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Home >> Toyota >> 2017 >> Highlander LE Plus, FWD >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sliding Roof - Diagnostic Codes & Symptom Tests - (Except Hybrid) >> Sliding Roof System >> Symptom Tests >> Sliding Roof Does Not Move By Operating Sliding Roof Control Switch [12/2013 - ] >> Procedure

Sliding Roof Does Not Move By Operating Sliding Roof Control Switch [12/2013 - ]: Procedure

  1. CHECK POWER WINDOW CONTROL SYSTEM 
    1. Check the power window control system operates normally.

      for Models with Jam Protection Function on 4 Windows: Refer to OPERATION CHECK [12/2013 - ] .

      for Models with Jam Protection Function on Front Door Windows: Refer to OPERATION CHECK [12/2013 - ] .

      OK

      The power window control system operates normally.

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO POWER WINDOW CONTROL SYSTEM 

    for Models with Jam Protection Function on 4 Windows: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2013 - ] .

    for Models with Jam Protection Function on Front Door Windows: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2013 - ] .

    Result: 

    OK 

    Go to next step 

  2. READ VALUE USING TECHSTREAM 
    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.

      Body Electrical > Sliding Roof > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Open Switch OPEN switch signal OFF or ON OFF: OPEN switch not pressed
      ON: OPEN switch pressed
      -
      Close Switch CLOSE switch signal OFF or ON OFF: CLOSE switch not pressed
      ON: CLOSE switch pressed
      -
      Up Switch UP switch signal OFF or ON OFF: UP switch not pressed
      ON: UP switch pressed
      -
      Down Switch DOWN switch signal OFF or ON OFF: DOWN switch not pressed
      ON: DOWN switch pressed
      -

      Body Electrical > Sliding Roof > Data List 

      Tester Display
      Open Switch
      Close Switch
      Up Switch
      Down Switch

      OK

      The Techstream display changes according to switch operation as shown in the table.

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY): 

    Refer to REMOVAL [12/2013 - ] .

    Result: 

    NG 

    Go to next step 

  3. INSPECT SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY) 
    1. Remove the sliding roof switch (map light assembly).

      Refer to REMOVAL [12/2013 - ] .

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

      Refer to INSPECTION [12/2013 - ] .

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY): 

    Refer to REMOVAL [12/2013 - ] .

    Result: 

    OK 

    Go to next step 

  4. CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) - SLIDING ROOF SWITCH (MAP LIGHT ASSEMBLY) AND BODY GROUND) 
    1. Disconnect the S1 sliding roof switch (map light assembly) connector.
    2. Disconnect the S5 sliding roof ECU (sliding roof drive gear sub-assembly) connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      S5-5 (CLS) - S1-16 (CLS) Always Below 1 Ω
      S5-5 (CLS) or S1-16 (CLS) - Body ground Always 10 kΩ or higher
      S5-7 (OPN) - S1-17 (OPN) Always Below 1 Ω
      S5-7 (OPN) or S1-17 (OPN) - Body ground Always 10 kΩ or higher
      S5-6 (DWN) - S1-5 (DOWN) Always Below 1 Ω
      S5-6 (DWN) or S1-5 (DOWN) - Body ground Always 10 kΩ or higher
      S5-4 (UP) - S1-6 (UP) Always Below 1 Ω
      S5-4 (UP) or S1-6 (UP) - Body ground Always 10 kΩ or higher
      S1-1 (GND) - Body ground Always Below 1 Ω
      S5-12 (E) - Body ground Always Below 1 Ω
      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY): 

    Refer to REMOVAL [12/2013 - ] .

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR