SLIDING ROOF SYSTEM, Diagnostic DTC:B2342

DTC Code DTC Name
B2342 Switch Failure

DESCRIPTION

This DTC is stored when the sliding roof drive gear assembly (sliding roof ECU) detects that the map light assembly (slide roof switch) or integration control and panel assembly (slide roof switch) is stuck for 30 seconds or more.

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

  • Sliding roof drive gear assembly

  • Map light assembly

  • Integration control and panel assembly

  • Harness or connector

WIRING DIAGRAM

B006RH7E02

CAUTION / NOTICE / HINT

Note


  • If the sliding roof drive gear assembly (sliding roof ECU) is replaced, the sliding roof drive gear assembly (sliding roof ECU) must be initialized.

    Click here

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

    Click here

PROCEDURE


  1. READ VALUE USING GTS (Switch Failure [Past / Current])


    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 / 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 OPEN switch failure signal (Past)

      ON: OPEN switch failure signal (Past)

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

      OFF: No CLOSE switch failure signal (Past)

      ON: CLOSE switch failure signal (Past)

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

      OFF: No OPEN switch failure signal (Current)

      ON: OPEN switch failure signal (Current)

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

      OFF: No CLOSE switch failure signal (Current)

      ON: CLOSE switch failure signal (Current)

      		 -

      Body Electrical > Sliding Roof > Data List
      Tester Display
      Open Switch Failure(Past)
      Close Switch Failure(Past)
      Open Switch Failure(Current)
      Close Switch Failure(Current)
      OK
      OFF appears on the GTS screen.
      Result
      Result Proceed to
      All items are displayed "OFF" A
      In part or in whole item displayed "ON" B

    A

    REPLACE SLIDING ROOF DRIVE GEAR ASSEMBLY Click here

    B

  2. INSPECT MAP LIGHT ASSEMBLY


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

      Click here

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

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE MAP LIGHT ASSEMBLY Click here

    OK

  3. INSPECT INTEGRATION CONTROL AND PANEL ASSEMBLY


    1. Remove the integration control and panel assembly (slide roof switch).

      Click here

    2. Inspect the integration control and panel assembly (slide roof switch).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE INTEGRATION CONTROL AND PANEL ASSEMBLY Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR ASSEMBLY - MAP LIGHT ASSEMBLY, INTEGRATION CONTROL AND PANEL ASSEMBLY AND BODY GROUND)


    1. Disconnect the S38 sliding roof drive gear assembly connector.

    2. Disconnect the S15 map light assembly connector.

    3. Disconnect the S8 integration control and panel assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      S38-5 (CLS) - S8-2 (HPR-) Always Below 1 Ω
      S38-5 (CLS) - S15-9 (CLS) Always Below 1 Ω
      S38-7 (OPN) - S8-3 (HPR+) Always Below 1 Ω
      S38-7 (OPN) - S15-8 (OPN) Always Below 1 Ω
      S38-12 (E) - Body ground Always Below 1 Ω
      S15-16 (E) - Body ground Always Below 1 Ω
      S8-12 (GND) - Body ground Always Below 1 Ω
      S38-5 (CLS) or S15-9 (CLS) - Body ground Always 10 kΩ or higher
      S38-5 (CLS) or S8-2 (HPR-) - Body ground Always 10 kΩ or higher
      S38-7 (OPN) or S15-8 (OPN) - Body ground Always 10 kΩ or higher
      S38-7 (OPN) or S8-3 (HPR+) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE SLIDING ROOF DRIVE GEAR ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR