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DTC B2342: Switch Failure [12/2019 - ]: Procedure

  1. CHECK FOR DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [12/2019 - ]

      Body Electrical > Sliding Roof > Clear DTCs 

      Body Electrical > Sliding Sunshade > Clear DTCs 

    2. Check for DTCs.

      Refer to DTC CHECK / CLEAR [12/2019 - ]

      Body Electrical > Sliding Roof > Trouble Codes 

      Body Electrical > Sliding Sunshade > Trouble Codes 

      OK

      DTC B2342 is not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

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

    Result: 

    NG 

    See step  2

  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

    Result: 

    B 

    See step  6

    Result: 

    A 

    See step  3

  3. READ VALUE USING GTS (SLIDING ROOF) 
    1. 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 Sliding roof tilt switch stuck signal (Current) OFF or ON OFF: No sliding roof switch stuck signal (Current)
      ON: Sliding roof switch stuck signal (Current)      		 -
      Past Vent Switch Stuck ON Sliding roof tilt switch stuck signal (Past) OFF or ON OFF: No sliding roof switch stuck signal (Past)
      ON: Sliding roof 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

    Result: 

    OK 

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY). Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023]  , or refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) - MAP LIGHT ASSEMBLY) 
    1. Disconnect the R19 sliding roof ECU (sliding roof drive gear assembly) connector.
    2. Disconnect the R11 map light assembly connector.
    3. Disconnect the R20 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
      R19-7 (OPN) or R11-20 (OPN) - Body ground Always 10 kΩ or higher
      R19-5 (CLS) or R11-19 (CLS) - Body ground Always 10 kΩ or higher
      R19-2 (TILT) or R11-16 (VENT) - Body ground Always 10 kΩ or higher
      R19-6 (OPN) or R11-17 (OPN) - Body ground Always 10 kΩ or higher
      R19-4 (CLS) or R11-18 (CLS) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  5

  5. INSPECT MAP LIGHT ASSEMBLY 

    Refer to INSPECTION [12/2019 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    OK 

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY). Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023]  , or refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    REPLACE MAP LIGHT ASSEMBLY. Refer to  REMOVAL [12/2019 - ] 

  6. READ VALUE USING GTS (SLIDING SUNSHADE) 
    1. 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 Sliding roof tilt switch stuck signal (Current) OFF or ON OFF: No sliding roof switch stuck signal (Current)
      ON: Sliding roof switch stuck signal (Current)      		 -
      Past Vent Switch Stuck ON Sliding roof tilt switch stuck signal (Past) OFF or ON OFF: No sliding roof switch stuck signal (Past)
      ON: Sliding roof 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

    Result: 

    OK 

    REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY). Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023]  , or refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    See step  7

  7. CHECK HARNESS AND CONNECTOR (ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) - MAP LIGHT ASSEMBLY) 
    1. Disconnect the R20 roof sunshade ECU (sliding roof drive gear assembly) connector.
    2. Disconnect the R11 map light assembly connector.
    3. Disconnect the R19 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
      R20-7 (OPN) or R11-20 (OPN) - Body ground Always 10 kΩ or higher
      R20-5 (CLS) or R11-19 (CLS) - Body ground Always 10 kΩ or higher
      R20-2 (TILT) or R11-16 (VENT) - Body ground Always 10 kΩ or higher
      R20-6 (OPN) or R11-17 (OPN) - Body ground Always 10 kΩ or higher
      R20-4 (CLS) or R11-18 (CLS) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  8

  8. INSPECT MAP LIGHT ASSEMBLY 

    Refer to INSPECTION [12/2019 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    OK 

    REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY). Refer to  REMOVAL [12/2019 - 10/2022]  , or refer to  REMOVAL [10/2022 - 11/2023]  , or refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    REPLACE MAP LIGHT ASSEMBLY. Refer to  REMOVAL [12/2019 - ] 

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