Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001OBFC
Model Year Start: 2020 Model: RAV4 HV Prod Date Range: [06/2020 -           ]
Title: HYBRID / BATTERY CONTROL: HYBRID BATTERY SYSTEM (for LITHIUM-ION BATTERY): TERMINALS OF ECU; 2020 - 2024 MY RAV4 HV [06/2020 -        ]

TERMINALS OF ECU

*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

Oscilloscope waveforms

HINT:

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

(a) Waveform 1

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.

(b) 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.

(c) Waveform 3

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).

(d) Waveform 4

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).