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Inspection Procedure

  1. INSPECT MULTI-DISPLAY 
    1. Measure the voltage according to the value(s) in the table below.

    Voltage 

    TERMINALS VOLTAGE SPECIFICATION

    Tester connection Condition Specified Condition
    MACC - Body ground Ignition SW ACC 4 to 6 V
    Fig 1: Disconnecting Multi-Display Connector M4
    G04093029Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE MULTI-DISPLAY 

    OK: Go to next step. 

  2. CHECK HARNESS AND CONNECTOR (OVERHEAD J/B - MULTI-DISPLAY) 
    1. Disconnect the overhead J/B connector O2 and multi-display connector M4.
    2. Measure the resistance according to the value(s) in the table below.

    Resistance 

    TERMINALS RESISTANCE SPECIFICATION

    Tester connection Condition Specified Condition
    ACC - MACC Always Below 1 Ω
    MI1+ - MIC+ Always Below 1 Ω
    MIC- - MIC- Always Below 1 Ω
    ACC - Body ground Always 10 kΩ or higher
    MI1+ - Body ground Always 10 kΩ or higher
    MIC- - Body ground Always 10 kΩ or higher
    Fig 2: Disconnecting Overhead J/B Connector O2 And Multi-Display Connector M4
    G04093030Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: RETURN TO THE ORIGINAL INSPECTION FLOW BECAUSE THE CHECK RESULT IS NORMAL 

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