Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001EXII
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 - 02/2019]
Title: PARKING BRAKE: ELECTRIC PARKING BRAKE SYSTEM (w/o Vacuum Brake Booster): TERMINALS OF ECU; 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]

TERMINALS OF ECU

CHECK PARKING BRAKE ECU ASSEMBLY

*a

Front view of wire harness connector

(to Parking Brake ECU Assembly)

-

-

(a) Disconnect the parking brake ECU assembly connectors.

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

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

M36-7 (+B) - Body ground

W

Parking brake motor RH (Parking brake actuator assembly RH) power supply

Always

11 to 14 V

M36-9 (GND1) - Body ground

W-B

Ground

Always

Below 1 Ω

M36-12 (+B2) - Body ground

LG

Parking brake motor LH (Parking brake actuator assembly LH) power supply

Always

11 to 14 V

M35-3 (BECU) - Body ground

L

Parking brake ECU assembly power supply

Always

11 to 14 V

M35-5 (IG) - Body ground

W

IG power supply

Power switch on (IG)

11 to 14 V

(c) Connect the parking brake ECU assembly connectors.

*a

Component with harness connected

(Parking Brake ECU Assembly)

-

-

(d) Measure the voltage according to the values in the table below.

Terminal No. (Symbol)

Wiring Color

Terminal Description

Condition

Specified Condition

M36-1 (MRR+) - Body ground

SB

Parking brake motor RH (Parking brake actuator assembly RH) (+)
  • Power switch on (IG)
  • Parking brake not operating

3.9 to 6.2 V

M36-3 (MRR-) - Body ground

G

Parking brake motor RH (Parking brake actuator assembly RH) (-)
  • Power switch on (IG)
  • Parking brake not operating

3.9 to 6.2 V

M36-4 (MRL+) - Body ground

B

Parking brake motor LH (Parking brake actuator assembly LH) (+)
  • Power switch on (IG)
  • Parking brake not operating

3.9 to 6.2 V

M36-6 (MRL-) - Body ground

R

Parking brake motor LH (Parking brake actuator assembly LH) (-)
  • Power switch on (IG)
  • Parking brake not operating

3.9 to 6.2 V

M35-14 (POL) - Body ground

L

Electric parking brake switch indicator light
  • Power switch on (IG)
  • Electric parking brake switch indicator light off

9 to 14 V

M35-15 (LCK2) - Body ground

GR

Electric parking brake switch (integration control and panel assembly) lock 2
  • Power switch on (IG)
  • Electric parking brake switch (integration control and panel assembly) off (released)

6.5 to 10 V
  • Power switch on (IG)
  • Electric parking brake switch (integration control and panel assembly) pulled and held to lock side

2.8 to 5 V

M35-16 (REL2) - Body ground

LG

Electric parking brake switch (integration control and panel assembly) release 2
  • Power switch on (IG)
  • Electric parking brake switch (integration control and panel assembly) off (released)

6.5 to 10 V
  • Power switch on (IG)
  • Electric parking brake switch (integration control and panel assembly) pushed and held to release side

2.8 to 5 V

M35-19 (REL1) - Body ground

L

Electric parking brake switch (integration control and panel assembly) release 1
  • Power switch on (IG)
  • Electric parking brake switch (integration control and panel assembly) off (released)

6.5 to 10 V
  • Power switch on (IG)
  • Electric parking brake switch (integration control and panel assembly) pushed and held to release side

2.8 to 5 V

M35-20 (LCK1) - Body ground

B

Electric parking brake switch (integration control and panel assembly) lock 1
  • Power switch on (IG)
  • Electric parking brake switch (integration control and panel assembly) off (released)

1.8 to 3.3 V
  • Power switch on (IG)
  • Electric parking brake switch (integration control and panel assembly) pulled and held to lock side

2.2 to 3.7 V