SLIDING ROOF SYSTEM, Diagnostic DTC:B2342

DTC Code DTC Name
B2342 Switch Failure

DESCRIPTION

This DTC is stored when the sliding roof ECU (sliding roof drive gear sub-assembly) detects that the sliding roof switch (map light assembly) is stuck for 30 seconds or more.

DTC No. Detection Item DTC Detection Condition Trouble Area
B2342 Switch Failure Sliding roof ECU (sliding roof drive gear sub-assembly) detects sliding roof switch (map light assembly) is stuck for 30 seconds or more.

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

  • Sliding roof switch (Map light assembly)

  • Wire harness or connector

WIRING DIAGRAM

Refer to DTC B2341.

Click here

CAUTION / NOTICE / HINT

Note


  • If the sliding roof ECU (sliding roof drive gear sub-assembly) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear sub-assembly) 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. READ VALUE USING GTS


    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 Failure(Past) Open switch failure signal (Past) OFF or ON

      OFF: No sliding roof open switch failure signal (Past)

      ON: Sliding roof open switch failure signal (Past)

      		 -
      Close Switch Failure(Past) Close switch failure signal (Past) OFF or ON

      OFF: No sliding roof close switch failure signal (Past)

      ON: Sliding roof close switch failure signal (Past)

      		 -
      Up Switch Failure(Past) Up switch failure signal (Past) OFF or ON

      OFF: No sliding roof tilt up switch failure signal (Past)

      ON: Sliding roof tilt up switch failure signal (Past)

      		 -
      Down Switch Failure(Past) Down switch failure signal (Past) OFF or ON

      OFF: No sliding roof tilt down switch failure signal (Past)

      ON: Sliding roof tilt down switch failure signal (Past)

      		 -
      Open Switch Failure(Current) Open switch failure signal (Current) OFF or ON

      OFF: No sliding roof open switch failure signal (Current)

      ON: Sliding roof open switch failure signal (Current)

      		 -
      Close Switch Failure(Current) Close switch failure signal (Current) OFF or ON

      OFF: No sliding roof close switch failure signal (Current)

      ON: Sliding roof close switch failure signal (Current)

      		 -
      Up Switch Failure(Current) Up switch failure signal (Current) OFF or ON

      OFF: No sliding roof tilt up switch failure signal (Current)

      ON: Sliding roof tilt up switch failure signal (Current)

      		 -
      Down Switch Failure(Current) Down switch failure signal (Current) OFF or ON

      OFF: No sliding roof tilt down switch failure signal (Current)

      ON: Sliding roof tilt down switch failure signal (Current)

      		 -

      Body Electrical > Sliding Roof > Data List
      Tester Display
      Open Switch Failure(Past)
      Close Switch Failure(Past)
      Up Switch Failure(Past)
      Down Switch Failure(Past)
      Open Switch Failure(Current)
      Close Switch Failure(Current)
      Up Switch Failure(Current)
      Down Switch Failure(Current)
      OK
      OFF appears on the GTS screen.
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

  2. CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) - BODY GROUND)


    1. Disconnect the S5 sliding roof ECU (sliding roof drive gear sub-assembly) connector.

    2. Disconnect the S3 sliding roof switch (map light assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      S5-7 (OPN) - Body ground Always 10 kΩ or higher
      S5-5 (CLS) - Body ground Always 10 kΩ or higher
      S5-6 (DWN) - Body ground Always 10 kΩ or higher
      S5-4 (UP) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY)


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

      Click here

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

      Click here

      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPLACE SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY) Click here