LUGGAGE COMPARTMENT DOOR CLOSER SYSTEM TERMINALS OF ECU


  1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

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    1. Disconnect the N94 and N95 certification ECU (smart key ECU assembly) connectors.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      N95-5 (+B) - Body ground W - Body ground Battery power supply Power switch off 11 to 14 V
      N95-16 (IG) - Body ground G - Body ground Ignition power supply Power switch off Below 1 V
      Power switch on (IG) 11 to 14 V
      N95-4 (CUTB) - Body ground P - Body ground Dark current cut fuse pin input signal Power switch off 11 to 14 V
      N94-1 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω

    3. Reconnect the N94 and N95 certification ECU (smart key ECU assembly) connectors.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      N98-22 (TSW5) - N94-1 (E) SB - W-B Luggage electrical key switch input signal Luggage electrical key switch off Below 1 V
      N98-22 (TSW5) - N94-1 (E) SB - W-B Luggage electrical key switch input signal Power switch on (IG), luggage compartment door is fully closed and luggage electrical key switch off Pulse generation

  2. CHECK COWL SIDE JUNCTION BLOCK LH AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

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    Text in Illustration
    *1 Main Body ECU (Multiplex Network Body ECU) - -

    1. Remove the main body ECU (multiplex network body ECU) from the cowl side junction block LH Click here.

    2. Connect the cowl side junction block LH connectors.

    3. Measure the voltage and resistance 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-29 (ACC) - Body ground None - Body ground ACC power supply Power switch on (ACC) 11 to 14 V
      Power switch off Below 1 V
      A-30 (BECU) - Body ground None - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      A-31 (ALTB) - Body ground None - Body ground Auxiliary battery power supply Power switch off 11 to 14 V
      A-32 (IG) - Body ground None - Body ground IG power supply Power switch on (IG) 11 to 14 V
      Power switch off Below 1 V

    4. Install the main body ECU (multiplex network body ECU) to the cowl side junction block LH Click here.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      N13-5 (TMSW) - Body ground G - Body ground Luggage door opening cancel switch input signal Luggage door opening cancel switch is on Below 1 V
      Power switch off, all doors closed and luggage door opening cancel switch is off Pulse generation
      N13-8 (TSW) - Body ground Y - Body ground Luggage door opening switch input signal Luggage door opening switch is on Below 1 V
      Power switch off, all doors closed and luggage door opening switch is off Pulse generation
      N12-23 (TKUL) - Body ground GR - Body ground Luggage compartment door lock cylinder input signal Power switch off, luggage compartment door lock cylinder operated Below 1 V
      Power switch off, luggage compartment door lock cylinder not operated Pulse generation

  3. CHECK MULTIPLEX NETWORK DOOR ECU (w/o Power Trunk Lid System)

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    1. Disconnect the U68 multiplex network door ECU connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      U68-16 (IG) - U68-1 (GND) B - W-B IG power supply Power switch on (IG) 11 to 14 V
      U68-18 (ECUB) - U68-1 (GND) P- W-B ECU power supply Power switch off 11 to 14 V
      U68-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      U68-19 (B) - U68-1 (GND) L - W-B Auxiliary battery power supply Power switch off 11 to 14 V

    3. Reconnect the U68 motor connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      U68-6 (LCM+) - U68-1 (GND) Y - W-B Luggage compartment door closer motor output signal Luggage compartment door closer is operated 11 to 14 V
      U68-7 (LCM-) - U68-1 (GND) G - W-B Luggage compartment door closer motor output signal Luggage compartment door closer is operated in reverse 11 to 14 V
      U68-13 (HAF) - U68-1 (GND) W - W-B Luggage compartment door closer half latch switch input signal Power switch on (IG), luggage compartment door open → fully closed Below 1 V → Pulse generation
      U68-14 (PAWL) - U68-1 (GND) L - W-B Luggage compartment door closer pawl switch input signal Power switch on (IG), luggage compartment door open → fully closed Below 1 V → Pulse generation

  4. CHECK LUGGAGE CLOSER MOTOR ASSEMBLY (w/ Power Trunk Lid System)

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    1. Disconnect the U33 luggage closer motor assembly connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      U33-8 (IG) - U33-11 (GND) B - W-B IG power supply Power switch on (IG) 11 to 14 V
      U33-10 (ECUB) - U33-11 (GND) P - W-B ECU power supply Power switch off 11 to 14 V
      U33-11 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      U33-12 (B) - U33-11 (GND) L - W-B Auxiliary battery power supply Power switch off 11 to 14 V

    3. Reconnect the U33 motor connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      U33-2 (LCM+) - U33-11 (GND) Y - W-B Luggage compartment door closer motor output signal Luggage compartment door closer is operated 11 to 14 V
      U33-1 (LCM-) - U33-11 (GND) G - W-B Luggage compartment door closer motor output signal Luggage compartment door closer is operated in reverse 11 to 14 V
      U33-7 (HAF) - U33-11 (GND) W - W-B Luggage compartment door closer half latch switch input signal Power switch on (IG), luggage compartment door open → fully closed Below 1 V → Pulse generation
      U33-20 (PAWL) - U33-11 (GND) L - W-B Luggage compartment door closer pawl switch input signal Power switch on (IG), luggage compartment door open → fully closed Below 1 V → Pulse generation