ROOF SUNSHADE SYSTEM TERMINALS OF ECU


  1. CHECK SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (SLIDING ROOF ECU)


    1. B006FR6E02

      Disconnect the N4 sliding roof drive gear sub-assembly (sliding roof ECU) connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      N4-1 (B) - Body ground G - Body ground Battery power supply Always 11 to 14 V
      N4-2 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the N4 sliding roof drive gear sub-assembly (sliding roof ECU) connector.

    4. Measure the voltage according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      N4-5 (UP) - Body ground G - Body ground Sliding roof switch (OPEN) signal Engine switch on (IG), fronr roof sunshade switch (OPEN) off → on 11 to 14 V → Below 1 V
      N4-9 (DWN) - Body ground L - Body ground Sliding roof switch (CLOSE) signal Engine switch on (IG), fronr roof sunshade switch (CLOSE) off → on 11 to 14 V → Below 1 V

    5. Measure the pulse according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      N4-3 (MPX2) - Body ground B - Body ground LIN communication line Engine switch on (IG) Pulse generation
      N4-7 (MPX1) - Body ground V - Body ground LIN communication line Engine switch on (IG) Pulse generation

  2. CHECK SLIDING ROOF DRIVE GEAR ASSEMBLY (FRONT ROOF SUNSHADE ECU)


    1. B006FR6E07

      Disconnect the N32 sliding roof drive gear assembly (front roof sunshade ECU) connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      N32-1 (B) - Body ground W - Body ground Battery power supply Always 11 to 14 V
      N32-2 (E) - Body ground LA - Body ground Ground Always Below 1 Ω

    3. Reconnect the N32 sliding roof drive gear assembly (front roof sunshade ECU) connector.

    4. Measure the pulse according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      N32-3 (MPX2) - Body ground B - Body ground LIN communication line Engine switch on (IG) Pulse generation

  3. CHECK SLIDING ROOF DRIVE GEAR ASSEMBLY (REAR ROOF SUNSHADE ECU)


    1. B0069UCE01

      Disconnect the N31 sliding roof drive gear assembly (rear roof sunshade ECU) connector.

    2. Measure the resistance and voltage according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      N31-7 (B) - Body ground R - Body ground Battery power supply Always 11 to 14 V
      N31-1 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the N31 sliding roof drive gear assembly (rear roof sunshade ECU) connector.

    4. Measure the voltage according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      N31-4 (SW) - Body ground B - Body ground Rear roof sunshade switch (OPEN) signal Engine switch on (IG), rear roof sunshade switch off → on 11 to 14 V → Below 1 V

    5. Measure the pulse according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      N31-3 (MPX1) - Body ground V - Body ground LIN communication line Engine switch on (IG) Pulse generation