Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001FQP8
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 - 10/2023]
Title: DOOR / HATCH: POWER BACK DOOR SYSTEM (for Gasoline Model): Power Back Door cannot be Operated Using Any Switch; 2019 - 2023 MY RAV4 [11/2018 - 10/2023]

Power Back Door cannot be Operated Using Any Switch

DESCRIPTION

The power back door controls the multiplex network door ECU and operates the power back door unit assembly and back door lock assembly.

If the power back door does not operate using any of the operations, a malfunction related to the power back door operation conditions or multiplex network door ECU are possible causes.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • First perform the communication function inspections in How to Proceed with Troubleshooting to confirm that there are no CAN communication malfunctions before troubleshooting this problem.

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

  • Inspect fuses for circuits related to this system before performing the following inspection procedure.
  • 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

  • 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 2-step unlock function is enabled via customize settings, only the driver door unlocks when the first unlock operation is performed and the power back door does not operate as all the doors are not unlocked.

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 CUSTOMIZE SETTING (UNLOCK KEY TWICE)

(a) Read the customize setting "Unlock Key Twice" according to the display on the GTS.

Click here 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: CUSTOMIZE PARAMETERS 2019 - 2020 MY RAV4 RAV4 HV [02/2019 - 08/2020]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: CUSTOMIZE PARAMETERS 2021 - 2022 MY RAV4 RAV4 HV [08/2020 - 10/2022]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: CUSTOMIZE PARAMETERS 2023 - 2024 MY RAV4 RAV4 HV [10/2022 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: CUSTOMIZE PARAMETERS

Result

Proceed to

The customize setting is "OFF"

A

The customize setting is "ON"

B
B

PERFORM CUSTOMIZE SETTING 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: CUSTOMIZE PARAMETERS 2019 - 2020 MY RAV4 RAV4 HV [02/2019 - 08/2020]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: CUSTOMIZE PARAMETERS 2021 - 2022 MY RAV4 RAV4 HV [08/2020 - 10/2022]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: CUSTOMIZE PARAMETERS 2023 - 2024 MY RAV4 RAV4 HV [10/2022 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: CUSTOMIZE PARAMETERS

A

3.

CHECK CUSTOMIZE SETTING (UNLOCK 2 OPERARTION)

(a) Read the customize setting "Unlock 2 Operattion" according to the display on the GTS.

Click here 2019 - 2020 MY RAV4 [11/2018 - 08/2020]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (for Gasoline Model, with Smart Key System): CUSTOMIZE PARAMETERS 2021 - 2022 MY RAV4 [08/2020 - 10/2022]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (for Gasoline Model, with Smart Key System): CUSTOMIZE PARAMETERS 2023 - 2024 MY RAV4 [10/2022 -        ]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (for Gasoline Model, with Smart Key System): CUSTOMIZE PARAMETERS

Result

Proceed to

The customize setting is "OFF"

A

The customize setting is "ON"

B
B

PERFORM CUSTOMIZE SETTING 2019 - 2020 MY RAV4 [11/2018 - 08/2020]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (for Gasoline Model, with Smart Key System): CUSTOMIZE PARAMETERS 2021 - 2022 MY RAV4 [08/2020 - 10/2022]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (for Gasoline Model, with Smart Key System): CUSTOMIZE PARAMETERS 2023 - 2024 MY RAV4 [10/2022 -        ]; DOOR LOCK: WIRELESS DOOR LOCK CONTROL SYSTEM (for Gasoline Model, with Smart Key System): CUSTOMIZE PARAMETERS

A

4.

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

5.

CHECK COMBINATION METER ASSEMBLY

(a) With the vehicle stopped and engine idling, check the shift position indicator operation and that the speedometer indicates 0 km/h (0 mph).

OK:

Combination meter operates normally.

NG

GO TO METER / GAUGE SYSTEM

OK

6.

CHECK FOR DTC

(a) Clear the 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 > Clear DTCs

(b) 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

OK:

DTC is not output.

NG

GO TO DIAGNOSTIC TROUBLE CODE CHART

OK

7.

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

8.

READ VALUE USING TECHSTREAM

(a) Read the Data List according to the display on the Techstream.

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

Body Electrical > Back Door > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

PBD Main SW

Power back door ON/OFF signal

ON or OFF

Current customize setting displayed

-

Door Lock Signal

Back door condition signal

Lock or Unlock

Lock: Back door locked

Unlock: Back door unlocked

-

Body Electrical > Back Door > Data List

Tester Display

PBD Main SW

Door Lock Signal

Result

Proceed to

Either item is normal

A

"PBD Main SW" item does not switch to "ON" or "OFF" according to main switch operation

B

"Door Lock Signal" item does not switch to "Lock" or "Unlock" according to operation to lock or unlock all doors

C
B

GO TO METER / GAUGE SYSTEM

C

GO TO STEP 12

A

9.

READ VALUE USING TECHSTREAM

(a) Read the Data List according to the display on the Techstream.

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

Body Electrical > Back Door > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

PBD Touch Sensor (Right)

Power back door sensor assembly RH signal

ON, OFF or Open

ON: Power back door sensor assembly RH pressed

OFF: Power back door sensor assembly RH not pressed

Open: Power back door sensor assembly RH circuit open

-

PBD Touch Sensor (Left)

Power back door sensor assembly LH signal

ON, OFF or Open

ON: Power back door sensor assembly LH pressed

OFF: Power back door sensor assembly LH not pressed

Open: Power back door sensor assembly LH circuit open

-

Body Electrical > Back Door > Data List

Tester Display

PBD Touch Sensor (Right)

PBD Touch Sensor (Left)

Result

Proceed to

On the Techstream screen, ON or OFF is displayed accordingly

A

On the Techstream screen, ON or OFF is not displayed accordingly or Open is displayed for power back door sensor assembly RH

B

On the Techstream screen, ON or OFF is not displayed accordingly or Open is displayed for power back door sensor assembly LH

C
A

REPLACE MULTIPLEX NETWORK DOOR ECU

C

GO TO STEP 14

B

10.

INSPECT POWER BACK DOOR SENSOR ASSEMBLY RH

(a) Remove the power back door sensor assembly RH.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; DOOR / HATCH: POWER BACK DOOR TOUCH SENSOR: REMOVAL

(b) Inspect the power back door sensor assembly RH.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; DOOR / HATCH: POWER BACK DOOR TOUCH SENSOR: INSPECTION

NG

REPLACE POWER BACK DOOR SENSOR ASSEMBLY RH

OK

11.

CHECK HARNESS AND CONNECTOR (POWER BACK DOOR SENSOR ASSEMBLY RH - MULTIPLEX NETWORK DOOR ECU)

(a) Disconnect the R8 power back door sensor assembly RH connector.

(b) Disconnect the R18 multiplex network door ECU connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

R8-1 (OSR) - R18-6 (OSR)

Always

Below 1 Ω

R8-2 (OSRE) - R18-24 (OSE)

Always

Below 1 Ω

R8-1 (OSR) or R18-6 (OSR) - Body ground

Always

10 kΩ or higher

R8-2 (OSRE) or R18-24 (OSE) - Body ground

Always

10 kΩ or higher
OK

REPLACE MULTIPLEX NETWORK DOOR ECU

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

12.

CHECK HARNESS AND CONNECTOR (MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU] - MULTIPLEX NETWORK DOOR ECU)

(a) Disconnect the G43 main body ECU (multiplex network body ECU) connector.

(b) Disconnect the R18 multiplex network door ECU connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G43-13 (LSBO) - R18-12 (LIB)

Always

Below 1 Ω

G43-13 (LSBO) or R18-12 (LIB) - Body ground

Always

10 kΩ or higher
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

13.

CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)

(a) Remove the main body ECU (multiplex network body ECU) with the connector(s) still connected.

Click here 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL 2020 MY RAV4 RAV4 HV [10/2019 - 08/2020]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL 2022 MY RAV4 RAV4 HV [12/2021 - 10/2022]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL 2023 MY RAV4 RAV4 HV [10/2022 - 10/2023]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL

*a

Component with harness connected

(Main Body ECU [Multiplex Network Body ECU])

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

G43-13 (LSBO) - Body ground

Always

11 to 14 V
OK

REPLACE MULTIPLEX NETWORK DOOR ECU

NG

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL 2020 MY RAV4 RAV4 HV [10/2019 - 08/2020]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL 2022 MY RAV4 RAV4 HV [12/2021 - 10/2022]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL 2023 MY RAV4 RAV4 HV [10/2022 - 10/2023]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL

14.

INSPECT POWER BACK DOOR SENSOR ASSEMBLY LH

(a) Remove the power back door sensor assembly LH.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; DOOR / HATCH: POWER BACK DOOR TOUCH SENSOR: REMOVAL

(b) Inspect the power back door sensor assembly LH.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; DOOR / HATCH: POWER BACK DOOR TOUCH SENSOR: INSPECTION

NG

REPLACE POWER BACK DOOR SENSOR ASSEMBLY LH

OK

15.

CHECK HARNESS AND CONNECTOR (POWER BACK DOOR SENSOR ASSEMBLY LH - MULTIPLEX NETWORK DOOR ECU)

(a) Disconnect the R9 power back door sensor assembly LH connector.

(b) Disconnect the R18 multiplex network door ECU connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

R9-1 (OSL) - R18-26 (OSL)

Always

Below 1 Ω

R9-2 (OSLE) - R18-24 (OSE)

Always

Below 1 Ω

R9-1 (OSL) or R18-26 (OSL) - Body ground

Always

10 kΩ or higher

R9-2 (OSLE) or R18-24 (OSE) - Body ground

Always

10 kΩ or higher
OK

REPLACE MULTIPLEX NETWORK DOOR ECU

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR