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Inspection Procedure

  1. CHECK WIRE HARNESS (POWER WINDOW ECU - BATTERY AND BODY GROUND) 
    Fig 1: Checking Wire Harness (Power Window ECU - Battery And Body Ground)
    G05253592Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the power window ECU connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.

      Standard voltage 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Condition Specified Condition
      2 (B) - Body ground Engine switch on (IG) 10 to 14 V

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Condition Specified Condition
      1 (E) - Body ground Always Below 1 Ω

    NG: REPAIR OR REPLACE FUSE, HARNESS OR CONNECTOR 

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE