace harness or connector. 
    2. OK Check and replace body ECU. 
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