| Last Modified: 05-08-2025 | 6.11:8.1.0 | Doc ID: RM100000001PE9F |
| Model Year Start: 2020 | Model: RAV4 HV | Prod Date Range: [06/2020 - 08/2020] |
| Title: HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for 2WD with NICKEL METAL HYDRIDE BATTERY): TERMINALS OF ECU; 2020 MY RAV4 HV [06/2020 - 08/2020] | ||
TERMINALS OF ECU
HYBRID VEHICLE CONTROL ECU ASSEMBLY
|
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 |
Power switch on (IG), shift lever in R |
7.5 to 14 V |
|
Power switch on (IG), shift lever not in R |
0 to 1.5 V |
||||
|
A29-3 (DB1) - A30-3 (E1) |
W - W-B |
Shift lever position signal |
Input |
Power switch on (IG), shift lever in D or S |
7.5 to 14 V |
|
Power switch on (IG), 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 |
Power switch on (IG) |
Pulse generation (Waveform 2) |
|
A29-5 (MREL) - A30-3 (E1) |
W - W-B |
Main relay |
Output |
Power switch on (IG) |
11 to 14 V |
|
A29-6 (HSDN) - A30-3 (E1) |
G - W-B |
MG ECU shutdown signal |
Output |
Power 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 |
Power switch on (READY) |
Pulse generation |
|
A29-11 (+B1) - A30-3 (E1) |
R - W-B |
Power source |
Input |
Power switch on (IG) |
11 to 14 V |
|
A29-14 (HMCL) - A30-3 (E1) |
W - W-B |
Communication signal |
Input/Output |
Power switch on (IG) |
Pulse generation (Waveform 2) |
|
A29-15 (DB2) - A30-3 (E1) |
P - W-B |
Shift lever position signal |
Input |
Power switch on (IG), shift lever in D or S |
7.5 to 14 V |
|
Power switch on (IG), 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 |
Power switch on (IG), shift lever in P or R |
7.5 to 14 V |
|
Power switch on (IG), 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 |
Power switch on (ACC) |
7.5 to 14 V |
|
A29-20 (BL) - A30-3 (E1) |
LA-BE - W-B |
Back-up light relay |
Output |
Power switch on (IG), 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 |
Power switch on (IG) |
4.5 to 5.5 V |
|
A29-26 (VCP2) - A29-25 (EPA2) |
SB - P |
Accelerator pedal sensor assembly power source (for VPA2) |
Output |
Power switch on (IG) |
4.5 to 5.5 V |
|
A29-28 (P) - A30-3 (E1) |
BR - W-B |
Shift lever position signal |
Input |
Power switch on (IG), shift lever in P |
7.5 to 14 V |
|
Power switch on (IG), shift lever not in P |
0 to 1.5 V |
||||
|
A29-29 (N) - A30-3 (E1) |
G - W-B |
Shift lever position signal |
Input |
Power switch on (IG), shift lever in N |
7.5 to 14 V |
|
Power switch on (IG), shift lever not in N |
0 to 1.5 V |
||||
|
A29-30 (PNB) - A30-3 (E1) |
B - W-B |
Shift lever position signal |
Input |
Power switch on (IG), 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 |
Power switch on (READY) |
Pulse generation (Waveform 1) |
|
A29-34 (IWP) - A30-3 (E1) |
L - W-B |
Inverter water pump assembly signal |
Output |
Power 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 |
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 |
||||
|
A29-38 (VPA2) - A29-25 (EPA2) |
GR - P |
Accelerator pedal sensor assembly (for accelerator pedal sensor malfunction 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 |
||||
|
A29-40 (TTA) - A29-39 (ETTA) |
GR - W |
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 |
||||
|
A29-46 (MMT) - A29-45 (MMTG) |
Y - BE |
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 |
||||
|
A29-48 (GMT) - A29-47 (GMTG) |
P - V |
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 |
||||
|
A30-1 (+B2) - A30-3 (E1) |
BE - W-B |
Power source |
Input |
Power switch on (IG) |
11 to 14 V |
|
A30-4 (ST2) - A30-3 (E1) |
L - W-B |
Starter signal |
Input |
Power switch on (IG) |
0 to 1.5 V |
|
A30-7 (INDR) - A30-3 (E1) |
LG - 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 |
||||
|
A30-8 (INDD) - A30-3 (E1) |
W - 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 |
||||
|
A30-11 (SFTD) - A30-3 (E1) |
G - W-B |
Transmission control |
Input |
Power switch on (IG), shift lever in S |
11 to 14 V |
|
Power switch on (IG), shift lever in (-) or shift paddle switch LH (-) operated |
0 to 1.5 V |
||||
|
A30-19 (INDP) - A30-3 (E1) |
B - 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 |
||||
|
A30-20 (INDM) - A30-3 (E1) |
LA-Y - W-B |
Shift position indicator signal |
Input |
Power switch on (IG), shift lever in S |
0 to 3.2 V |
|
Power switch on (IG), shift lever not in S |
11 to 14 V |
||||
|
A30-21 (INDN) - A30-3 (E1) |
V - 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 |
||||
|
A30-24 (SFTU) - A30-3 (E1) |
Y - W-B |
Transmission control |
Input |
Power switch on (IG), shift lever in S |
11 to 14 V |
|
Power switch on (IG), shift lever in (+) or shift paddle switch RH (+) operated |
0 to 1.5 V |
||||
|
A30-25 (M) - A30-3 (E1) |
LA-B - W-B |
Transmission control |
Input |
Power switch on (IG), shift lever in S |
11 to 14 V |
|
Power switch on (IG), shift lever not in S |
0 to 1.5 V |
||||
|
A30-27 (BATT) - A30-3 (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 |
||||
|
A30-29 (ABFS) - A30-3 (E1) |
V - W-B |
Airbag activation signal |
Input |
Power switch on (READY) |
Pulse generation (Waveform 5) |
|
A30-33 (EVSW) - A30-3 (E1) |
G - W-B |
EV mode switch (integration control and panel assembly) signal |
Input |
Power switch on (IG), EV mode switch (integration control and panel assembly) not operated |
11 to 14 V |
|
Power switch on (IG), EV 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 |
Power switch on (IG), SPORT mode switch (integration control and panel assembly) not operated |
11 to 14 V |
|
Power switch on (IG), SPORT mode switch (integration control and panel assembly) being pushed 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 |
Power switch on (IG), NORMAL mode switch (integration control and panel assembly) not operated |
11 to 14 V |
|
Power switch on (IG), 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 |
Power switch on (IG) |
11 to 14 V |
|
A31-5 (ILK) - A30-3 (E1) |
V - 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 |
||||
|
A31-7 (CA3P) - A30-3 (E1) |
G - W-B |
CAN communication signal |
Input/Output |
Power switch on (IG) |
Pulse generation (Waveform 8) |
|
A31-8 (CA1L) - A30-3 (E1) |
W - W-B |
CAN communication signal |
Input/Output |
Power switch on (IG) |
Pulse generation (Waveform 6) |
|
A31-13 (SMRG) - A31-12 (E01) |
G - W-B |
System main relay operation signal |
Output |
Power switch on (IG)→Power switch on (READY) |
Pulse generation (Waveform 3) |
|
A31-15 (SMRP) - A31-12 (E01) |
W - W-B |
System main relay operation signal |
Output |
Power switch on (IG)→Power switch on (READY) |
Pulse generation (Waveform 3) |
|
A31-16 (SMRB) - A31-12 (E01) |
GR - W-B |
System main relay operation signal |
Output |
Power switch on (IG)→Power switch on (READY) |
Pulse generation (Waveform 3) |
|
A31-20 (CA3N) - A30-3 (E1) |
W - W-B |
CAN communication signal |
Input/Output |
Power switch on (IG) |
Pulse generation (Waveform 8) |
|
A31-21 (CA1H) - A30-3 (E1) |
L - W-B |
CAN communication signal |
Input/Output |
Power switch on (IG) |
Pulse generation (Waveform 6) |
|
A31-25 (PLKC) - A30-3 (E1) |
BE - 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 |
||||
|
A31-28 (ST1-) - A30-3 (E1) |
LA-G - W-B |
Stop light switch signal |
Input |
Power switch on (IG), brake pedal depressed |
0 to 1.5 V |
|
Power switch on (IG), brake pedal released |
11 to 14 V |
||||
|
A31-29 (ACCI) - A30-3 (E1) |
P - W-B |
ACC relay |
Input |
Power switch on (ACC) |
11 to 14 V |
|
A31-35 (IG2) - A30-3 (E1) |
B - W-B |
Power source |
Input |
Power switch on (IG) |
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 7) |
|
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 |
Power switch on (IG) |
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 |
Power switch on (IG) |
Pulse generation (Waveform 4) |
(a) 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 |
Power switch on (READY) |
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 |
Power switch on (IG) |
HINT:
The waveform will vary depending on the content of the digital communication (digital signal).
(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 |
Power switch on (IG) → Power switch on (READY) |
(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 |
Power switch on (IG) |
HINT:
The waveform will vary depending on the content of the digital communication (digital signal).
(5) Waveform 5 (Airbag activation signal)
|
Item |
Content |
|---|---|
|
Terminal |
A30-29 (ABFS) - A30-3 (E1) |
|
Equipment Setting |
5 V/DIV., 150 ms./DIV. |
|
Condition |
Power switch on (READY) |
(6) Waveform 6 (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 |
Power switch on (IG) |
HINT:
The waveform will vary depending on the content of the digital communication (digital signal).
(7) Waveform 7 (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.
(8) Waveform 8 (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 |
Power switch on (IG) |
HINT:
The waveform will vary depending on the content of the digital communication (digital signal).
BATTERY VOLTAGE SENSOR
|
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) |
(a) 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 |
N72-2 (BTH+) - N72-5 (GND) |
|
Equipment Setting |
2 V/DIV., 500 μs/DIV. |
|
Condition |
Power switch on (IG) |
HINT:
The waveform will vary depending on the content of the digital communication (digital signal).
(2) Waveform 2 (Serial communication)
|
Item |
Content |
|---|---|
|
Terminal |
N72-3 (BTH-) - N72-5 (GND) |
|
Equipment Setting |
2 V/DIV., 500 μs/DIV. |
|
Condition |
Power switch on (IG) |
HINT:
The waveform will vary depending on the content of the digital communication (digital signal).
(3) Waveform 3 (Battery cooling blower monitor signal)
|
Item |
Content |
|---|---|
|
Terminal |
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.
|
|