Dtc B2002 Open 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

INSPECT SEAT BELT CONTROL ECU

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

DTC B2002 Open in Seat Belt Motor RH Circuit

DTC B2007 Open 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
B2002
Open in the seat belt motor RH circuit continues for 1 second or more.
  1. Front seat outer belt assembly RH
  2. Harness or connector
  3. Seat belt control ECU
B2007
Open in the seat belt motor LH circuit continues for 1 second or more.
  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
  B2002  Open In Seat Belt Motor Rh Circuit


Land Cruiser. Urj200, 202 Grj200 Vdj200.Pre-Crash Safety.Pre-Crash Safety System.
Dtc
  B2002  Open 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.INSPECT SEAT BELT CONTROL ECU


    Land Cruiser. Urj200, 202 Grj200 Vdj200.Pre-Crash Safety.Pre-Crash Safety System.
Dtc
  B2002  Open 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+) - E41-4 (MOL-)
    Always
    Below 100 Ω
    for RH
    Tester Connection
    Condition
    Specified Condition
    E41-1 (MOR-) - E41-2 (MOR+)
    Always
    Below 100 Ω
    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
  B2002  Open 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. Using a service wire, connect K11-1*1 and K11-2*1 or L5-1*2 and L5-2*2 of the connector on the front seat outer belt assembly.

    NOTICE:
    Do not forcibly insert the service wire into the terminals of the 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+) - E41-4 (MOL-)
    Always
    Below 1 Ω
    for RH
    Tester Connection
    Condition
    Specified Condition
    E41-1 (MOR-) - E41-2 (MOR+)
    Always
    Below 1 Ω
    Result
    Result
    Proceed to
    OK
    (for DTC B2002)
    A
    OK
    (for DTC B2007)
    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)