LUGGAGE COMPARTMENT DOOR OPENER SYSTEM TERMINALS OF ECU


  1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

    B000YCPC13
    *1 Main Body ECU (Multiplex Network Body ECU) - -

    1. Remove the main body ECU (multiplex network body ECU).

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    2. Connect the driver side junction block assembly connectors.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      A-11 (GND1) - Body ground None - Body ground Ground Always Below 1 Ω
      A-30 (ACC) - Body ground None - Body ground ACC power supply Engine switch on (ACC) 11 to 14 V
      None - Body ground Engine switch off Below 1 V
      A-31 (BECU) - Body ground None - Body ground Battery power supply Always 11 to 14 V
      A-32 (IG) - Body ground None - Body ground IG power supply Engine switch on (IG) 11 to 14 V
      None - Body ground Engine switch off Below 1 V

    4. Install the main body ECU (multiplex network body ECU) to the driver side junction block assembly.

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    5. Measure the voltage and check for pulses according to the value(s) in the table below.

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      P9-4 (TSW) - Body ground W - Body ground No. 3 combination switch assembly (luggage door opening switch) signal No. 3 combination switch assembly (luggage door opening switch) on Below 1 V
      Engine switch off, all doors closed and No. 3 combination switch assembly (luggage door opening switch) off Pulse generation
      P7-27 (TMSW) - Body ground B - Body ground Luggage door opening cancel switch assembly signal Luggage door opening cancel switch on Below 1 V
      Engine switch off, all doors closed and luggage door opening cancel switch off 11 to 14 V
      3D-27 (LGCY) - Body ground G - Body ground Luggage compartment door courtesy switch input signal Luggage compartment door open Below 1 V
      Luggage compartment door closed 11 to 14 V
      3C-32 (TR+) - Body ground Y - Body ground Luggage opening relay (TRUNK OPN) output signal Luggage compartment door lock assembly is operating Below 1 V
      Luggage compartment door lock assembly is not operating 11 to 14 V

  2. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

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