HYBRID CONTROL SYSTEM TERMINALS OF ECU


  1. HYBRID VEHICLE CONTROL ECU

    A005NBZE11

    Terminal No.

    (Symbol)

    		 Wiring Color Terminal Description Input/Output Condition Specified Condition
    A49-1 (+B2) - F2-6 (E1) L - W-B Power source Input Power switch on (IG) 11 to 14 V
    A49-3 (IG2) - F2-6 (E1) BE - W-B Power source Input Power switch on (IG) 11 to 14 V
    A49-8 (VCP2) - A49-18 (EPA2) G - W Accelerator pedal sensor assembly power source (for VPA2) Output Power switch on (IG) 4.5 to 5.5 V
    A49-9 (VCPA) - A49-20 (EPA) BE - L Accelerator pedal sensor assembly power source (for VPA) Output Power switch on (IG) 4.5 to 5.5 V
    A49-13 (IWP) - F2-6 (E1) G - W-B Inverter water pump with motor assembly signal Output Power switch on (READY) Pulse generation (Waveform 1)
    A49-14 (NIWP) - F2-6 (E1) GR - W-B Inverter water pump with motor assembly signal Input Power switch on (READY) Pulse generation (Waveform 1)
    A49-15 (STP) - F2-6 (E1) SB - W-B Stop light switch Input Brake pedal depressed 11 to 14 V
    Brake pedal released 0 to 1.5 V
    A49-17 (LIN3) - F2-6 (E1) Y - W-B LIN communication signal (A/C inverter, auxiliary battery) Input/Output Power switch on (READY) Pulse generation
    A49-21 (TTA) - A49-31 (ETTA) V - P Transmission fluid temperature sensor Input Power switch on (IG), temperature 25°C (77°F) 3.6 to 4.6 V
    Power switch on (IG), temperature 60°C (140°F) 2.2 to 3.2 V
    A49-22 (ACCI) - F2-6 (E1) R - W-B ACC relay Input Power switch on (ACC) 11 to 14 V
    A49-24 (MMT) - A49-23 (MMTG) L - BR Motor temperature sensor Input Power switch on (IG), temperature 25°C (77°F) 3.6 to 4.6 V
    Power switch on (IG), temperature 60°C (140°F) 2.2 to 3.2 V
    A49-26 (GMT) - A49-27 (GMTG) LG - R Generator temperature sensor Input Power switch on (IG), temperature 25°C (77°F) 3.6 to 4.6 V
    Power switch on (IG), temperature 60°C (140°F) 2.2 to 3.2 V
    A49-28 (VPA2) - A49-18 (EPA2) B - W Accelerator pedal sensor assembly (for accelerator pedal position detection) Input Power switch on (IG), accelerator pedal released 1.0 to 2.2 V
    Power switch on (IG), engine stopped, shift lever in P, accelerator pedal fully depressed 3.4 to 5.3 V
    A49-30 (VPA) - A49-20 (EPA) GR - L Accelerator pedal sensor assembly (for accelerator pedal position detection) Input Power switch on (IG), accelerator pedal released 0.4 to 1.4 V
    Power switch on (IG), engine stopped, shift lever in P, accelerator pedal fully depressed 2.6 to 4.5 V
    A48-1 (PSFT) - F2-6 (E1) R - W-B Shift lever position sensor power source Output Power switch on (ACC) 11 to 14 V
    A48-2 (BL) - F2-6 (E1) LG - W-B Back-up light Output Power switch on (IG), shift lever in R 11 to 14 V
    A48-4 (+B1) - F2-6 (E1) L - W-B Power source Input Power switch on (IG) 11 to 14 V
    A48-6 (MREL) - F2-6 (E1) BE - W-B Main relay Output Power switch on (IG) 11 to 14 V
    A48-7 (IGB) - F2-6 (E1) LG - W-B Power source Input Power switch on (IG) 11 to 14 V
    A48-12 (HSDN) - F2-6 (E1) B - W-B MG ECU shutdown signal Output Power switch on (READY) 0 to 1.5 V
    A48-13 (ILK) - F2-6 (E1) W - W-B Interlock switch Input Power switch on (IG), service plug grip installed correctly 0 to 1.5 V
    Power switch on (IG), service plug grip not installed 11 to 14 V
    A48-14 (DB2) - F2-6 (E1) G - W-B Shift lever position signal Input Power switch on (IG), shift lever in D or B 11 to 14 V
    Power switch on (IG), shift lever not in D or B 0 to 1.5 V
    A48-15 (R) - F2-6 (E1) L - W-B Shift lever position signal Input Power switch on (IG), shift lever in R 11 to 14 V
    Power switch on (IG), shift lever not in R 0 to 1.5 V
    A48-17 (PR) - F2-6 (E1) GR - W-B Shift lever position signal Input Power switch on (IG), shift lever in P or R 11 to 14 V
    Power switch on (IG), shift lever not in P or R 0 to 1.5 V
    A48-20 (N) - F2-6 (E1) SB - W-B Shift lever position signal Input Power switch on (IG), shift lever in N 11 to 14 V
    Power switch on (IG), shift lever not in N 0 to 1.5 V
    A48-21 (P) - F2-6 (E1) GR - W-B Shift lever position signal Input Power switch on (IG), shift lever in P 11 to 14 V
    Power switch on (IG), shift lever not in P 0 to 1.5 V
    A48-26 (DB1) - F2-6 (E1) W - W-B Shift lever position signal Input Power switch on (IG), shift lever in D or B 11 to 14 V
    Power switch on (IG), shift lever not in D or B 0 to 1.5 V
    A48-28 (ST1-) - F2-6 (E1) R - W-B Stop light switch signal Input Power switch on (IG), brake pedal depressed 11 to 14 V
    Power switch on (IG), brake pedal released 0 to 1.5 V
    A48-30 (HMCL) - F2-6 (E1) W - W-B MG ECU communication request signal Input/Output Power switch on (IG) Pulse generation (Waveform 2)
    A48-31 (HMCH) - F2-6 (E1) B - W-B MG ECU communication request signal Output Power switch on (IG) Pulse generation (Waveform 2)
    A48-34 (PNB) - F2-6 (E1) P - W-B Shift lever position signal Input Power switch on (IG), shift lever in P, N, or B 11 to 14 V
    F2-1 (SMRG) - F2-5 (E01) P - W-B System main relay operation signal Output Power switch on (IG) → Power switch on (READY) Pulse generation (Waveform 3)
    F2-3 (SMRP) - F2-5 (E01) LG - W-B System main relay operation signal Output Power switch on (IG) → Power switch on (READY) Pulse generation (Waveform 3)
    F2-4 (SMRB) - F2-5 (E01) BE - W-B System main relay operation signal Output Power switch on (IG) → Power switch on (READY) Pulse generation (Waveform 3)
    F2-8 (INDR) - F2-6 (E1) R - W-B Shift position indicator signal Input Power switch on (IG), shift lever in R 0 to 3.2 V
    Power switch on (IG), shift lever not in R 11 to 14 V
    F2-9 (ST2) - F2-6 (E1) B - W-B Starter signal Input Power switch on (IG) 0 to 1.5 V
    F2-32 (BTH+) - F2-6 (E1) G - W-B Communication signal from battery voltage sensor to hybrid vehicle ECU assembly Input Power switch on (IG) Pulse generation (Waveform 4)
    F2-33 (BTH-) - F2-6 (E1) W - W-B Communication signal from battery voltage sensor to hybrid vehicle ECU assembly Input Power switch on (IG) Pulse generation (Waveform 4)
    F3-3 (BATT) - F2-6 (E1) B - W-B Constant power source Input Power switch on (IG) 11 to 14 V
    Power switch on (READY) 11 to 15.5 V
    F3-7 (PLKC) - F2-6 (E1) LG - W-B Shift lock release request signal Output Power switch on (READY), brake pedal depressed 11 to 14 V
    Power switch on (READY), brake pedal released 0 to 1.5 V
    F3-10 (INDB) - F2-6 (E1) B - W-B Shift position indicator signal Input Power switch on (IG), shift lever in B 0 to 3.2 V
    Power switch on (IG), shift lever not in B 11 to 14 V
    F3-11 (INDD) - F2-6 (E1) V - W-B Shift position indicator signal Input Power switch on (IG), shift lever in D 0 to 3.2 V
    Power switch on (IG), shift lever not in D 11 to 14 V
    F3-12 (INDN) - F2-6 (E1) GR - W-B Shift position indicator signal Input Power switch on (IG), shift lever in N 0 to 3.2 V
    Power switch on (IG), shift lever not in N 11 to 14 V
    F3-13 (INDP) - F2-6 (E1) G - W-B Shift position indicator signal Input Power switch on (IG), shift lever in P 0 to 3.2 V
    Power switch on (IG), shift lever not in P 11 to 14 V
    F3-14 (ABFS) - F2-6 (E1) B - W-B Airbag activation signal Input Power switch on (READY) Pulse generation (Waveform 5)
    F3-15 (EVSW) - F2-6 (E1) R - W-B EV drive mode switch (combination switch assembly) signal Input Power switch on (IG), EV drive mode switch (combination switch assembly) not operated 11 to 14 V
    Power switch on (IG), EV drive mode switch (combination switch assembly) operated 0 to 1.5 V
    F3-24 (CA1L) - F2-6 (E1) P - W-B CAN communication signal Input/Output Power switch on (IG) Pulse generation (Waveform 6)
    F3-25 (CA1H) - F2-6 (E1) L - W-B CAN communication signal Input/Output Power switch on (IG) Pulse generation (Waveform 6)
    F3-28 (TC) - F2-6 (E1) G - W-B Diagnosis terminal Input Power switch on (IG) 11 to 14 V
    F3-29 (SI0) - F2-6 (E1) SB - W-B Battery cooling blower assembly operation signal Output Cooling fans operating Pulse generation (Waveform 7)
    Cooling fans not operating 4.5 to 5.5 V
    F3-30 (CA3N) - F2-6 (E1) W - W-B CAN communication signal Input/Output Power switch on (IG) Pulse generation (Waveform 8)
    F3-31 (CA3P) - F2-6 (E1) R - W-B CAN communication signal Input/Output Power switch on (IG) Pulse generation (Waveform 8)

    1. Oscilloscope waveforms

      Tech Tips

      Oscilloscope waveform samples are provided here for informational purposes. Noise and fluttering waveforms have been omitted.


      1. A005O7QE02

        Waveform 1 (Inverter water pump assembly signal)

        Item Content
        Terminal

        CH1: A49-13 (IWP) - F2-6 (E1)

        CH2: A49-14 (NIWP) - F2-6 (E1)
        Equipment Setting 5 V/DIV., 20 ms./DIV.
        Condition Power switch on (READY)
      2. A005MRXE08

        Waveform 2 (CAN communication signal)

        Item Content
        Terminal

        CH1: A48-31 (HMCH) - F2-6 (E1)

        CH2: A48-30 (HMCL) - F2-6 (E1)
        Equipment Setting 1 V/DIV., 50 μs./DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform will vary depending on the content of the digital communication (digital signal).

      3. A005MRME19

        Waveform 3 (system main relay operation signal)

        Item Content
        Terminal

        CH1: F2-3 (SMRP) - F2-5 (E01)

        CH2: F2-4 (SMRB) - F2-5 (E01)

        CH3: F2-1 (SMRG) - F2-5 (E01)
        Equipment Setting 10 V/DIV., 200 ms./DIV.
        Condition Power switch on (IG) → Power switch on (READY)
      4. A005MZYE02

        Waveform 4 (communication signal from battery voltage sensor to hybrid vehicle control ECU)

        Item Content
        Terminal

        CH1: F2-32 (BTH+) - F2-6 (E1)

        CH2: F2-33 (BTH-) - F2-6 (E1)
        Equipment Setting 2 V/DIV., 500 μs./DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform will vary depending on the content of the digital communication (digital signal).

      5. A005MNNE02

        Waveform 5 (airbag activation signal)

        Item Content
        Terminal F3-14 (ABFS) - F2-6 (E1)
        Equipment Setting 5 V/DIV., 125 ms./DIV.
        Condition Power switch on (READY)
      6. A005MRXE09

        Waveform 6 (CAN communication signal)

        Item Content
        Terminal

        CH1: F3-25 (CA1H) - F2-6 (E1)

        CH2: F3-24 (CA1L) - F2-6 (E1)
        Equipment Setting 1 V/DIV., 50 μs./DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform will vary depending on the content of the digital communication (digital signal).

      7. A005O2TE03

        Waveform 7 (HV battery blower fan operation signal)

        Item Content
        Terminal F3-29 (SI0) - F2-6 (E1)
        Equipment Setting 10 V/DIV., 1 ms./DIV.
        Condition Cooling fans operating

        Tech Tips

        The waveform will vary with the operating speed of the battery cooling blower assembly.

      8. A005MRXE10

        Waveform 8 (CAN communication signal)

        Item Content
        Terminal

        CH1: F3-31 (CA3P) - F2-6 (E1)

        CH2: F3-30 (CA3N) - F2-6 (E1)
        Equipment Setting 1 V/DIV., 50 μs./DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform will vary depending on the content of the digital communication (digital signal).

  2. BATTERY VOLTAGE SENSOR

    A005NO2E03

    Terminal No.

    (Symbol)

    		 Wiring Color Terminal Description Input/Output Condition Specified Condition
    z12-1 (TC0) - z12-7 (GC0) G - G Intake air temperature sensor Input HV battery intake air temperature: -40 to 90°C (-40 to 194°F) 4.8 (-40°C (-40°F)) to 1.0 V (90°C (194°F))
    z12-2 (TB2) - z12-8 (GB2) R - R Battery temperature sensor 2 Input HV battery temperature: -40 to 90°C (-40 to 194°F) 4.8 (-40°C (-40°F)) to 1.0 V (90°C (194°F))
    z12-3 (TB1) - z12-9 (GB1) W - W Battery temperature sensor 1 Input HV battery temperature: -40 to 90°C (-40 to 194°F) 4.8 (-40°C (-40°F)) to 1.0 V (90°C (194°F))
    z12-4 (TB0) - z12-10 (GB0) L - L Battery temperature sensor 0 Input HV battery temperature: -40 to 90°C (-40 to 194°F) 4.8 (-40°C (-40°F)) to 1.0 V (90°C (194°F))
    z12-5 (IB0) - z12-12 (GIB) Y - B Current sensor Input Power switch on (READY) 0.5 to 4.5 V
    z12-6 (VIB) - z12-12 (GIB) BR - B Power source for battery current sensor Output Power switch on (IG) 4.5 to 5.5 V
    M41-1 (IGCT) - M41-5 (GND) SB - W-B Control signal Input Power switch on (READY) 11 to 14 V
    M41-2 (BTH+) - M41-5 (GND) R - W-B Serial communication Output Power switch on (IG)

    Pulse generation

    (waveform 1)
    M41-3 (BTH-) - M41-5 (GND) W - W-B Serial communication Output Power switch on (IG)

    Pulse generation

    (waveform 2)
    M41-5 (GND) - Body ground W-B - Body ground Ground - Always (continuity check) Below 1 Ω
    M41-8 (FP0) - M41-5 (GND) B - W-B Battery cooling blower No. 0 monitor signal Input Cooling blower stopped 0 Hz
    Cooling blower activated

    Pulse generation

    (waveform 3)

    1. Oscilloscope waveforms

      Tech Tips

      Oscilloscope waveform samples are provided here for informational purposes. Noise and fluttering waveforms have been omitted.


      1. A005NOHE09

        Waveform 1 (Serial communication)

        Item Content
        Terminal M41-2 (BTH+) - M41-5 (GND)
        Equipment Setting 2 V/DIV., 500 μs/DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform will vary depending on the content of the digital communication (digital signal).

      2. A005O0DE08

        Waveform 2 (Serial communication)

        Item Content
        Terminal M41-3 (BTH-) - M41-5 (GND)
        Equipment Setting 2 V/DIV., 500 μs/DIV.
        Condition Power switch on (IG)

        Tech Tips

        The waveform will vary depending on the content of the digital communication (digital signal).

      3. A005O5YE08

        Waveform 3 (Battery cooling blower No. 0 monitor signal)

        Item Content
        Terminal M41-8 (FP0) - M41-5 (GND)
        Equipment Setting 2 V/DIV., 2 ms/DIV.
        Condition Battery cooling blower assembly (No. 0) operating (Active Test of cooling fan being performed)

        Tech Tips

        The frequency of the waveform will vary with the operating speed of the battery cooling blower assembly (No. 0).