Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001OQZ5
Model Year Start: 2020 Model: RAV4 HV Prod Date Range: [06/2020 -           ]
Title: HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for LITHIUM-ION BATTERY): TERMINALS OF ECU; 2020 - 2024 MY RAV4 HV [06/2020 -        ]

TERMINALS OF ECU

*1

Inverter with Converter Assembly

HINT:

Since the inverter with converter assembly uses waterproof connectors, the voltage and waveforms cannot be inspected directly. Standard voltage readings and waveforms are indicated for reference only.

Inverter with Converter Assembly

Terminal No.

(Symbol)

Wiring Color

Input/Output

Terminal Description

Condition

Standard Condition

A87-1 (RRFG) - A87-28 (RRF)

G - BR

Output

Rear motor resolver signal

Rear motor resolver running

Pulse generation

(Waveform 7)

A87-3 (HMCH) - A87-9 (GND1)

B - W-B

Input/Output

Communication signal

Ignition switch ON

Pulse generation

(Waveform 4)

A87-4 (HMCL) - A87-9 (GND1)

W - W-B

Input/Output

Communication signal

Ignition switch ON

Pulse generation

(Waveform 4)

A87-6 (HSDN) - A87-9 (GND1)

G - W-B

Input

MG shutdown signal

Ignition switch ON (READY)

0 to 1 V

A87-10 (RSNG) - A87-19 (RSN)

R - L

Input

Rear motor resolver signal

Rear motor resolver running

Pulse generation

(Waveform 7)

A87-16 (GI) - A87-9 (GND1)

R - W-B

Input

Camshaft position sensor signal

Ignition switch ON (READY), engine running

Pulse generation

(Waveform 2)

A87-17 (NE) - A87-9 (GND1)

B - W-B

Input

Crankshaft position sensor signal

Ignition switch ON (READY), engine running

Pulse generation

(Waveform 3)

A87-18 (ABFS) - A87-9 (GND1)

LG - W-B

Input

Airbag activation signal

Ignition switch ON (READY)

Pulse generation

(Waveform 9)

A87-20 (RCSG) - A87-29 (RCS)

Y - W

Input

Rear motor resolver signal

Rear motor resolver running

Pulse generation

(Waveform 7)

A87-22 (CANH) - A87-9 (GND1)

V - W-B

Input/Output

CAN communication signal

Ignition switch ON

Pulse generation

(Waveform 1)

A87-24 (CNH2) - A87-9 (GND1)

LG - W-B

Input/Output

CAN communication signal

Ignition switch ON

Pulse generation

(Waveform 8)

A87-26 (IGCT) - A87-9 (GND1)

BE - W-B

Input

Motor generator control ECU (MG ECU) power source

Ignition switch ON

11 to 14 V

A87-27 (+B3) - A87-9 (GND1)

L - W-B

Input

Discharge control power source

Always

11 to 14 V

A87-31 (CANL) - A87-9 (GND1)

W - W-B

Input/Output

CAN communication signal

Ignition switch ON

Pulse generation

(Waveform 1)

A87-33 (CNL2) - A87-9 (GND1)

W - W-B

Input/Output

CAN communication signal

Ignition switch ON

Pulse generation

(Waveform 8)

A87-35 (+B2) - A87-9 (GND1)

GR - W-B

Input

Motor generator control ECU (MG ECU) power source

Ignition switch ON

11 to 14 V

A87-36 (+B) - A87-9 (GND1)

W - W-B

Input

Motor generator control ECU (MG ECU) power source

Ignition switch ON

11 to 14 V

C49-1 (MSN) - C49-2 (MSNG)

G - Y

Input

Motor resolver signal

Motor resolver running

Pulse generation

(Waveform 5)

C49-3 (MCSG) - C49-4 (MCS)

B - L

Input

Motor resolver signal

Motor resolver running

Pulse generation

(Waveform 5)

C49-5 (MRF) - C49-6 (MRFG)

W - R

Output

Motor resolver reference signal

Motor resolver running

Pulse generation

(Waveform 5)

C49-8 (GRF) - C49-9 (GRFG)

SB - V

Output

Generator resolver reference signal

Generator resolver running

Pulse generation

(Waveform 6)

C49-10 (GSN) - C49-11 (GSNG)

GR - P

Input

Generator resolver signal

Generator resolver running

Pulse generation

(Waveform 6)

C49-12 (GCSG) - C49-13 (GCS)

BR - LG

Input

Generator resolver signal

Generator resolver running

Pulse generation

(Waveform 6)

NOTICE:

Do not measure the voltage or waveform on the sealed side of the inverter with converter assembly connector. Doing so may damage the connector because the connector is waterproof.

Oscilloscope waveforms

HINT:

Oscilloscope waveforms shown in the illustrations are examples for reference only. Noise, chattering, etc. are not shown.

(a) Waveform 1 (CAN communication signal)

Item

Content

Terminal

CH1: A87-22 (CANH) - A87-9 (GND1)

CH2: A87-31 (CANL) - A87-9 (GND1)

Equipment Setting

1 V/DIV., 50 μs./DIV.

Condition

Ignition switch ON

(b) Waveform 2 (camshaft position sensor signal)

Item

Content

Terminal

A87-16 (GI) - A87-9 (GND1)

Equipment Setting

5 V/DIV., 20 ms./DIV.

Condition

Ignition switch ON (READY), engine running

HINT:

The wavelength becomes shorter as the engine speed increases.

(c) Waveform 3 (crankshaft position sensor signal)

Item

Content

Terminal

A87-17 (NE) - A87-9 (GND1)

Equipment Setting

5 V/DIV., 20 ms./DIV.

Condition

Ignition switch ON (READY), engine running

HINT:

The wavelength becomes shorter as the engine speed increases.

(d) Waveform 4 (communication signal)

Item

Content

Terminal

CH1: A87-3 (HMCH) - A87-9 (GND1)

CH2: A87-4 (HMCL) - A87-9 (GND1)

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).

(e) Waveform 5 (motor resolver signal)

Item

Content

Terminal

CH1: C49-5 (MRF) - C49-6 (MRFG)

CH2: C49-1 (MSN) - C49-2 (MSNG)

CH3: C49-4 (MCS) - C49-3 (MCSG)

Equipment Setting

CH1: 10 V/DIV., 1 ms./DIV.

CH2: 5 V/DIV., 1 ms./DIV.

CH3: 5 V/DIV., 1 ms./DIV.

Condition

Motor resolver running

HINT:

The width indicated by (A) becomes shorter as the rotor speed increases.

(f) Waveform 6 (generator resolver signal)

Item

Content

Terminal

CH1: C49-8 (GRF) - C49-9 (GRFG)

CH2: C49-10 (GSN) - C49-11 (GSNG)

CH3: C49-13 (GCS) - C49-12 (GCSG)

Equipment Setting

CH1: 10 V/DIV., 1 ms./DIV.

CH2: 5 V/DIV., 1 ms./DIV.

CH3: 5 V/DIV., 1 ms./DIV.

Condition

Generator resolver running

HINT:

The width indicated by (A) becomes shorter as the rotor speed increases.

(g) Waveform 7 (rear motor resolver signal)

Item

Content

Terminal

CH1: A87-28 (RRF) - A87-1 (RRFG)

CH2: A87-19 (RSN) - A87-10 (RSNG)

CH3: A87-29 (RCS) - A87-20 (RCSG)

Equipment Setting

CH1: 10 V/DIV., 1 ms./DIV.

CH2: 5 V/DIV., 1 ms./DIV.

CH3: 5 V/DIV., 1 ms./DIV.

Condition

Rear motor resolver running

HINT:

The width indicated by (A) becomes shorter as the rotor speed increases.

(h) Waveform 8 (communication signal)

Item

Content

Terminal

CH1: A87-24 (CNH2) - A87-9 (GND1)

CH2: A87-33 (CNL2) - A87-9 (GND1)

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).

(i) Waveform 9 (Airbag activation signal)

Item

Content

Terminal

A87-18 (ABFS) - A87-9 (GND1)

Equipment Setting

5 V/DIV., 150 ms./DIV.

Condition

Ignition switch ON (READY)