PANORAMIC MOON 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 assembly) or roof sunshade ECU (sliding roof drive gear assembly) detects that the panoramic moon roof switch (roof console box sub-assembly) is stuck for 30 seconds or more.

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

  • Sliding roof ECU (Sliding roof drive gear assembly)

  • Panoramic moon roof switch (Roof console box sub-assembly)

  • Wire harness or connector
Sliding Sunshade
DTC No. Detection Item DTC Detection Condition Trouble Area
B2342 Switch Failure Roof sunshade ECU (sliding roof drive gear assembly) detects panoramic moon roof switch (roof console box sub-assembly) is stuck for 30 seconds or more.

  • Roof sunshade ECU (Sliding roof drive gear assembly)

  • Panoramic moon roof switch (Roof console box sub-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 assembly) or roof sunshade ECU (sliding roof drive gear assembly) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear assembly) or roof sunshade ECU (sliding roof drive gear assembly) must be initialized.

    Click here

  • The panoramic moon 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

  • DTC B2342 is stored in the sliding roof ECU (sliding roof drive gear assembly) and roof sunshade ECU (sliding roof drive gear assembly).

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.


      Body Electrical > Sliding Roof > Clear DTCs
      Body Electrical > Sliding Sunshade > Clear DTCs

    2. Check for DTCs.


      Body Electrical > Sliding Roof > Trouble Codes
      Body Electrical > Sliding Sunshade > Trouble Codes
      OK
      DTC B2342 is not output.
      Result
      Proceed to
      OK
      NG

    OK

    END (DUE TO SWITCH BEING OPERATED FOR 30 SECONDS OR MORE)

    NG

  2. CHECK DTC OUTPUT


    1. Check the parts from which this DTC has been output.

      Result
      Result Proceed to
      DTC output from sliding roof ECU (sliding roof drive gear assembly) A
      DTC output from roof sunshade ECU (sliding roof drive gear assembly) B

    B

    READ VALUE USING GTS (SLIDING SUNSHADE) Click here

    A

  3. READ VALUE USING GTS (SLIDING ROOF)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    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
      Current Roof Open Switch Stuck ON Sliding roof open switch stuck signal (Current) OFF or ON

      OFF: No sliding roof switch stuck signal (Current)

      ON: Sliding roof switch stuck signal (Current)

      		 -
      Current Roof Close Switch Stuck ON Sliding roof close switch stuck signal (Current) OFF or ON

      OFF: No sliding roof switch stuck signal (Current)

      ON: Sliding roof switch stuck signal (Current)

      		 -
      Current Shade Close Switch Stuck ON Roof sunshade close switch stuck signal (Current) OFF or ON

      OFF: No roof sunshade switch stuck signal (Current)

      ON: Roof sunshade switch stuck signal (Current)

      		 -
      Current Shade Open Switch Stuck ON Roof sunshade open switch stuck signal (Current) OFF or ON

      OFF: No roof sunshade switch stuck signal (Current)

      ON: Roof sunshade switch stuck signal (Current)

      		 -
      Past Roof Open Switch Stuck ON Sliding roof open switch stuck signal (Past) OFF or ON

      OFF: No sliding roof switch stuck signal (Past)

      ON: Sliding roof switch stuck signal (Past)

      		 -
      Past Roof Close Switch Stuck ON Sliding roof close switch stuck signal (Past) OFF or ON

      OFF: No sliding roof switch stuck signal (Past)

      ON: Sliding roof switch stuck signal (Past)

      		 -
      Past Shade Close Switch Stuck ON Roof sunshade close switch stuck signal (Past) OFF or ON

      OFF: No roof sunshade switch stuck signal (Past)

      ON: Roof sunshade switch stuck signal (Past)

      		 -
      Past Shade Open Switch Stuck ON Roof sunshade open switch stuck signal (Past) OFF or ON

      OFF: No roof sunshade switch stuck signal (Past)

      ON: Roof sunshade switch stuck signal (Past)

      		 -
      Current Vent Switch Stuck ON Tilt switch stuck signal (Current) OFF or ON

      OFF: No tilt switch stuck signal (Current)

      ON: Tilt switch stuck signal (Current)

      		 -
      Past Vent Switch Stuck ON Tilt switch stuck signal (Past) OFF or ON

      OFF: No tilt switch stuck signal (Past)

      ON: Tilt switch stuck signal (Past)

      		 -

      Body Electrical > Sliding Roof > Data List
      Tester Display
      Current Roof Open Switch Stuck ON
      Current Roof Close Switch Stuck ON
      Current Shade Close Switch Stuck ON
      Current Shade Open Switch Stuck ON
      Past Roof Open Switch Stuck ON
      Past Roof Close Switch Stuck ON
      Past Shade Close Switch Stuck ON
      Past Shade Open Switch Stuck ON
      Current Vent Switch Stuck ON
      Past Vent Switch Stuck ON
      OK
      OFF appears on the GTS screen.
      Result
      Proceed to
      OK
      NG

    OK

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

    NG

  4. CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) - PANORAMIC MOON ROOF SWITCH (ROOF CONSOLE BOX SUB-ASSEMBLY))


    1. Disconnect the q1 sliding roof ECU (sliding roof drive gear assembly) connector.

    2. Disconnect the V14 panoramic moon roof switch (roof console box sub-assembly) connector.

    3. Disconnect the q2 roof sunshade ECU (sliding roof drive gear assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      q1-10 (ROOF OPEN) or V14-5 (OPN) - Body ground Always 10 kΩ or higher
      q1-8 (ROOF CLOSE) or V14-4 (CLS) - Body ground Always 10 kΩ or higher
      q1-4 (VENT) or V14-19 (B) - Body ground Always 10 kΩ or higher
      q1-5 (SHADE OPEN) or V14-3 (UP) - Body ground Always 10 kΩ or higher
      q1-9 (SHADE CLOSE) or V14-18 (DOWN) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. INSPECT PANORAMIC MOON ROOF SWITCH (ROOF CONSOLE BOX SUB-ASSEMBLY)


    1. Remove the panoramic moon roof switch (roof console box sub-assembly).

      Click here

    2. Inspect the panoramic moon roof switch (roof console box sub-assembly).

      Click here

      Result
      Proceed to
      OK
      NG

    OK

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

    NG

    REPLACE PANORAMIC MOON ROOF SWITCH (ROOF CONSOLE BOX SUB-ASSEMBLY) Click here

  6. READ VALUE USING GTS (SLIDING SUNSHADE)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

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

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


      Body Electrical > Sliding Sunshade > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Current Roof Open Switch Stuck ON Sliding roof open switch stuck signal (Current) OFF or ON

      OFF: No sliding roof switch stuck signal (Current)

      ON: Sliding roof switch stuck signal (Current)

      		 -
      Current Roof Close Switch Stuck ON Sliding roof close switch stuck signal (Current) OFF or ON

      OFF: No sliding roof switch stuck signal (Current)

      ON: Sliding roof switch stuck signal (Current)

      		 -
      Current Shade Close Switch Stuck ON Roof sunshade close switch stuck signal (Current) OFF or ON

      OFF: No roof sunshade switch stuck signal (Current)

      ON: Roof sunshade switch stuck signal (Current)

      		 -
      Current Shade Open Switch Stuck ON Roof sunshade open switch stuck signal (Current) OFF or ON

      OFF: No roof sunshade switch stuck signal (Current)

      ON: Roof sunshade switch stuck signal (Current)

      		 -
      Past Roof Open Switch Stuck ON Sliding roof open switch stuck signal (Past) OFF or ON

      OFF: No sliding roof switch stuck signal (Past)

      ON: Sliding roof switch stuck signal (Past)

      		 -
      Past Roof Close Switch Stuck ON Sliding roof close switch stuck signal (Past) OFF or ON

      OFF: No sliding roof switch stuck signal (Past)

      ON: Sliding roof switch stuck signal (Past)

      		 -
      Past Shade Close Switch Stuck ON Roof sunshade close switch stuck signal (Past) OFF or ON

      OFF: No roof sunshade switch stuck signal (Past)

      ON: Roof sunshade switch stuck signal (Past)

      		 -
      Past Shade Open Switch Stuck ON Roof sunshade open switch stuck signal (Past) OFF or ON

      OFF: No roof sunshade switch stuck signal (Past)

      ON: Roof sunshade switch stuck signal (Past)

      		 -
      Current Vent Switch Stuck ON Tilt switch stuck signal (Current) OFF or ON

      OFF: No tilt switch stuck signal (Current)

      ON: Tilt switch stuck signal (Current)

      		 -
      Past Vent Switch Stuck ON Tilt switch stuck signal (Past) OFF or ON

      OFF: No tilt switch stuck signal (Past)

      ON: Tilt switch stuck signal (Past)

      		 -

      Body Electrical > Sliding Sunshade > Data List
      Tester Display
      Current Roof Open Switch Stuck ON
      Current Roof Close Switch Stuck ON
      Current Shade Close Switch Stuck ON
      Current Shade Open Switch Stuck ON
      Past Roof Open Switch Stuck ON
      Past Roof Close Switch Stuck ON
      Past Shade Close Switch Stuck ON
      Past Shade Open Switch Stuck ON
      Current Vent Switch Stuck ON
      Past Vent Switch Stuck ON
      OK
      OFF appears on the GTS screen.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) Click here

    NG

  7. CHECK HARNESS AND CONNECTOR (ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) - PANORAMIC MOON ROOF SWITCH (ROOF CONSOLE BOX SUB-ASSEMBLY))


    1. Disconnect the q2 roof sunshade ECU (sliding roof drive gear assembly) connector.

    2. Disconnect the V14 panoramic moon roof switch (roof console box sub-assembly) connector.

    3. Disconnect the q1 sliding roof ECU (sliding roof drive gear assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      q2-10 (ROOF OPEN) or V14-5 (OPN) - Body ground Always 10 kΩ or higher
      q2-8 (ROOF CLOSE) or V14-4 (CLS) - Body ground Always 10 kΩ or higher
      q2-4 (VENT) or V14-19 (B) - Body ground Always 10 kΩ or higher
      q2-5 (SHADE OPEN) or V14-3 (UP) - Body ground Always 10 kΩ or higher
      q2-9 (SHADE CLOSE) or V14-18 (DOWN) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. INSPECT PANORAMIC MOON ROOF SWITCH (ROOF CONSOLE BOX SUB-ASSEMBLY)


    1. Remove the panoramic moon roof switch (roof console box sub-assembly).

      Click here

    2. Inspect the panoramic moon roof switch (roof console box sub-assembly).

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) Click here

    NG

    REPLACE PANORAMIC MOON ROOF SWITCH (ROOF CONSOLE BOX SUB-ASSEMBLY) Click here