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 is stuck for 30 seconds or more.

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

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

  • Sliding roof switch (Roof console box assembly)

  • Wire harness or connector

WIRING DIAGRAM

Refer to DTC B2341 Click here.

INSPECTION PROCEDURE

Note

When the sliding roof ECU (sliding roof drive gear sub-assembly) is removed and reinstalled or replaced, it requires initialization Click here.

PROCEDURE


  1. READ VALUE USING TECHSTREAM (SLIDING ROOF SWITCH)


    1. Connect the Techstream to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the Techstream on.

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

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

      Sliding Roof
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Open Switch Failure(Past) Open switch failure signal (Past)/ON or OFF

      ON: Sliding roof open switch failure signal (Past)

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

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

      ON: Sliding roof close switch failure signal (Past)

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

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

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

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

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

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

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

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

      ON: Sliding roof open switch failure signal (Current)

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

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

      ON: Sliding roof close switch failure signal (Current)

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

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

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

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

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

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

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

      		 -
      OK
      "OFF" appears on the Techstream screen.

    NG

    CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - BODY GROUND) Click here

    OK

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

  2. CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - BODY GROUND)


    1. Disconnect the S4 sliding roof ECU (sliding roof drive gear sub-assembly) connector.

    2. Disconnect the S12 sliding roof switch (roof console box assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      S4-7 (OPN) - Body ground Always 10 kΩ or higher
      S4-6 (DWN) - Body ground Always 10 kΩ or higher
      S4-5 (CLS) - Body ground Always 10 kΩ or higher
      S4-4 (UP) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT SLIDING ROOF SWITCH (ROOF CONSOLE BOX ASSEMBLY)


    1. A01HMS5E01
      Text in Illustration
      *a

      Component without harness connected

      (Sliding Roof Switch (Roof Console Box Assembly))

      Remove the sliding roof switch (roof console box assembly) Click here.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      5 (UP) - 1 (GND) UP switch is pressed Below 1 Ω
      5 (UP) - 1 (GND) UP switch is not pressed 10 kΩ or higher
      4 (DOWN) - 1 (GND) DOWN switch is pressed Below 1 Ω
      4 (DOWN) - 1 (GND) DOWN switch is not pressed 10 kΩ or higher
      3 (OPN) - 1 (GND) OPEN switch is pressed Below 1 Ω
      3 (OPN) - 1 (GND) OPEN switch is not pressed 10 kΩ or higher
      2 (CLS) - 1 (GND) CLOSE switch is pressed Below 1 Ω
      2 (CLS) - 1 (GND) CLOSE switch is not pressed 10 kΩ or higher

    NG

    REPLACE SLIDING ROOF SWITCH (ROOF CONSOLE BOX ASSEMBLY) Click here

    OK

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