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Sliding Roof does not Move by Operating Sliding Roof Control Switch [10/2014 - ]: Procedure

  1. READ VALUE USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine 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.
      SLIDING ROOF

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

      OK

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

    Result: 

    NG 

    See step  3

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - BATTERY AND BODY GROUND) 
    1. Disconnect the N4 sliding roof ECU (sliding roof drive gear assembly) connector.
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      N4-8 (B) - Body ground Always 11 to 14 V
      N4-1 (IG) - Body ground Engine switch on (IG) 11 to 14 V
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      N4-12 (E) - Body ground Always Below 1 Ω

    Result: 

    OK 

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) 

    (Refer to REMOVAL [10/2014 - 10/2015] or REMOVAL [10/2015 - ] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  3. INSPECT SLIDING ROOF SWITCH (ROOF CONSOLE BOX ASSEMBLY) 
    1. Remove the sliding roof switch (roof console box assembly) (Refer to REMOVAL [10/2014 - ] ).
      GTY608135Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      5 (UP) - 1 (GND) UP switch is pressed Below 1 Ω
      5 (UP) - 1 (GND) UP switch is not pressed 10 kΩ or higher
      4 (DOWN) - 1 (GND) DOWN switch is pressed Below 1 Ω
      4 (DOWN) - 1 (GND) DOWN switch is not pressed 10 kΩ or higher
      3 (OPN) - 1 (GND) OPEN switch is pressed Below 1 Ω
      3 (OPN) - 1 (GND) OPEN switch is not pressed 10 kΩ or higher
      2 (CLS) - 1 (GND) CLOSE switch is pressed Below 1 Ω
      2 (CLS) - 1 (GND) CLOSE switch is not pressed 10 kΩ or higher
      TEXT IN ILLUSTRATION

      *a Component without harness connected
      (Sliding Roof Switch (Roof Console Box Assembly))

    Result: 

    NG 

    REPLACE SLIDING ROOF SWITCH (ROOF CONSOLE BOX ASSEMBLY) 

    (Refer to REMOVAL [10/2014 - ] )

    Result: 

    OK 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (SLIDING ROOF ECU - SLIDING ROOF SWITCH AND BODY GROUND) 
    1. Disconnect the N6 sliding roof switch (roof console box assembly) connector.
    2. Disconnect the N4 sliding roof ECU (sliding roof drive gear assembly) connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      N4-5 (CLS) - N6-2 (CLS) Always Below 1 Ω
      N4-5 (CLS) - Body ground Always 10 kΩ or higher
      N4-7 (OPN) - N6-3 (OPN) Always Below 1 Ω
      N4-7 (OPN) - Body ground Always 10 kΩ or higher
      N4-6 (DWN) - N6-4 (DOWN) Always Below 1 Ω
      N4-6 (DWN) - Body ground Always 10 kΩ or higher
      N4-4 (UP) - N6-5 (UP) Always Below 1 Ω
      N4-4 (UP) - Body ground Always 10 kΩ or higher
      N6-1 (GND) - Body ground Always Below 1 Ω
      N4-12 (E) - Body ground Always Below 1 Ω

    Result: 

    OK 

    REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY) 

    (Refer to REMOVAL [10/2014 - 10/2015] or REMOVAL [10/2015 - ] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR