PANORAMIC MOON 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 sub-assembly (sliding 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 sub-assembly (sliding roof switch)

  • Harness or connector

WIRING DIAGRAM

B006AAOE02

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

PROCEDURE


  1. CHECK PANORAMIC MOON ROOF OPERATION


    1. Check the panoramic moon 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 engine 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 slide 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 (Vent Switch, Roof Open Switch, Roof Close Switch)


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

      Click here


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

      OFF: Tilt switch not pressed

      ON: Tilt switch pressed

      		 -
      Roof Open Switch OPEN switch signal OFF or ON

      OFF: Slide switch (OPEN) not pressed

      ON: Slide switch (OPEN) pressed

      		 -
      Roof Close Switch CLOSE switch signal OFF or ON

      OFF: Slide switch (CLOSE) not pressed

      ON: Slide switch (CLOSE) pressed

      		 -

      Body Electrical > Sliding Roof > Data List
      Tester Display
      Vent Switch
      Roof Open Switch
      Roof Close 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 SUB-ASSEMBLY


    1. Remove the map light sub-assembly (sliding roof switch).

      Click here

    2. Inspect the map light sub-assembly (sliding roof switch).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE MAP LIGHT SUB-ASSEMBLY Click here

    OK

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


    1. Disconnect the N4 sliding roof drive gear sub-assembly connector.

    2. Disconnect the N7 and N9 map light sub-assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      N4-10 (OPN) - N9-12 (OPN) Always Below 1 Ω
      N4-8 (CLS) - N9-14 (CLS) Always Below 1 Ω
      N4-4 (TILT) - N9-10 (B) Always Below 1 Ω
      N4-2 (E) - Body ground Always Below 1 Ω
      N7-22 (GND) - Body ground Always Below 1 Ω
      N4-10 (OPN) or N9-12 (OPN) - Body ground Always 10 kΩ or higher
      N4-8 (CLS) or N9-14 (CLS) - Body ground Always 10 kΩ or higher
      N4-4 (TILT) or N9-10 (B) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR