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Power Source Circuit [09/2015 - ]: Procedure

  1. INSPECT FUSE (STR LOCK) 
    1. Remove the STR LOCK fuse from the main body ECU.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Tester Connection Condition Specified Condition
      STR LOCK fuse Always Below 1 Ω

    Result:  NG

    NG 

    REPLACE FUSE 

    Result:  OK

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (STEERING LOCK ECU - BATTERY) 
    GTY677240Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the L33 steering lock ECU connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage

      Tester Connection Condition Specified Condition
      L33-7 (B) - Body ground Always 11 to 14 V

    Result:  NG

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  OK

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (STEERING LOCK ECU - BODY GROUND) 
    GTY641018Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the L33 steering lock ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance

      Tester Connection Condition Specified Condition
      L33-1 (GND) - Body ground Always Below 1 Ω
      L33-2 (SGND) - Body ground Always Below 1 Ω

    Result:  OK

    OK 

    GO TO STEERING LOCK SYSTEM (PROBLEM SYMPTOMS TABLE) 

    (Refer to PROBLEM SYMPTOMS TABLE [09/2015 - ] )

    Result:  NG

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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