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Home >> Toyota >> 2016 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 235 (Panoramic Moon Roof - Diagnostic Codes & Symptom Tests - (Hybrid)) >> Panoramic Moon Roof System >> DTC B2342: Switch Failure [02/2014 - ] >> Procedure

DTC B2342: Switch Failure [02/2014 - ]: Procedure

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  1. CHECK FOR DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [02/2014 - ]

      Body Electrical > Sliding Roof > Clear DTCs 

      Body Electrical > Sliding Sunshade > Clear DTCs 

    2. Check for DTCs.

      Refer to DTC CHECK / CLEAR [02/2014 - ]

      Body Electrical > Sliding Roof > Trouble Codes 

      Body Electrical > Sliding Sunshade > Trouble Codes 

      OK

      DTC B2342 is not output.

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

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

    Result:  3

    NG 

    See step  2

  2. CHECK DTC OUTPUT 
    1. Check the parts which the DTCs have been output from.

      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:  2

    B 

    See step  6

    Result:  1

    A 

    See step  3

  3. READ VALUE USING TECHSTREAM (SLIDING ROOF) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    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.

      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 Techstream screen.

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY). Refer to  REMOVAL [02/2014 - ] 

    Result:  2

    NG 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) - MAP LIGHT ASSEMBLY) 
    1. Disconnect the T1 sliding roof ECU (sliding roof drive gear assembly) connector.
    2. Disconnect the S1 map light assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      T1-7 (OPN) - Body ground Always 10 kΩ or higher
      T1-5 (CLS) - Body ground Always 10 kΩ or higher
      T1-2 (TILT) - Body ground Always 10 kΩ or higher
      T1-6 (OPN) - Body ground Always 10 kΩ or higher
      T1-4 (CLS) - Body ground Always 10 kΩ or higher
      S1-6 (OPN) - Body ground Always 10 kΩ or higher
      S1-5 (CLS) - Body ground Always 10 kΩ or higher
      S1-7 (VENT) - Body ground Always 10 kΩ or higher
      S1-17 (OPN) - Body ground Always 10 kΩ or higher
      S1-16 (CLS) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  1

    OK 

    See step  5

  5. INSPECT MAP LIGHT ASSEMBLY 
    1. Remove the map light assembly.

      Refer to REMOVAL [02/2014 - ]

    2. Inspect the map light assembly.

      Refer to INSPECTION [02/2014 - ]

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY). Refer to  REMOVAL [02/2014 - ] 

    Result:  2

    NG 

    REPLACE MAP LIGHT ASSEMBLY. Refer to  REMOVAL [02/2014 - ] 

  6. READ VALUE USING TECHSTREAM (SLIDING SUNSHADE) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Sliding Sunshade / Data List.
    5. Read the Data List according to the display on the Techstream.

      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 Techstream screen.

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY). Refer to  REMOVAL [02/2014 - ] 

    Result:  2

    NG 

    See step  7

  7. CHECK HARNESS AND CONNECTOR (ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) - MAP LIGHT ASSEMBLY) 
    1. Disconnect the T2 roof sunshade ECU (sliding roof drive gear assembly) connector.
    2. Disconnect the S1 map light assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      T2-7 (OPN) - Body ground Always 10 kΩ or higher
      T2-5 (CLS) - Body ground Always 10 kΩ or higher
      T2-2 (TILT) - Body ground Always 10 kΩ or higher
      T2-6 (OPN) - Body ground Always 10 kΩ or higher
      T2-4 (CLS) - Body ground Always 10 kΩ or higher
      S1-6 (OPN) - Body ground Always 10 kΩ or higher
      S1-5 (CLS) - Body ground Always 10 kΩ or higher
      S1-7 (VENT) - Body ground Always 10 kΩ or higher
      S1-17 (OPN) - Body ground Always 10 kΩ or higher
      S1-16 (CLS) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result:  1

    OK 

    See step  8

  8. INSPECT MAP LIGHT ASSEMBLY 
    1. Remove the map light assembly.

      Refer to REMOVAL [02/2014 - ]

    2. Inspect the map light assembly.

      Refer to INSPECTION [02/2014 - ]

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY). Refer to  REMOVAL [02/2014 - ] 

    Result:  2

    NG 

    REPLACE MAP LIGHT ASSEMBLY. Refer to  REMOVAL [02/2014 - ] 

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