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Multi-display Power Source Circuit: Procedure

  1. INSPECT MULTI-DISPLAY 
    1. Disconnect the multi-display connector.
      Fig 1: Identifying Terminals Of Multi-Display Connector
      GTY121402Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J50-10 (GND1) - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      J50-1 (+B1) - J50-10 (GND1) Always 11 to 14 V
      J50-2 (ACC) - J50-10 (GND1) Engine switch on (ACC) 11 to 14 V
      J50-3 (IG) - J50-10 (GND1) Engine switch on (IG) 11 to 14 V

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   2 

  2. PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE 
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