| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001RK1Y |
| Model Year Start: 2021 | Model: Avalon HV | Prod Date Range: [08/2020 - ] |
| Title: HYBRID / BATTERY CONTROL: HYBRID BATTERY SYSTEM (for LITHIUM-ION BATTERY): TERMINALS OF ECU; 2021 - 2022 MY Avalon HV [08/2020 - ] | ||
TERMINALS OF ECU
|
*1 |
Battery ECU assembly |
- |
- |
|
Terminal No. (Symbols) |
Wiring Color |
Input/Output |
Terminal Description |
Condition |
Specified Condition |
|---|---|---|---|---|---|
|
y15-1 (AM) - y15-27 (GND) |
BR - W-G |
IN |
Constant power source |
Always |
11 to 14 V |
|
y15-27 (GND) - Body ground |
W-G |
Ground |
Ground |
Always |
Below 1 Ω |
|
y15-3 (GND1) - Body ground |
GR |
Ground |
Ground |
Always |
Below 1 Ω |
|
y15-4 (ERTH) - Body ground |
LG |
Ground |
Ground |
Always |
Below 1 Ω |
|
y15-18 (TB0) - y15-17 (GB0) |
P - P |
IN |
Battery temperature sensor 0 |
Power switch on (IG) HV battery temperature: -40 to 90°C (-40 to 194°F) |
4.75 (-40°C) to 0.46 V(90°C) |
|
y15-31 (TB1) - y15-30 (GB1) |
Y - Y |
IN |
Battery temperature sensor 1 |
Power switch on (IG) HV battery temperature: -40 to 90°C (-40 to 194°F) |
4.75 (-40°C) to 0.46 V(90°C) |
|
y15-7 (TB2) - y15-6 (GB2) |
L - L |
IN |
Battery temperature sensor 2 |
Power switch on (IG) HV battery temperature: -40 to 90°C (-40 to 194°F) |
4.75 (-40°C) to 0.46 V(90°C) |
|
y15-20 (TB3) - y15-19 (GB3) |
LG - B |
IN |
Battery temperature sensor 3 |
Power switch on (IG) HV battery temperature: -40 to 90°C (-40 to 194°F) |
4.75 (-40°C) to 0.46 V(90°C) |
|
y15-33 (TB4) - y15-32 (GB4) |
GR - W-G |
IN |
Battery temperature sensor 4 |
Power switch on (IG) HV battery temperature: -40 to 90°C (-40 to 194°F) |
4.75 (-40°C) to 0.46 V(90°C) |
|
y15-9 (TB5) - y15-8 (GB5) |
R - W |
IN |
Battery temperature sensor 5 |
Power switch on (IG) HV battery temperature: -40 to 90°C (-40 to 194°F) |
4.75 (-40°C) to 0.46 V(90°C) |
|
y15-22 (TC0) - y15-21 (GC0) |
P-B - V |
IN |
Intake air temperature sensor |
Power switch on (IG) HV battery intake air temperature: -40 to 90°C (-40 to 194°F) |
4.75 (-40°C) to 0.46 V(90°C) |
|
y15-12 (IB0) - y15-23 (GIB) |
BR- B-W |
IN |
Battery current sensor 0 |
Power switch on (IG) |
Approximately 2.8 V |
|
y15-24 (IB1) - y15-23 (GIB) |
L-W - B-W |
IN |
Battery current sensor 1 |
Power switch on (IG) |
Approximately 2.2 V |
|
y15-36 (VIB) - y15-23 (GIB) |
G - B-W |
OUT |
Power source for battery current sensor |
Power switch on (IG) |
4.5 to 5.5 V |
|
y15-13 (IGCT) - y15-27 (GND) |
L-W - W-G |
IN |
Power source |
Power switch on (IG) |
11 to 15.5 V |
|
y15-14 (SI0) - y15-27 (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 |
||||
|
y15-15 (FP0) - y15-27 (GND) |
V - W-G |
IN |
HV battery cooling blower monitor signal |
Cooling fans operating |
Pulse generation (Waveform 2) |
|
Cooling fans not operating |
0 Hz |
||||
|
y15-25 (CA1H) - y15-27 (GND) |
B - W-G |
IN/OUT |
CAN communication line |
Power switch on (IG) |
Pulse generation (Waveform 3) |
|
y15-26 (CA1L) - y15-27 (GND) |
LG - W-G |
IN/OUT |
CAN communication line |
Power switch on (IG) |
Pulse generation (Waveform 3) |
|
y15-28 (CA2L) - y15-27 (GND) |
W - W-G |
IN/OUT |
CAN communication line |
Power switch on (IG) |
Pulse generation (Waveform 4) |
|
y15-29 (CA2H) - y15-27 (GND) |
R - W-G |
IN/OUT |
CAN communication line |
Power switch on (IG) |
Pulse generation (Waveform 4) |
|
y14-1 (GA0) - y14-13 (VA1) |
V - P |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-13 (VA1) - y14-25 (VA2) |
P - L |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-25 (VA2) - y14-2 (VA3) |
L - W |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-2 (VA3) - y14-14 (VA4) |
W - BR |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-14 (VA4) - y14-26 (VA5) |
BR - W-G |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-26 (VA5) - y14-3 (VA6) |
W-G - B |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-3 (VA6) - y14-15 (VA7) |
B - P-B |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-15 (VA7) - y14-27 (VA8) |
P-B - L-W |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-27 (VA8) - y14-4 (VA9) |
L-W - LG |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-4 (VA9) - y14-16 (VA10) |
LG - B-W |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-16 (VA10) - y14-28 (VA11) |
B-W - Y |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-28 (VA11) - y14-5 (VA12) |
Y - G |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-5 (VA12) - y14-17 (VA13) |
G - GR |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-17 (VA13) - y14-29 (VA14) |
GR - V |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-29 (VA14) - y14-6 (VA15) |
V - R |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-6 (VA15) - y14-18 (VA16) |
R - L |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-18 (VA16) - y14-30 (VA17) |
L - P |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-30 (VA17) - y14-7 (VA18) |
P - BR |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-7 (VA18) - y14-19 (VA19) |
BR - W |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-19 (VA19) - y14-31 (VA20) |
W - B |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-31 (VA20) - y14-8 (VA21) |
B - W-G |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-8 (VA21) - y14-20 (VA22) |
W-G - L-W |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-20 (VA22) - y14-32 (VA23) |
L-W - P-B |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-32 (VA23) - y14-9 (VA24) |
P-B - B-W |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-9 (VA24) - y14-21 (VA25) |
B-W - LG |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-21 (VA25) - y14-33 (VA26) |
LG - G |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-33 (VA26) - y14-10(VA27) |
G - Y |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-10(VA27) - y14-22 (VA28) |
Y - V |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-22 (VA28) - y14-34 (VA29) |
V - GR |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-34 (VA29) - y14-11 (VA30) |
GR - L |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-11 (VA30) - y14-23 (VA31) |
L - R |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-23 (VA31) - y14-35 (VA32) |
R - BR |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-35 (VA32) - y14-12 (VA33) |
BR - P |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-12 (VA33) - y14-24 (VA34) |
P - B |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y14-24 (VA34) - y14-36 (VA35) |
B - W |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-1 (VAD) - y11-13 (VA36) |
W - B |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-13 (VA36) - y11-25 (VA37) |
B - P |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-25 (VA37) - y11-2 (VA38) |
P - BR |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-2 (VA38) - y11-14 (VA39) |
BR - R |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-14 (VA39) - y11-26 (VA40) |
R - L |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-26 (VA40) - y11-3 (VA41) |
L - GR |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-3 (VA41) - y11-15 (VA42) |
GR - V |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-15 (VA42) - y11-27 (VA43) |
V - Y |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-27 (VA43) - y11-4 (VA44) |
Y - G |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-4 (VA44) - y11-16 (VA45) |
G - LG |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-16 (VA45) - y11-28 (VA46) |
LG - B-W |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-28 (VA46) - y11-5 (VA47) |
B-W - P-B |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-5 (VA47) - y11-17 (VA48) |
P-B - L-W |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-17 (VA48) - y11-29 (VA49) |
L-W - W-G |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-29 (VA49) - y11-6 (VA50) |
W-G - B |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-6 (VA50) - y11-18 (VA51) |
B - W |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-18 (VA51) - y11-30 (VA52) |
W - BR |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-30 (VA52) - y11-7 (VA53) |
BR - P |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-7 (VA53) - y11-19 (VA54) |
P - L |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-19 (VA54) - y11-31 (VA55) |
L - R |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-31 (VA55) - y11-8 (VA56) |
R - V |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-8 (VA56) - y11-20 (VA57) |
V - GR |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-20 (VA57) - y11-32 (VA58) |
GR - G |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-32 (VA58) - y11-9 (VA59) |
G - Y |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-9 (VA59) - y11-21 (VA60) |
Y - B-W |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-21 (VA60) - y11-33 (VA61) |
B-W - LG |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-33 (VA61) - y11-10 (VA62) |
LG - L-W |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-10 (VA62) - y11-22 (VA63) |
L-W - P-B |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-22 (VA63) - y11-34 (VA64) |
P-B - B |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-34 (VA64) - y11-11 (VA65) |
B - W-G |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-11 (VA65) - y11-23 (VA66) |
W-G - BR |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-23 (VA66) - y11-35 (VA67) |
BR - W |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-35 (VA67) - y11-12 (VA68) |
W - L |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-12 (VA68) - y11-24 (VA69) |
L - P |
IN |
Hybrid Battery Cell Voltage |
Always |
1.9 to 4.1 V |
|
y11-24 (VA69) - y11-36 (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 (HV battery cooling blower operation signal)
|
Item |
Content |
|---|---|
|
Terminal |
y15-14 (SI0) - y15-27 (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 (HV battery cooling blower monitor signal)
|
Item |
Content |
|---|---|
|
Terminal |
y15-15 (FP0) - y15-27 (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 (CAN communication line)
|
Item |
Content |
|---|---|
|
Terminal |
CH1: y15-25 (CA1H) - y15-27 (GND) CH2: y15-26 (CA1L) - y15-27 (GND) |
|
Equipment Setting |
1 V/DIV., 50 μs/DIV. |
|
Condition |
Power switch on (IG) |
HINT:
The waveform will vary depending on the content of the digital communication (digital signal).
(d) Waveform 4 (CAN communication line)
|
Item |
Content |
|---|---|
|
Terminal |
CH1: y15-29 (CA2H) - y15-27 (GND) CH2: y15-28 (CA2L) - y15-27 (GND) |
|
Equipment Setting |
1 V/DIV., 50 μs/DIV. |
|
Condition |
Power switch on (IG) |
HINT:
The waveform will vary depending on the content of the digital communication (digital signal).
|
|