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Inspection Procedure

  1. CHECK WIRE HARNESS (MULTIPLEX NETWORK MASTER SWITCH - BATTERY AND BODY GROUND) 
    1. Disconnect the P5 connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.

      Standard voltage 

    STANDARD VOLTAGE REFERENCE

    Tester Connection Condition Specified Condition
    P5-9 (CPUB) - Body ground Always 10 to 14 V
    P5-10 (BDR) - Body ground Always 10 to 14 V
    P5-20 (SIG) - Body ground Ignition switch ON 10 to 14 V

    Standard resistance 

    STANDARD RESISTANCE REFERENCE

    Tester Connection Condition Specified Condition
    P5-2 (GND) - Body ground Always Below 1 Ω
    Fig 1: Identifying P5 Connector Terminals
    G04445347Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

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

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