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 sub-assembly (sliding roof ECU) detects a motor malfunction and the sliding roof operation is stopped, DTC B2341 is stored.

When the sliding roof drive gear sub-assembly (sliding roof ECU) detects a gear position malfunction and the sliding roof operation is stopped, DTC B2344 is stored.

DTC No. Detection Item DTC Detection Condition Trouble Area
B2341 Sensor (Motor) Failure Sensor (motor) failure (When the sliding roof drive gear sub-assembly (sliding roof ECU) enters fail-safe mode due to a problem with the motor)

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

  • Map light assembly (slide roof switch)

  • Harness or connector
B2344 Position Failure Position failure (When the sliding roof drive gear sub-assembly (sliding roof ECU) enters fail-safe mode due to a problem with the gear position)

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

  • Map light assembly (slide roof switch)

  • Harness or connector

WIRING DIAGRAM

B002J21E02

CAUTION / NOTICE / HINT

Note


  • If the sliding roof drive gear sub-assembly (sliding roof ECU) is replaced, the sliding roof drive gear sub-assembly (sliding roof ECU) must be initialized.

    Click here

  • The sliding roof system uses the LIN communication system. First, confirm that there are no malfunctions in the LIN communication system. Refer to How to Proceed with Troubleshooting.

    Click here

PROCEDURE


  1. CHECK SLIDING ROOF OPERATION


    1. Check the sliding roof auto operation.

      Click here

      OK
      Auto operation operates normally.
      Result
      Proceed to
      OK
      NG

    NG

    INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY Click here

    OK

  2. CHECK DTC OUTPUT


    1. Clear the DTCs.

      Click here


      Body Electrical > Sliding Roof > Clear DTCs

    2. Check for DTCs.

      Click here


      Body Electrical > Sliding Roof > Trouble Codes
      OK
      DTCs B2341 and B2344 are not output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY Click here

  3. INITIALIZE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY


    1. Check that the sliding roof drive gear sub-assembly (sliding roof ECU) can be initialized.

      Click here

      OK
      Sliding roof drive gear sub-assembly (sliding roof ECU) can be initialized.
      Result
      Proceed to
      OK
      NG

    NG

    PERFORM ACTIVE TEST USING GTS (Slide Roof) Click here

    OK

  4. CHECK DTC OUTPUT


    1. Clear the DTCs.

      Click here


      Body Electrical > Sliding Roof > Clear DTCs

    2. Check for DTCs.

      Click here


      Body Electrical > Sliding Roof > Trouble Codes
      OK
      DTCs B2341 and B2344 are not output.
      Result
      Proceed to
      OK
      NG

    OK

    END (MALFUNCTION DUE TO INITIALIZATION FAILURE)

    NG

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY Click here

  5. PERFORM ACTIVE TEST USING GTS (Slide Roof)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Sliding Roof / Active Test.

    5. Perform the Active Test according to the display on the GTS.


      Body Electrical > Sliding Roof > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Slide Roof Operate sliding roof motor OFF / Opn/Dwn / Clos/Up -

      Body Electrical > Sliding Roof > Active Test
      Tester Display
      Slide Roof
      OK
      Slide roof is operated using GTS.
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY Click here

    OK

  6. READ VALUE USING GTS (Open Switch, Close Switch, Up Switch, Down Switch)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Sliding Roof / Data List.

    5. Read the Data List according to the display on the GTS.


      Body Electrical > Sliding Roof > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Open Switch OPEN switch signal OFF or ON

      OFF: OPEN switch not pressed

      ON: OPEN switch pressed

      		 -
      Close Switch CLOSE switch signal OFF or ON

      OFF: CLOSE switch not pressed

      ON: CLOSE switch pressed

      		 -
      Up Switch UP switch signal OFF or ON

      OFF: UP switch not pressed

      ON: UP switch pressed

      		 -
      Down Switch DOWN switch signal OFF or ON

      OFF: DOWN switch not pressed

      ON: DOWN switch pressed

      		 -

      Body Electrical > Sliding Roof > Data List
      Tester Display
      Open Switch
      Close Switch
      Up Switch
      Down Switch
      OK
      The GTS display changes according to switch operation as shown in the table.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY Click here

    NG

  7. INSPECT MAP LIGHT ASSEMBLY


    1. Remove the map light assembly (slide roof switch).

      Click here

    2. Inspect the map light assembly (slide roof switch).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE MAP LIGHT ASSEMBLY Click here

    OK

  8. CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY - MAP LIGHT ASSEMBLY AND BODY GROUND)


    1. Disconnect the T9 sliding roof drive gear sub-assembly connector.

    2. Disconnect the T6 map light assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      T9-4 (UP) - T6-23 (UP) Always Below 1 Ω
      T9-4 (UP) or T6-23 (UP) - Body ground Always 10 kΩ or higher
      T9-5 (CLS) - T6-12 (CLS) Always Below 1 Ω
      T9-5 (CLS) or T6-12 (CLS) - Body ground Always 10 kΩ or higher
      T9-6 (DWN) - T6-24 (DOWN) Always Below 1 Ω
      T9-6 (DWN) or T6-24 (DOWN) - Body ground Always 10 kΩ or higher
      T9-7 (OPN) - T6-11 (OPN) Always Below 1 Ω
      T9-7 (OPN) or T6-11 (OPN) - Body ground Always 10 kΩ or higher
      T9-12 (E) - Body ground Always Below 1 Ω
      T6-19 (GND) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR