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ID Code Box Power Source Circuit: Procedure

  1. CHECK HARNESS AND CONNECTOR (ID CODE BOX - BATTERY AND BODY GROUND) 
    1. Disconnect the F72 box connector.
      Fig 1: Identifying F72 Connector
      GTY227884Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      F72-1 (+B) - Body ground Always 11 to 14 V
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F72-8 (GND) - Body ground Always Below 1 Ω
      TEXT IN ILLUSTRATION

      *a Front view of wire harness connector
      (to ID Code Box)

    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