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Inspection Procedure

  1. CHECK WIRE HARNESS (MULTIPLEX NETWORK SWITCH - BATTERY AND BODY GROUND) 
    1. Disconnect the P20 connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.

      Standard voltage 

      TESTER CONNECTION SPECIFIED CONDITION REFERENCE CHART

      Tester Connection Condition Specified Condition
      P20-12 (BDR) - Body ground Always 10 to 14 V

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION REFERENCE CHART

      Tester Connection Condition Specified Condition
      P20-7 (GND) - Body ground Always Below 1 Ω
      Fig 1: Identifying P20 Connector Terminals
      G05274250Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: PROCEED TO NEXT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE