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ID Code Box Power Source Circuit: Procedure

  1. INSPECT ID CODE BOX 
    1. Disconnect the ID Code Box Power Source Circuit.
      Fig 1: Identifying ID Code Box Power Source Circuit Connector Terminals
      GTY296485Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the voltage according to the value(s) in the table below.

      Voltage

      Tester Connection Condition Specified Condition
      D29-1 (MPXB) - Body ground Always 10 to 14 V
    3. Measure the resistance according to the value(s) in the table below.

      Resistance

      Tester Connection Condition Specified Condition
      D29-8 (GND) - Body ground Always Below 1 Ω

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK → PROCEED TO  PROBLEM SYMPTOMS TABLE  NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE