Dtc B2001 Short To Gnd In Seat Belt Motor Rh Circuit

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Pre-Crash Safety. Land Cruiser. Urj200, 202 Grj200 Vdj200

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK SEAT BELT CONTROL ECU

CHECK HARNESS AND CONNECTOR (FRONT SEAT OUTER BELT - SEAT BELT CONTROL ECU)

DTC B2001 Short to GND in Seat Belt Motor RH Circuit

DTC B2006 Short to GND in Seat Belt Motor LH Circuit


DESCRIPTION

The seat belt control ECU receives information from the master cylinder solenoid (skid control ECU) via the CAN communication line and tightens the seat belt by operating the motor in the front seat outer belt assembly RH or LH.

DTC Code
DTC Detection Condition
Trouble Area
B2001
  1. Short to ground in seat belt motor RH circuit continues for 1 second or more.
  2. Short in seat belt motor RH circuit.
  1. Front seat outer belt assembly RH
  2. Harness or connector
  3. Seat belt control ECU
B2006
  1. Short to ground in seat belt motor LH circuit continues for 1 second or more.
  2. Short in seat belt motor LH circuit.
  1. Front seat outer belt assembly LH
  2. Harness or connector
  3. Seat belt control ECU

WIRING DIAGRAM


Land Cruiser. Urj200, 202 Grj200 Vdj200.Pre-Crash Safety.Pre-Crash Safety System. Dtc B2001 Short To Gnd In Seat Belt Motor Rh Circuit


Land Cruiser. Urj200, 202 Grj200 Vdj200.Pre-Crash Safety.Pre-Crash Safety System. Dtc B2001 Short To Gnd In Seat Belt Motor Rh Circuit


INSPECTION PROCEDURE

CAUTION:
The pretensioner is built into the front seat outer belt assembly. 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.
1.CHECK SEAT BELT CONTROL ECU


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Pre-Crash Safety.Pre-Crash Safety System. Dtc B2001 Short To Gnd In Seat Belt Motor Rh Circuit

  1. Disconnect the E41 seat belt control ECU connector.

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

    Standard Resistance:
    for LH
    Tester Connection
    		Condition
    		Specified Condition
    E41-3 (MOL+) - Body ground
    		Always
    		1 MΩ or higher
    E41-4 (MOL-) - Body ground
    for RH
    Tester Connection
    		Condition
    		Specified Condition
    E41-1 (MOR-) - Body ground
    		Always
    		1 MΩ or higher
    E41-2 (MOR+) - Body ground
    Result
    Result
    		Proceed to
    OK
    (for LHD)
    		A
    OK
    (for RHD)
    		B
    NG
    		C


B
REPLACE SEAT BELT CONTROL ECU (Click here)

C
Go to step 2
A

REPLACE SEAT BELT CONTROL ECU (Click here)

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


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Pre-Crash Safety.Pre-Crash Safety System. Dtc B2001 Short To Gnd In Seat Belt Motor Rh Circuit

  1. Disconnect the E41 seat belt control ECU connector.

  1. Disconnect the K11*1 or L5*2 front seat outer belt connector.

    HINT:
    1. *1: for LH
    2. *2: for RH

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

    Standard Resistance:
    for LH
    Tester Connection
    		Condition
    		Specified Condition
    K11-1 (MOL+) - Body ground
    		Always
    		1 MΩ or higher
    K11-2 (MOL-) - Body ground
    for RH
    Tester Connection
    		Condition
    		Specified Condition
    L5-1 (MOR+) - Body ground
    		Always
    		1 MΩ or higher
    L5-2 (MOR-) - Body ground
    Result
    Result
    		Proceed to
    OK
    (for DTC B2001)
    		A
    OK
    (for DTC B2006)
    		B
    NG
    		C


B
REPLACE FRONT SEAT OUTER BELT ASSEMBLY LH (Click here)

C
REPAIR OR REPLACE HARNESS OR CONNECTOR
A

REPLACE FRONT SEAT OUTER BELT ASSEMBLY RH (Click here)