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Inspection Procedure

  1. CHECK WIRE HARNESS (MULTIPLEX NETWORK MASTER SWITCH - BATTERY AND BODY GROUND) 
    1. Disconnect the P22 connector.
    2. Measure the voltage and resistance according to the value(s) in the table below.

    Standard voltage 

    MULTIPLEX NETWORK MASTER SWITCH - BATTERY AND BODY GROUND (VOLTAGE)

    Tester Connection Condition Specified Condition
    P22-9 (CPUB) - Body ground Always 10 to 14 V
    P22-10 (BDR) - Body ground Always 10 to 14 V
    P22-20 (SIG) - Body ground Ignition switch ON 10 to 14 V

    Standard resistance 

    MULTIPLEX NETWORK MASTER SWITCH - BATTERY AND BODY GROUND (RESISTANCE)

    Tester Connection Condition Specified Condition
    P22-2 (GND) - Body ground Always Below 1 Ω
    Fig 1: Identifying P22 Connector Terminals
    G04093179Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG : REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK : PROCEED TO NEXT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

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