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Home >> Toyota >> 2020 >> RAV4 XLE, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Hybrid Control System (AWD, W/ Nickel Metal Hydride Battery) - Diagnostics - Introduction (1 Of 3)) >> HYBRID CONTROL SYSTEM (for AWD with NICKEL METAL HYDRIDE BATTERY) >> Terminals Of Ecu [06/2020 - ] >> Terminals Of Ecu [06/2020 - ]

Terminals Of Ecu [06/2020 - ]

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  1. HYBRID VEHICLE CONTROL ECU ASSEMBLY 
    Fig 1: Hybrid Vehicle Control ECU Assembly [11/2018 - 06/2020]
    GTY868626Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No.
    (Symbol)    		 Wiring Color Terminal Description Input/Output Condition Specified Condition
    A29-2 (R) - A30-3 (E1) LG - W-B Shift lever position signal Input Ignition switch ON, shift lever in R 7.5 to 14 V
    Ignition switch ON, shift lever not in R 0 to 1.5 V
    A29-3 (DB1) - A30-3 (E1) W - W-B Shift lever position signal Input Ignition switch ON, shift lever in D or S 7.5 to 14 V
    Ignition switch ON, shift lever not in D or S 0 to 1.5 V
    A29-4 (HMCH) - A30-3 (E1) B - W-B CAN Communication signal Input/Output Ignition switch ON Pulse generation
    (Waveform 2)
    A29-5 (MREL) - A30-3 (E1) W - W-B Main relay Output Ignition switch ON 11 to 14 V
    A29-6 (HSDN) - A30-3 (E1) G - W-B MG ECU shutdown signal Output Ignition switch ON (READY) 0 to 1.5 V
    A29-7 (STP) - A30-3 (E1) G - W-B Stop light switch Input Brake pedal depressed 11 to 14 V
    Brake pedal released 0 to 1.5 V
    A29-8 (LIN3) - A30-3 (E1) L - W-B LIN communication signal
    (A/C inverter, auxiliary battery)    		 Input/Output Ignition switch ON (READY) Pulse generation
    A29-11 (+B1) - A30-3 (E1) R - W-B Power source Input Ignition switch ON 11 to 14 V
    A29-14 (HMCL) - A30-3 (E1) W - W-B Communication signal Input/Output Ignition switch ON Pulse generation
    (Waveform 2)
    A29-15 (DB2) - A30-3 (E1) P - W-B Shift lever position signal Input Ignition switch ON, shift lever in D or S 7.5 to 14 V
    Ignition switch ON, shift lever not in D or S 0 to 1.5 V
    A29-16 (PR) - A30-3 (E1) R - W-B Shift lever position signal Input Ignition switch ON, shift lever in P or R 7.5 to 14 V
    Ignition switch ON, shift lever not in P or R 0 to 1.5 V
    A29-18 (PSFT) - A30-3 (E1) L - W-B Shift lever position sensor power source Output Ignition switch ON (ACC) 7.5 to 14 V
    A29-20 (BL) - A30-3 (E1) LA-BE - W-B Back-up light relay Output Ignition switch ON, shift lever in R 11 to 14 V
    A29-24 (VCPA) - A29-37 (EPA) R - L Accelerator pedal sensor assembly power source (for VPA) Output Ignition switch ON 4.5 to 5.5 V
    A29-26 (VCP2) - A29-25 (EPA2) SB - P Accelerator pedal sensor assembly power source (for VPA2) Output Ignition switch ON 4.5 to 5.5 V
    A29-28 (P) - A30-3 (E1) BR - W-B Shift lever position signal Input Ignition switch ON, shift lever in P 7.5 to 14 V
    Ignition switch ON, shift lever not in P 0 to 1.5 V
    A29-29 (N) - A30-3 (E1) G - W-B Shift lever position signal Input Ignition switch ON, shift lever in N 7.5 to 14 V
    Ignition switch ON, shift lever not in N 0 to 1.5 V
    A29-30 (PNB) - A30-3 (E1) B - W-B Shift lever position signal Input Ignition switch ON, shift lever in P or N 7.5 to 14 V
    A29-33 (NIWP) - A30-3 (E1) W - W-B Inverter water pump assembly signal Input Ignition switch ON (READY) Pulse generation
    (Waveform 1)
    A29-34 (IWP) - A30-3 (E1) L - W-B Inverter water pump assembly signal Output Ignition switch ON (READY) Pulse generation
    (Waveform 1)
    A29-36 (VPA) - A29-37 (EPA) G - L Accelerator pedal sensor assembly (for accelerator pedal position detection) Input Ignition switch ON, accelerator pedal released 0.4 to 1.4 V
    Ignition switch ON, engine stopped, shift lever in P, accelerator pedal fully depressed 2.6 to 4.5 V
    A29-38 (VPA2) - A29-25 (EPA2) GR - P Accelerator pedal sensor assembly (for accelerator pedal sensor malfunction detection) Input Ignition switch ON, accelerator pedal released 1.0 to 2.2 V
    Ignition switch ON, engine stopped, shift lever in P, accelerator pedal fully depressed 3.4 to 5.3 V
    A29-40 (TTA) - A29-39 (ETTA) GR - W Transmission fluid temperature sensor Input Ignition switch ON, temperature 25°C (77°F) 3.6 to 4.6 V
    Ignition switch ON, temperature 60°C (140°F) 2.2 to 3.2 V
    A29-42 (RMT) - A29-43 (RMTG) L - W Rear motor temperature sensor Input Ignition switch ON, temperature 25°C (77°F) 3.6 to 4.6 V
    Ignition switch ON, temperature 60°C (140°F) 2.2 to 3.2 V
    A29-46 (MMT) - A29-45 (MMTG) Y - BE Motor temperature sensor Input Ignition switch ON, temperature 25°C (77°F) 3.6 to 4.6 V
    Ignition switch ON, temperature 60°C (140°F) 2.2 to 3.2 V
    A29-48 (GMT) - A29-47 (GMTG) P - V Generator temperature sensor Input Ignition switch ON, temperature 25°C (77°F) 3.6 to 4.6 V
    Ignition switch ON, temperature 60°C (140°F) 2.2 to 3.2 V
    A30-1 (+B2) - A30-3 (E1) BE - W-B Power source Input Ignition switch ON 11 to 14 V
    A30-4 (ST2) - A30-3 (E1) L - W-B Starter signal Input Ignition switch ON 0 to 1.5 V
    A30-7 (INDR) - A30-3 (E1) LG - W-B Shift position indicator signal Input Ignition switch ON, shift lever in R 0 to 3.2 V
    Ignition switch ON, shift lever not in R 11 to 14 V
    A30-8 (INDD) - A30-3 (E1) W - W-B Shift position indicator signal Input Ignition switch ON, shift lever in D 0 to 3.2 V
    Ignition switch ON, shift lever not in D 11 to 14 V
    A30-11 (SFTD) - A30-3 (E1) G - W-B Transmission control Input Ignition switch ON, shift lever in S 11 to 14 V
    Ignition switch ON, shift lever in (-) 0 to 1.5 V
    A30-19 (INDP) - A30-3 (E1) B - W-B Shift position indicator signal Input Ignition switch ON, shift lever in P 0 to 3.2 V
    Ignition switch ON, shift lever not in P 11 to 14 V
    A30-20 (INDM) - A30-3 (E1) LA-Y - W-B Shift position indicator signal Input Ignition switch ON, shift lever in S 0 to 3.2 V
    Ignition switch ON, shift lever not in S 11 to 14 V
    A30-21 (INDN) - A30-3 (E1) V - W-B Shift position indicator signal Input Ignition switch ON, shift lever in N 0 to 3.2 V
    Ignition switch ON, shift lever not in N 11 to 14 V
    A30-24 (SFTU) - A30-3 (E1) Y - W-B Transmission control Input Ignition switch ON, shift lever in S 11 to 14 V
    Ignition switch ON, shift lever in (+) 0 to 1.5 V
    A30-25 (M) - A30-3 (E1) LA-B - W-B Transmission control Input Ignition switch ON, shift lever in S 11 to 14 V
    Ignition switch ON, shift lever not in S 0 to 1.5 V
    A30-27 (BATT) - A30-3 (E1) B - W-B Constant power source Input Ignition switch ON 11 to 14 V
    Ignition switch ON (READY) 11 to 15.5 V
    A30-33 (EVSW) - A30-3 (E1) G - W-B EV mode switch (integration control and panel assembly) signal Input Ignition switch ON, EV mode switch (integration control and panel assembly) not operated 11 to 14 V
    Ignition switch ON, EV mode switch (integration control and panel assembly) being pushed and held 0 to 1.5 V
    A30-36 (ALSD) - A30-3 (E1) B - W-B TRAIL mode switch (integration control and panel assembly) signal Input Ignition switch ON, TRAIL mode switch (integration control and panel assembly) not operated 11 to 14 V
    Ignition switch ON, TRAIL mode switch (integration control and panel assembly) being pushed and held 0 to 1.5 V
    A30-37 (SPRT) - A30-3 (E1) R - W-B SPORT mode switch (integration control and panel assembly) signal Input Ignition switch ON, SPORT mode switch (integration control and panel assembly) not turned 11 to 14 V
    Ignition switch ON, SPORT mode switch (integration control and panel assembly) being turned and held 0 to 1.5 V
    A30-38 (NORM) ←→ A30-3 (E1) SB - W-B NORMAL mode switch (integration control and panel assembly) signal Input Ignition switch ON, NORMAL mode switch (integration control and panel assembly) not operated 11 to 14 V
    Ignition switch ON, NORMAL mode switch (integration control and panel assembly) being pushed and held 0 to 1.5 V
    A30-44 (IGB) - A30-3 (E1) GR - W-B Power source Input Ignition switch ON 11 to 14 V
    A31-5 (ILK) - A30-3 (E1) V - W-B Interlock switch Input Ignition switch ON, service plug grip installed correctly 0 to 1.5 V
    Ignition switch ON, service plug grip not installed 11 to 14 V
    A31-7 (CA3P) - A30-3 (E1) G - W-B CAN communication signal Input/Output Ignition switch ON Pulse generation
    (Waveform 7)
    A31-8 (CA1L) - A30-3 (E1) W - W-B CAN communication signal Input/Output Ignition switch ON Pulse generation
    (Waveform 5)
    A31-13 (SMRG) - A31-12 (E01) G - W-B System main relay operation signal Output Ignition switch ON → Ignition switch ON (READY) Pulse generation
    (Waveform 3)
    A31-15 (SMRP) - A31-12 (E01) W - W-B System main relay operation signal Output Ignition switch ON → Ignition switch ON (READY) Pulse generation
    (Waveform 3)
    A31-16 (SMRB) - A31-12 (E01) GR - W-B System main relay operation signal Output Ignition switch ON → Ignition switch ON (READY) Pulse generation
    (Waveform 3)
    A31-20 (CA3N) - A30-3 (E1) W - W-B CAN communication signal Input/Output Ignition switch ON Pulse generation
    (Waveform 7)
    A31-21 (CA1H) - A30-3 (E1) L - W-B CAN communication signal Input/Output Ignition switch ON Pulse generation
    (Waveform 5)
    A31-25 (PLKC) - A30-3 (E1) BE - W-B Shift lock release request signal Output Ignition switch ON (READY), brake pedal depressed 11 to 14 V
    Ignition switch ON (READY), brake pedal released 0 to 1.5 V
    A31-28 (ST1-) - A30-3 (E1) LA-G - W-B Stop light switch signal Input Ignition switch ON, brake pedal depressed 0 to 1.5 V
    Ignition switch ON, brake pedal released 11 to 14 V
    A31-29 (ACCI) - A30-3 (E1) P - W-B ACC relay Input Ignition switch ON (ACC) 11 to 14 V
    A31-35 (IG2) - A30-3 (E1) B - W-B Power source Input Ignition switch ON 11 to 14 V
    A31-38 (SI0) - A30-3 (E1) L - W-B Battery cooling blower operation signal Output Cooling fans operating Pulse generation
    (Waveform 6)
    Cooling fans not operating 4.5 to 5.5 V
    A31-41 (BTH+) - A30-3 (E1) LG - W-B Communication signal from battery voltage sensor to hybrid vehicle control ECU assembly Input Ignition switch ON Pulse generation
    (Waveform 4)
    A31-42 (BTH-) - A30-3 (E1) W - W-B Communication signal from battery voltage sensor to hybrid vehicle control ECU assembly Input Ignition switch ON Pulse generation
    (Waveform 4)
    1. Oscilloscope waveforms

      HINT: 

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

      1. Waveform 1 (Inverter water pump assembly signal)
        Item Content
        Terminal CH1: A29-34 (IWP) - A30-3 (E1)
        CH2: A29-33 (NIWP) - A30-3 (E1)
        Equipment Setting 5 V/DIV., 20 ms./DIV.
        Condition Ignition switch ON (READY)
        Fig 2: Waveform 1
        GTY810898Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT: 

        The duty of the IWP signal and the frequency of the NIWP signal change according to the coolant (for inverter) temperature.

      2. Waveform 2 (MG ECU communication request signal)
        Item Content
        Terminal CH1: A29-4 (HMCH) - A30-3 (E1)
        CH2: A29-14 (HMCL) - A30-3 (E1)
        Equipment Setting 1 V/DIV., 50 μs./DIV.
        Condition Ignition switch ON

        HINT: 

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

        Fig 3: Waveform 2
        GTY763773Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Waveform 3 (System main relay operation signal)
        Item Content
        Terminal CH1: A31-15 (SMRP) - A31-12 (E01)
        CH2: A31-16 (SMRB) - A31-12 (E01)
        CH3: A31-13 (SMRG) - A31-12 (E01)
        Equipment Setting 10 V/DIV., 200 ms./DIV.
        Condition Ignition switch ON → Ignition switch ON (READY)
        Fig 4: Waveform 3
        GTY746398Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      4. Waveform 4 (Communication signal from battery voltage sensor to hybrid vehicle control ECU assembly)
        Item Content
        Terminal CH1: A31-41 (BTH+) - A30-3 (E1)
        CH2: A31-42 (BTH-) - A30-3 (E1)
        Equipment Setting 2 V/DIV., 500 μs./DIV.
        Condition Ignition switch ON

        HINT: 

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

        Fig 5: Waveform 4
        GTY751181Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      5. Waveform 5 (CAN communication signal)
        Item Content
        Terminal CH1: A31-21 (CA1H) - A30-3 (E1)
        CH2: A31-8 (CA1L) - A30-3 (E1)
        Equipment Setting 1 V/DIV., 50 μs./DIV.
        Condition Ignition switch ON

        HINT: 

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

        Fig 6: Waveform 5
        GTY763772Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      6. Waveform 6 (HV battery blower fan operation signal)
        Item Content
        Terminal A31-38 (SI0) - A30-3 (E1)
        Equipment Setting 10 V/DIV., 1 ms./DIV.
        Condition Cooling fans operating

        HINT: 

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

        Fig 7: Waveform 6
        GTY774525Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      7. Waveform 7 (CAN communication signal)
        Item Content
        Terminal CH1: A31-7 (CA3P) - A30-3 (E1)
        CH2: A31-20 (CA3N) - A30-3 (E1)
        Equipment Setting 1 V/DIV., 50 μs./DIV.
        Condition Ignition switch ON

        HINT: 

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

        Fig 8: Waveform 7
        GTY773655Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. BATTERY VOLTAGE SENSOR 
    GTY977327Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *A for TMMC Made *B for TMC Made
    FOR TMMC MADE:

    Terminal No.
    (Symbol)    		 Wiring Color Input/Output Terminal Description Condition Specified Condition
    z19-1 (TC0) - z19-7 (GC0) G - G Input Intake air temperature sensor Ignition switch ON, 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))
    z19-2 (TB2) - z19-8 (GB2) R - R Input Battery temperature sensor 2 Ignition switch ON, 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))
    z19-3 (TB1) - z19-9 (GB1) W - W Input Battery temperature sensor 1 Ignition switch ON, 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))
    z19-4 (TB0) - z19-10 (GB0) L - L Input Battery temperature sensor 0 Ignition switch ON, 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))
    z19-5 (IB0) - z19-12 (GIB) G - G Input Battery current sensor Ignition switch ON 0.5 to 4.5 V
    z19-6 (VIB) - z19-12 (GIB) G - G Output Power source for battery current sensor Ignition switch ON 4.5 to 5.5 V
    N17-1 (IGCT) - N17-5 (GND) W - W-B Input Control signal Ignition switch ON 11 to 14 V
    N17-2 (BTH+) - N17-5 (GND) GR - W-B Output Serial communication Ignition switch ON Pulse generation
    (waveform 1)
    N17-3 (BTH-) - N17-5 (GND) W - W-B Output Serial communication Ignition switch ON Pulse generation
    (waveform 2)
    N17-5 (GND) - Body ground W-B - Ground Always (continuity check) Below 1 Ω
    N17-8 (FP0) - N17-5 (GND) B - W-B Input Battery cooling blower monitor signal Cooling blower stopped 0 Hz
    Cooling blower activated Pulse generation
    (waveform 3)
    FOR TMC MADE:

    Terminal No.
    (Symbol)    		 Wiring Color Input/Output Terminal Description Condition Specified Condition
    z19-1 (TC0) - z19-7 (GC0) G - G Input Intake air temperature sensor Power switch on (IG), 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))
    z19-2 (TB2) - z19-8 (GB2) R - R Input Battery temperature sensor 2 Power switch on (IG), 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))
    z19-3 (TB1) - z19-9 (GB1) W - W Input Battery temperature sensor 1 Power switch on (IG), 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))
    z19-4 (TB0) - z19-10 (GB0) L - L Input Battery temperature sensor 0 Power switch on (IG), 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))
    z19-5 (IB0) - z19-12 (GIB) G - G Input Battery current sensor Power switch on (IG) 0.5 to 4.5 V
    z19-6 (VIB) - z19-12 (GIB) G - G Output Power source for battery current sensor Power switch on (IG) 4.5 to 5.5 V
    N72-1 (IGCT) - N72-5 (GND) W - LA Input Control signal Power switch on (IG) 11 to 14 V
    N72-2 (BTH+) - N72-5 (GND) B - LA Output Serial communication Power switch on (IG) Pulse generation
    (waveform 1)
    N72-3 (BTH-) - N72-5 (GND) R - LA Output Serial communication Power switch on (IG) Pulse generation
    (waveform 2)
    N72-5 (GND) - Body ground LA - Ground Always (continuity check) Below 1 Ω
    N72-8 (FP0) - N72-5 (GND) B - LA Input Battery cooling blower monitor signal Cooling blower stopped 0 Hz
    Cooling blower activated Pulse generation
    (waveform 3)
    1. Oscilloscope waveforms

      HINT: 

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

      1. Waveform 1 (Serial communication)
        Item Content
        Terminal for TMMC Made: 
        1. N17-2 (BTH+) - N17-5 (GND)

        for TMC Made: 
        1. N72-2 (BTH+) - N72-5 (GND)
        Equipment Setting 2 V/DIV., 500 μs/DIV.
        Condition Ignition switch ON

        HINT: 

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

        Fig 9: Waveform 1
        GTY576396Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      2. Waveform 2 (Serial communication)
        Item Content
        Terminal for TMMC Made: 
        1. N17-3 (BTH-) - N17-5 (GND)

        for TMC Made: 
        1. N72-3 (BTH-) - N72-5 (GND)
        Equipment Setting 2 V/DIV., 500 μs/DIV.
        Condition Ignition switch ON

        HINT: 

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

        Fig 10: Waveform 2
        GTY568071Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      3. Waveform 3 (Battery cooling blower monitor signal)
        Item Content
        Terminal for TMMC Made: 
        1. N17-8 (FP0) - N17-5 (GND)

        for TMC Made: 
        1. N72-8 (FP0) - N72-5 (GND)
        Equipment Setting 2 V/DIV., 2 ms/DIV.
        Condition Battery cooling blower assembly operating (Active Test of cooling fan being performed)

        HINT: 

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

        Fig 11: Waveform 3
        GTY557099Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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