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TC and CG Terminal Circuit: Procedure

  1. CHECK HARNESS AND CONNECTOR (ECU - DLC3) 
    1. Disconnect the D33 ECU connector.
      Fig 1: Checking Harness And Connector (ECU - DLC3)
      GTY202686Courtesy 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
      D33-3 (TC) - D47-13 (TC) Always Below 1 Ω
      D33-3 (TC) - Body ground Always 10 kΩ or higher
      D47-4 (CG) - Body ground Always Below 1 Ω

    NG → REPAIR OR REPLACE HARNESS OR CONNECTOR OR EACH ECU 

    OK → See step   2 

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