SLIDING ROOF SYSTEM TERMINALS OF ECU


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


    1. B004WL1E02

      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 LA-G - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      N4-2 (E) - Body ground LA-G - 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 Slide roof switch (UP) signal Power switch on (IG), UP switch off → on 11 to 14 V → Below 1 V
      N4-8 (CLS) - Body ground SB - Body ground Slide roof switch (CLOSE) signal Power switch on (IG), CLOSE switch off → on 11 to 14 V → Below 1 V
      N4-9 (DWN) - Body ground B - Body ground Slide roof switch (DOWN) signal Power switch on (IG), DOWN switch off → on 11 to 14 V → Below 1 V
      N4-10 (OPN) - Body ground BR - Body ground Slide roof switch (OPEN) signal Power switch on (IG), OPEN 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
      N4-7 (MPX1) - Body ground V - Body ground LIN communication line Power switch on (IG) Pulse generation

  2. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

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