Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001OBCB
Model Year Start: 2020 Model: RAV4 HV Prod Date Range: [06/2020 -           ]
Title: HYBRID / BATTERY CONTROL: HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY): TERMINALS OF ECU; 2020 - 2024 MY RAV4 HV [06/2020 -        ]

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

Ignition switch ON, shift lever in R

6 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

6 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

6 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

6 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)

6 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

6 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

6 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

6 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 5)

A31-8 (CA1L) - A30-3 (E1)

W - W-B

CAN communication signal

Input/Output

Ignition switch ON

Pulse generation

(Waveform 4)

A31-9 (CA4H) - A30-3 (E1)

R - W-B

CAN communication signal

Input/Output

Ignition switch ON

Pulse generation

(Waveform 6)

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 5)

A31-21 (CA1H) - A30-3 (E1)

L - W-B

CAN communication signal

Input/Output

Ignition switch ON

Pulse generation

(Waveform 4)

A31-22 (CA4L) - A30-3 (E1)

W - W-B

CAN communication signal

Input/Output

Ignition switch ON

Pulse generation

(Waveform 6)

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

(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

Ignition 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

Ignition switch ON

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

Ignition switch ON → Ignition switch ON (READY)

(4) Waveform 4 (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).

(5) Waveform 5 (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).

(6) Waveform 6 (CAN communication signal)

Item

Content

Terminal

CH1: A31-9 (CA4H) - A30-3 (E1)

CH2: A31-22 (CA4L) - 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).