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Home >> Toyota >> 2015 >> Avalon Hybrid Limited >> Repair and Diagnosis >> Restraints >> Seat Belts >> Pre-Collision System - Diagnostic Codes & Circuit Tests - (Hybrid) >> Pre-Collision System >> DTC B2001: Short to GND in Seat Belt Motor RH Circuit [10/2014 - 10/2015] >> Procedure

DTC B2001: Short to GND in Seat Belt Motor RH Circuit [10/2014 - 10/2015]: Procedure

  1. INSPECT FRONT SEAT OUTER BELT ASSEMBLY RH 
    1. Disconnect the K3 front seat outer belt assembly RH connector.
      GTY590459Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      HINT: 

      Do not remove the front seat outer belt assembly RH.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      K3-1 - Body ground Always 1 MΩ or higher
      K3-2 - Body ground Always 1 MΩ or higher
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Front Seat Outer Belt Assembly RH)
      WARNING:

      Do not check the wrong connector.

    Result: 

    NG 

    REPLACE FRONT SEAT OUTER BELT ASSEMBLY RH 

    (Refer to COMPONENTS [10/2014 - 10/2015] )

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (FRONT SEAT OUTER BELT ASSEMBLY RH - SEAT BELT CONTROL ECU) 
    1. Disconnect the D26 seat belt control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      D26-1 (MOR-) - Body ground Always 1 MΩ or higher
      D26-2 (MOR+) - Body ground Always 1 MΩ or higher

    Result: 

    OK 

    REPLACE SEAT BELT CONTROL ECU 

    (Refer to COMPONENTS [10/2014 - 10/2015] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR