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Terminals Of Ecu [06/2020 - ]

WARNING: This page is about a different variant/trim than selected.
GTY993630Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
*1 Battery ECU assembly - -
Terminal No.
(Symbols)		 Wiring Color Input/Output Terminal Description Condition Specified Condition
z26-1 (AM) - z26-27 (GND) BR - W-G IN Constant power source Always 11 to 14 V
z26-27 (GND) - Body ground W-G Ground Ground Always Below 1 Ω
z26-3 (GND1) - Body ground GR Ground Ground Always Below 1 Ω
z26-4 (ERTH) - Body ground LG Ground Ground Always Below 1 Ω
z26-18 (TB0) - z26-17 (GB0) P - P IN Battery temperature sensor 0 Ignition switch ON
HV battery temperature: -40 to 90°C (-40 to 194°F)		 4.75 (-40°C) to 0.46 V(90°C)
z26-31 (TB1) - z26-30 (GB1) Y - Y IN Battery temperature sensor 1 Ignition switch ON
HV battery temperature: -40 to 90°C (-40 to 194°F)		 4.75 (-40°C) to 0.46 V(90°C)
z26-7 (TB2) - z26-6 (GB2) L - L IN Battery temperature sensor 2 Ignition switch ON
HV battery temperature: -40 to 90°C (-40 to 194°F)		 4.75 (-40°C) to 0.46 V(90°C)
z26-20 (TB3) - z26-19 (GB3) LG - B IN Battery temperature sensor 3 Ignition switch ON
HV battery temperature: -40 to 90°C (-40 to 194°F)		 4.75 (-40°C) to 0.46 V(90°C)
z26-33 (TB4) - z26-32 (GB4) GR - W-G IN Battery temperature sensor 4 Ignition switch ON
HV battery temperature: -40 to 90°C (-40 to 194°F)		 4.75 (-40°C) to 0.46 V(90°C)
z26-9 (TB5) - z26-8 (GB5) R - W IN Battery temperature sensor 5 Ignition switch ON
HV battery temperature: -40 to 90°C (-40 to 194°F)		 4.75 (-40°C) to 0.46 V(90°C)
z26-22 (TC0) - z26-21 (GC0) P-B - V IN Intake air temperature sensor Ignition switch ON
HV battery intake air temperature: -40 to 90°C (-40 to 194°F)		 4.75 (-40°C) to 0.46 V(90°C)
z26-12 (IB0) - z26-23 (GIB) BR- B-W IN Battery current sensor 0 Ignition switch ON Approximately 2.8 V
z26-24 (IB1) - z26-23 (GIB) L-W - B-W IN Battery current sensor 1 Ignition switch ON Approximately 2.2 V
z26-36 (VIB) - z26-23 (GIB) G - B-W OUT Power source for battery current sensor Ignition switch ON 4.5 to 5.5 V
z26-13 (IGCT) - z26-27 (GND) L-W - W-G IN Power source Ignition switch ON 11 to 15.5 V
z26-14 (SI0) - z26-27 (GND) P-B - W-G OUT HV battery cooling blower operation signal Cooling fans operating Pulse generation
(Waveform 1)
Cooling fans not operating 4.5 to 5.5 V
z26-15 (FP0) - z26-27 (GND) V - W-G IN HV battery cooling blower monitor signal Cooling fans operating Pulse generation
(Waveform 2)
Cooling fans not operating 0 Hz
z26-25 (CA1H) - z26-27 (GND) B - W-G IN/OUT CAN communication line Ignition switch ON Pulse generation
(Waveform 3)
z26-26 (CA1L) - z26-27 (GND) LG - W-G IN/OUT CAN communication line Ignition switch ON Pulse generation
(Waveform 3)
z26-28 (CA2L) - z26-27 (GND) W - W-G IN/OUT CAN communication line Ignition switch ON Pulse generation
(Waveform 4)
z26-29 (CA2H) - z26-27 (GND) R - W-G IN/OUT CAN communication line Ignition switch ON Pulse generation
(Waveform 4)
z29-1 (GA0) - z29-13 (VA1) V - P IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-13 (VA1) - z29-25 (VA2) P - L IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-25 (VA2) - z29-2 (VA3) L - W IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-2 (VA3) - z29-14 (VA4) W - BR IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-14 (VA4) - z29-26 (VA5) BR - W-G IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-26 (VA5) - z29-3 (VA6) W-G - B IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-3 (VA6) - z29-15 (VA7) B - P-B IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-15 (VA7) - z29-27 (VA8) P-B - L-W IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-27 (VA8) - z29-4 (VA9) L-W - LG IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-4 (VA9) - z29-16 (VA10) LG - B-W IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-16 (VA10) - z29-28 (VA11) B-W - Y IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-28 (VA11) - z29-5 (VA12) Y - G IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-5 (VA12) - z29-17 (VA13) G - GR IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-17 (VA13) - z29-29 (VA14) GR - V IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-29 (VA14) - z29-6 (VA15) V - R IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-6 (VA15) - z29-18 (VA16) R - L IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-18 (VA16) - z29-30(VA17) L - P IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-30(VA17) - z29-7 (VA18) P - BR IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-7 (VA18) - z29-19 (VA19) BR - W IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-19 (VA19) - z29-31 (VA20) W - B IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-31 (VA20) - z29-8 (VA21) B - W-G IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-8 (VA21) - z29-20(VA22) W-G - L-W IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-20(VA22) - z29-32 (VA23) L-W - P-B IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-32 (VA23) - z29-9 (VA24) P-B - B-W IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-9 (VA24) - z29-21 (VA25) B-W - LG IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-21 (VA25) - z29-33 (VA26) LG - G IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-33 (VA26) - z29-10(VA27) G - Y IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-10(VA27) - z29-22 (VA28) Y - V IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-22 (VA28) - z29-34 (VA29) V - GR IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-34 (VA29) - z29-11 (VA30) GR - L IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-11 (VA30) - z29-23 (VA31) L - R IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-23 (VA31) - z29-35 (VA32) R - BR IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-35 (VA32) - z29-12 (VA33) BR - P IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-12 (VA33) - z29-24 (VA34) P - B IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z29-24 (VA34) - z29-36 (VA35) B - W IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-1 (VAD) - z27-13 (VA36) W - B IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-13 (VA36) - z27-25 (VA37) B - P IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-25 (VA37) - z27-2 (VA38) P - BR IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-2 (VA38) - z27-14 (VA39) BR - R IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-14 (VA39) - z27-26 (VA40) R - L IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-26 (VA40) - z27-3 (VA41) L - GR IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-3 (VA41) - z27-15 (VA42) GR - V IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-15 (VA42) - z27-27 (VA43) V - Y IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-27 (VA43) - z27-4 (VA44) Y - G IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-4 (VA44) - z27-16 (VA45) G - LG IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-16 (VA45) - z27-28 (VA46) LG - B-W IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-28 (VA46) - z27-5 (VA47) B-W - P-B IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-5 (VA47) - z27-17 (VA48) P-B - L-W IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-17 (VA48) - z27-29 (VA49) L-W - W-G IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-29 (VA49) - z27-6 (VA50) W-G - B IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-6 (VA50) - z27-18 (VA51) B - W IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-18 (VA51) - z27-30(VA52) W - BR IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-30(VA52) - z27-7 (VA53) BR - P IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-7 (VA53) - z27-19 (VA54) P - L IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-19 (VA54) - z27-31 (VA55) L - R IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-31 (VA55) - z27-8 (VA56) R - V IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-8 (VA56) - z27-20(VA57) V - GR IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-20(VA57) - z27-32 (VA58) GR - G IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-32 (VA58) - z27-9 (VA59) G - Y IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-9 (VA59) - z27-21 (VA60) Y - B-W IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-21 (VA60) - z27-33 (VA61) B-W - LG IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-33 (VA61) - z27-10(VA62) LG - L-W IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-10(VA62) - z27-22 (VA63) L-W - P-B IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-22 (VA63) - z27-34 (VA64) P-B - B IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-34 (VA64) - z27-11 (VA65) B - W-G IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-11 (VA65) - z27-23 (VA66) W-G - BR IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-23 (VA66) - z27-35 (VA67) BR - W IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-35 (VA67) - z27-12 (VA68) W - L IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-12 (VA68) - z27-24 (VA69) L - P IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
z27-24 (VA69) - z27-36 (VA70) P - V IN Hybrid Battery Cell Voltage Always 1.9 to 4.1 V
  1. Oscilloscope waveforms 

    HINT: 

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

    1. Waveform 1
      Fig 1: Waveform 1
      GTY591800Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Item Content
      Terminal z26-14 (SI0) - z26-27 (GND)
      Equipment Setting 10 V/DIV., 1 ms/DIV.
      Condition Cooling fans operating

      HINT: 

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

    2. Waveform 2
      Item Content
      Terminal z26-15 (FP0) - z26-27 (GND)
      Equipment Setting 2 V/DIV., 2 ms/DIV.
      Condition Battery cooling blower assembly operating (Active Test of cooling fan being performed)

      HINT: 

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

      Fig 2: Waveform 2
      GTY750585Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Waveform 3
      Fig 3: Waveform 3
      GTY539824Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Item Content
      Terminal CH1: z26-25 (CA1H) - z26-27 (GND)
      CH2: z26-26 (CA1L) - z26-27 (GND)
      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).

    4. Waveform 4
      Fig 4: Waveform 4
      GTY539824Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Item Content
      Terminal CH1: z26-29 (CA2H) - z26-27 (GND)
      CH2: z26-28 (CA2L) - z26-27 (GND)
      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).

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