Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001EXK6
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 - 12/2021]
Title: PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (w/ Vacuum Brake Booster): TERMINALS OF ECU; 2019 - 2021 MY RAV4 RAV4 HV [11/2018 - 12/2021]

TERMINALS OF ECU

CHECK SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY)

*a

Front view of wire harness connector (to Skid Control ECU (Brake Actuator Assembly))

-

-

(a) Disconnect the A39 skid control ECU (brake actuator assembly) connector.

(b) Measure the voltage and resistance according to the value (s) in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

*1: w/ Stop and Start System

*2: w/o Stop and Start System

A39-30 (+BS) - Body ground

G - Body ground

Parking brake motor power supply

Always

11 to 14 V

A39-36 (IG1) - Body ground

GR - Body ground*1

V - Body ground*2

IG power supply

Ignition switch ON

10.5 to 16 V*1

11 to 14 V*2

A39-46 (GND1) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

A39-14 (GND2) - Body ground

W-B - Body ground

Ground

Always

Below 1 Ω

A39-2 (MRR+) - Body ground

Y - Body ground

Parking brake motor RH (parking brake actuator assembly RH) (+)

-

-

A39-3 (MRR-) - Body ground

L - Body ground

Parking brake motor RH (parking brake actuator assembly RH) (-)

-

-

A39-13 (MRL+) - Body ground

SB - Body ground

Parking brake motor LH (parking brake actuator assembly LH) (+)

-

-

A39-12 (MRL-) - Body ground

R - Body ground

Parking brake motor LH (parking brake actuator assembly LH) (-)

-

-

A39-31 (SWI1) - Body ground

R - Body ground

Electric parking brake switch (integration control and panel assembly)

-

-

A39-32 (SWO1) - Body ground

G - Body ground

Electric parking brake switch (integration control and panel assembly)

-

-

A39-15 (SWI2) - Body ground

W - Body ground

Electric parking brake switch (integration control and panel assembly)

-

-

A39-16 (SWO2) - Body ground

LG - Body ground

Electric parking brake switch (integration control and panel assembly)

-

-

A39-5 (CANH) - Body ground

P - Body ground

CAN communication line H

-

-

A39-19 (CANL) - Body ground

V - Body ground

CAN communication line L

-

-