SLIDING ROOF SYSTEM, Diagnostic DTC:B2341, B2344

DTC Code DTC Name
B2341 Sensor (Motor) Failure
B2344 Position Failure

DESCRIPTION

When the sliding roof drive gear (sliding roof ECU) detects the motor malfunction, and the sliding roof operation is stopped, DTC B2341 is output. When the sliding roof drive gear (sliding roof ECU) detects the gear malfunction, and the sliding roof operation is stopped, DTC B2344 is output.

DTC No. DTC Detection Condition Trouble Area
B2341 Sensor (motor) failure

  • Sliding roof drive gear sub-assembly (sliding roof ECU)

  • Map light assembly (sliding roof switch)

  • Wire harness
B2344 Position failure

  • Sliding roof drive gear sub-assembly (sliding roof ECU)

  • Map light assembly (sliding roof switch)

  • Wire harness

WIRING DIAGRAM

A001ECLE12

PROCEDURE


  1. CHECK SLIDING ROOF FUNCTION


    1. Check the AUTO operation with the switch Click here.

      OK
      AUTO operation operates normally.

    NG

    PERFORM INITIALIZATION (SLIDING ROOF DRIVE GEAR) Click here

    OK

  2. DELETE DTC


    1. Delete the DTC Click here.


    NEXT

    END

  3. PERFORM INITIALIZATION (SLIDING ROOF DRIVE GEAR)


    1. Check that the sliding roof drive gear can be initialized Click here.

      OK
      Sliding roof drive gear can be initialized.

    NG

    CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR - MAP LIGHT) Click here

    OK

  4. CHECK SLIDING ROOF FUNCTION


    1. Check the AUTO operation with the switch Click here.

      OK
      AUTO operation operates normally.

    NG

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) Click here

    OK

  5. DELETE DTC


    1. Delete the DTC Click here.


    NEXT

    END

  6. CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR - MAP LIGHT)

    A001CMYE01
    *1 Front view of wire harness connector: (to Sliding Roof Drive Gear)
    *2 Front view of wire harness connector: (to Map Light)
    *3 UP
    *4 DOWN

    1. Disconnect the X5 drive gear connector.

    2. Disconnect the X4 and X6 map light connectors.

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

      Standard resistance
      Tester Connection Condition Specified Condition
      X5-10 (UP) - X4-24 (UP) Always Below 1 Ω
      X5-8 (DWN) - X4-23 (DOWN) Always Below 1 Ω
      X5-7 (OPN) - X6-3 (OPN) Always Below 1 Ω
      X5-9 (CLS) - X6-12 (CLS) Always Below 1 Ω
      X4-16 (GND9) - Body ground Always Below 1 Ω
      X5-2 (E) - Body ground Always Below 1 Ω
      X5-10 (UP) or X4-24 (UP) - Body ground Always 10 kΩ or higher
      X5-8 (DWN) or X4-23 (DOWN) - Body ground Always 10 kΩ or higher
      X5-7 (OPN) or X6-3 (OPN) - Body ground Always 10 kΩ or higher
      X5-9 (CLS) or X6-12 (CLS) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. INSPECT MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH)

    A001DBQE06

    1. Remove the map light for standard body (see page ) or long body Click here.

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

      Standard resistance
      Tester Connection Switch Condition Specified Condition
      A-24 (UP) - A-16 (GND9) TILT UP Below 1 Ω
      A-24 (UP) - A-16 (GND9) Off 10 kΩ or higher
      A-23 (DOWN) - A-16 (GND9) TILT DOWN Below 1 Ω
      A-23 (DOWN) - A-16 (GND9) Off 10 kΩ or higher
      B-3 (OPN) - A-16 (GND9) SLIDE OPEN Below 1 Ω
      B-3 (OPN) - A-16 (GND9) Off 10 kΩ or higher
      B-12 (CLS) - A-16 (GND9) SLIDE CLOSE Below 1 Ω
      B-12 (CLS) - A-16 (GND9) Off 10 kΩ or higher
      Result
      Result Proceed to
      OK A
      NG (for Standard Body) B
      NG (for Long Body) C

    A

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU) Click here

    B

    REPLACE MAP LIGHT ASSEMBLY (SLIDING ROOF SWITCH) Click here

    C

    REPLACE MAP LIGHT ASSEMBLY Click here