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TC and CG Terminal Circuit [11/2015 - ]: Procedure

  1. CHECK WIRE HARNESS (TC OF DLC3 - TC OF HYBRID VEHICLE CONTROL ECU) 
    1. Turn the ignition switch off.
      GTY690241Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the connector from the hybrid vehicle control ECU.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G4-13 (TC) - G58-28 (TC) Always Below 1 Ω
      TEXT IN ILLUSTRATION

      *1 DLC3
      *a Front view of wire harness connector
      (to Hybrid Vehicle Control ECU)

    Result: 

    NG 

    REPAIR OR REPLACE WIRE HARNESS 

    Result: 

    OK 

    See step  2

  2. CHECK WIRE HARNESS (CG OF DLC3 - BODY GROUND) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY712533Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      G4-4 (CG) - Body ground Always Below 1 Ω
      TEXT IN ILLUSTRATION

      *1 DLC3

    Result: 

    NG 

    REPAIR OR REPLACE WIRE HARNESS 

    Result: 

    OK 

    See step  3

  3. CHECK WIRE HARNESS (TC OF DLC3 - BODY GROUND) 
    1. Measure the resistance according to the value(s) in the table below.
      GTY737922Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Standard Resistance

      Tester Connection Condition Specified Condition
      G4-13 (TC) - Body ground Always 1 MΩ or higher
      TEXT IN ILLUSTRATION

      *1 DLC3

    Result: 

    OK 

    REPLACE AIRBAG SENSOR ASSEMBLY 

    (Refer to REMOVAL [11/2015 - ] )

    Result: 

    NG 

    REPAIR OR REPLACE WIRE HARNESS OR REPLACE EACH ECU