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Front Passenger Side Power Window Switch Power Source Circuit: Procedure

  1. CHECK WIRE HARNESS (MULTIPLEX NETWORK SWITCH) 
    1. Disconnect the P19 connector.
      Fig 1: Identifying P19 Connector Terminals
      GTY119691Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage and resistance according to the value(s) in the table below.

      Standard voltage

      Tester Connection Condition Specified Condition
      P19-12 (BDR) - Body ground Always 10 to 14 V

      Standard resistance

      Tester Connection Condition Specified Condition
      P19-7 (GND) - Body ground Always Below 1 Ω

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

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