Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001FQP7
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 - 10/2023]
Title: DOOR / HATCH: POWER BACK DOOR SYSTEM (for Gasoline Model): Back Door Closer does not Operate; 2019 - 2023 MY RAV4 [11/2018 - 10/2023]

Back Door Closer does not Operate

DESCRIPTION

The back door lock with courtesy light switch assembly is controlled by the multiplex network door ECU. The multiplex network door ECU is activated according to the switch signals in the back door lock with courtesy light switch assembly.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • Inspect fuses for circuits related to this system before performing the following inspection procedure.
  • If the replacement, removal and installation of the multiplex network door ECU or disconnection of the connectors of the multiplex network door ECU has been performed, initialize the power back door system.

    Click here 2019 - 2023 MY RAV4 [11/2018 - 10/2023]; DOOR / HATCH: POWER BACK DOOR SYSTEM (for Gasoline Model): INITIALIZATION

  • If the main body ECU (multiplex network body ECU) is replaced, refer to Registration.
  • As the door control battery is installed between the vehicle battery and main body ECU (multiplex network body ECU), first perform the inspections in On-Vehicle Inspection to confirm that there are no malfunctions in the power source circuit for the main body ECU (multiplex network body ECU) before performing this troubleshooting procedure.*
    • *: w/ Door Control Battery
  • This check is possible only when the power back door function customization setting using the multi-information display in the combination meter assembly is set to ON (initial setting is ON).

    Click here 2019 - 2023 MY RAV4 [11/2018 - 10/2023]; DOOR / HATCH: POWER BACK DOOR SYSTEM (for Gasoline Model): CUSTOMIZE PARAMETERS

PROCEDURE

1.

CHECK VEHICLE CONDITION

(a) Check that power back door function on the multi-information display in the combination meter assembly is set to ON.

Click here 2019 - 2023 MY RAV4 [11/2018 - 10/2023]; DOOR / HATCH: POWER BACK DOOR SYSTEM (for Gasoline Model): CUSTOMIZE PARAMETERS

Result

Proceed to

Power back door function on the multi-information display in the combination meter assembly is set to ON (power back door system operation is permitted)

A

Power back door function on the multi-information display in the combination meter assembly is set to OFF (power back door system operation is prohibited)

B
B

SET POWER BACK DOOR FUNCTION TO ON (PERMIT POWER BACK DOOR SYSTEM OPERATION)
A

2.

CHECK POWER BACK DOOR SYSTEM CONDITION

(a) Check power back door system condition.

Result

Proceed to

The malfunction symptom reproduces

A

The malfunction symptom does not reproduce

B
B

GO TO POWER BACK DOOR CANNOT BE OPERATED FREQUENTLY

A

3.

CHECK FOR DTC

(a) Check for DTCs.

Click here 2019 - 2023 MY RAV4 [11/2018 - 10/2023]; DOOR / HATCH: POWER BACK DOOR SYSTEM (for Gasoline Model): DTC CHECK / CLEAR

Body Electrical > Back Door > Trouble Codes

Result

Proceed to

DTC is not output

A

DTC B2250 is output

B

DTC B2251 is output

C
B

GO TO DTC B2250

C

GO TO DTC B2251

A

4.

CHECK BACK DOOR

(a) Check if the back door can be fully closed by hand.

Result

Proceed to

The back door can be closed normally

A

The back door cannot be closed normally

B
B

IMPROPER FIT OF BACK DOOR, OR A FOREIGN OBJECT IS STUCK IN BACK DOOR
A

5.

CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK DOOR ECU -BATTERY AND BODY GROUND)

(a) Disconnect the multiplex network door ECU connectors.

*a

Rear view of wire harness connector

(to Multiplex Network Door ECU)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

R19-10 (GND) - Body ground

Always

Below 1 Ω

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

R18-20 (ECUB) - Body ground

Always

11 to 14 V

R19-1 (B) - Body ground

Always

11 to 14 V

R18-18 (IG) - Body ground

Engine switch on (IG)

11 to 14 V

Engine switch off

Below 1 V
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

6.

INSPECT BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY

(a) Remove the back door lock with courtesy light switch assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; DOOR LOCK: BACK DOOR LOCK: REMOVAL

(b) Inspect the back door lock with courtesy light switch assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; DOOR LOCK: BACK DOOR LOCK: INSPECTION

NG

REPLACE BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY

OK

7.

CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK WITH COURTESY LIGHT SWITCH ASSEMBLY - MULTIPLEX NETWORK DOOR ECU AND BODY GROUND)

(a) Disconnect the R13 and R14 back door lock with courtesy light switch assembly connectors.

(b) Disconnect the R18 and R19 multiplex network door ECU connectors.

(c) Disconnect the 4H instrument panel junction block assembly connector.

(d) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

R13-2 (M+) - R19-4 (DC+)

Always

Below 1 Ω

R13-1 (M-) - R19-3 (DC-)

Always

Below 1 Ω

R14-4 (CTY) - R18-11 (FUL)

Always

Below 1 Ω

R14-2 (FSW) - R18-13 (PAWL)

Always

Below 1 Ω

R14-3 (CLS) - R18-9 (HAF)

Always

Below 1 Ω

R14-6 (OPN) - R18-7 (POS)

Always

Below 1 Ω

R14-1 (E) - Body ground

Always

Below 1 Ω

R13-2 (M+) or R19-4 (DC+) - Body ground

Always

10 kΩ or higher

R13-1 (M-) or R19-3 (DC-) - Body ground

Always

10 kΩ or higher

R14-2 (FSW) or R18-13 (PAWL) - Body ground

Always

10 kΩ or higher

R14-4 (CTY) or R18-11 (FUL) - Body ground

Always

10 kΩ or higher

R14-3 (CLS) or R18-9 (HAF) - Body ground

Always

10 kΩ or higher

R14-6 (OPN) or R18-7 (POS) - Body ground

Always

10 kΩ or higher
OK

REPLACE MULTIPLEX NETWORK DOOR ECU

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR