ROOF SUNSHADE 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 detects a motor malfunction and the roof sunshade operation is stopped, DTC B2341 is stored.

When the sliding roof drive gear sub-assembly detects a gear position malfunction and the roof sunshade 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 enters fail-safe mode due to a problem with the motor)

  • Sliding roof drive gear sub-assembly

  • Map light assembly

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

  • Sliding roof drive gear sub-assembly

  • Map light assembly

  • Harness or connector

WIRING DIAGRAM

B0056XRE07

CAUTION / NOTICE / HINT

Note


  • When the sliding roof drive gear sub-assembly is removed and reinstalled or replaced, it requires initialization.

    Click here

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

    Click here

PROCEDURE


  1. CHECK ROOF SUNSHADE OPERATION


    1. Check the roof sunshade 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 FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Sliding Roof > Clear DTCs

    2. Check for DTCs.


      Body Electrical > Sliding Roof > Trouble Codes
      OK
      DTC 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 can be initialized.

      Click here

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

    NG

    PERFORM ACTIVE TEST USING GTS Click here

    OK

  4. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Sliding Roof > Clear DTCs

    2. Check for DTCs.


      Body Electrical > Sliding Roof > Trouble Codes
      OK
      DTC 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


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

      Click here


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

      Body Electrical > Sliding Roof > Active Test
      Tester Display
      Slide Roof
      OK
      Sliding roof drive gear sub-assembly operates.
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY Click here

    OK

  6. READ VALUE USING GTS


    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
      Open Switch Open switch signal ON or OFF

      ON: Open switch pressed

      OFF: Open switch not pressed

      		 -
      Close Switch Close switch signal ON or OFF

      ON: Close switch pressed

      OFF: Close switch not pressed

      		 -

      Body Electrical > Sliding Roof > Data List
      Tester Display
      Open Switch
      Close Switch
      OK
      On the GTS screen, ON or OFF is displayed accordingly.
      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.

      Click here

    2. Inspect the map light assembly.

      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
      T9-5 (CLS) - T6-12 (CLS) Always Below 1 Ω
      T9-7 (OPN) - T6-11 (OPN) Always Below 1 Ω
      T9-12 (E) - Body ground Always Below 1 Ω
      T6-19 (GND) - Body ground Always Below 1 Ω
      T9-5 (CLS) or T6-12 (CLS) - Body ground Always 10 kΩ or higher
      T9-7 (OPN) or T6-11 (OPN) - 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