PRE-CRASH SAFETY SYSTEM, Diagnostic DTC:B2006

DTC Code DTC Name
B2006 Short to GND in Seat Belt Motor LH Circuit

DESCRIPTION

Refer to DTC B2005 Click here.

DTC No. DTC Detection Condition Trouble Area
B2006 Short to ground in the seat belt motor LH circuit continues for 1 second or more.

  • Front seat outer belt assembly LH

  • Wire harness or connector (seat belt control ECU - front seat outer belt assembly LH)

  • Seat belt control ECU

WIRING DIAGRAM

Refer to DTC B2005 Click here.

INSPECTION PROCEDURE

CAUTION:

The pretensioner is built into the front seat outer belt assembly LH. Be sure to follow the correct inspection procedure, as failure to follow the correct procedure (such as inspection of incorrect connectors) may deploy the pretensioner.

PROCEDURE


  1. INSPECT FRONT SEAT OUTER BELT ASSEMBLY LH


    1. A01G5K8E08
      Text in Illustration
      *a

      Component without harness connected

      (Front Seat Outer Belt Assembly LH)

      Disconnect the P21 front seat outer belt assembly LH connector.

      Tech Tips

      Do not remove the front seat outer belt assembly LH.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P21-1 - Body ground Always 1 MΩ or higher
      P21-2 - Body ground Always 1 MΩ or higher

      CAUTION:

      Do not check the wrong connector.


    NG

    REPLACE FRONT SEAT OUTER BELT ASSEMBLY LH Click here

    OK

  2. CHECK HARNESS AND CONNECTOR (FRONT SEAT OUTER BELT ASSEMBLY LH - SEAT BELT CONTROL ECU)


    1. Disconnect the H77 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
      H77-3 (MOL+) - Body ground Always 1 MΩ or higher
      H77-4 (MOL-) - Body ground Always 1 MΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR (FRONT SEAT OUTER BELT ASSEMBLY LH - SEAT BELT CONTROL ECU)

    OK

    REPLACE SEAT BELT CONTROL ECU Click here