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Integration Control and Panel Assembly Power Source Circuit: Procedure

  1. INSPECT INTEGRATION CONTROL AND PANEL ASSEMBLY 
    1. Disconnect the integration control and panel assembly connector.
      Fig 1: Identifying J54 Connector Terminals
      GTY277226Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TEXT IN ILLUSTRATION

      *1 Front view of wire harness connector
      (to Integration Control and Panel Assembly)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J54-8 (E) - 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
      J54-14 (B) - J54-8 (E) Always 11 to 14 V
      J54-5 (ACC) - J54-8 (E) Engine switch on (ACC) 11 to 14 V
      J54-4 (IG+) - J54-8 (E) Engine switch on (IG) 11 to 14 V

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → See step   2 

  2. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE