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SLIDING ROOF SYSTEM, Diagnostic DTC:B2342

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DTC Code DTC Name
B2342 Switch Failure
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DESCRIPTION

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

  • Map light sub-assembly (slide roof switch)

  • Harness or connector

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WIRING DIAGRAM

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CAUTION / NOTICE / HINT

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

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  • 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.

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PROCEDURE


  1. Click here

    READ VALUE USING GTS (Switch Failure)


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

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      1. 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)

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

        OFF: No UP switch failure signal (Past)

        ON: UP switch failure signal (Past)

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

        OFF: No DOWN switch failure signal (Past)

        ON: DOWN 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)

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

        OFF: No UP switch failure signal (Current)

        ON: UP switch failure signal (Current)

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

        OFF: No DOWN switch failure signal (Current)

        ON: DOWN switch failure signal (Current)

        -










      1. 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
      Result Proceed to
      All items are displayed "OFF" A
      In part or in whole item displayed "ON" B

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    INSPECT MAP LIGHT SUB-ASSEMBLY


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

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

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      Result
      Proceed to
      OK
      NG

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    CHECK HARNESS AND CONNECTOR (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY - MAP LIGHT SUB-ASSEMBLY AND BODY GROUND)


    1. Disconnect the N4 sliding roof drive gear sub-assembly connector.

    2. Disconnect the N7 and N9 map light sub-assembly connectors.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      N4-10 (OPN) - N9-12 (OPN) Always Below 1 Ω
      N4-8 (CLS) - N9-14 (CLS) Always Below 1 Ω
      N4-9 (DWN) - N9-16 (DOWN) Always Below 1 Ω
      N4-5 (UP) - N9-15 (UP) Always Below 1 Ω
      N4-2 (E) - Body ground Always Below 1 Ω
      N7-22 (GND) - Body ground Always Below 1 Ω
      N4-10 (OPN) or N9-12 (OPN) - Body ground Always 10 kΩ or higher
      N4-8 (CLS) or N9-14 (CLS) - Body ground Always 10 kΩ or higher
      N4-9 (DWN) or N9-16 (DOWN) - Body ground Always 10 kΩ or higher
      N4-5 (UP) or N9-15 (UP) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    • OK

      REPLACE SLIDING ROOF DRIVE GEAR SUB-ASSEMBLYClick here

    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR