Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001G1Z0
Model Year Start: 2019 Model: RAV4 HV Prod Date Range: [11/2018 -           ]
Title: THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function, HV Model): Back Door Entry Unlock Function does not Operate; 2019 - 2024 MY RAV4 HV [11/2018 -        ]

Back Door Entry Unlock Function does not Operate

DESCRIPTION

If the entry unlock function does not operate for the back door only, but the entry lock function operates, the request code is being transmitted properly from the back door. In this case, there may be a problem related to the unlock switch (connection between the back door opener switch assembly and certification ECU (smart key ECU assembly)).

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • When using the Techstream with the power switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Key. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.
  • The smart key system (for Entry Function) uses the LIN communication system and CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the smart key system (for Entry Function) after confirming that the communication systems are functioning properly.

    Click here 2019 MY RAV4 HV [11/2018 - 02/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): HOW TO PROCEED WITH TROUBLESHOOTING 2019 - 2021 MY RAV4 HV [02/2019 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): HOW TO PROCEED WITH TROUBLESHOOTING 2022 - 2023 MY RAV4 HV [12/2021 - 10/2023]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): HOW TO PROCEED WITH TROUBLESHOOTING 2024 MY RAV4 HV [10/2023 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): HOW TO PROCEED WITH TROUBLESHOOTING

  • Before replacing the certification ECU (smart key ECU assembly), refer to Registration.

    Click here 2019 MY RAV4 HV [11/2018 - 10/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION 2020 - 2021 MY RAV4 HV [10/2019 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION 2022 - 2024 MY RAV4 HV [12/2021 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, HV Model): REGISTRATION

  • After repair, confirm that no DTCs are output.
  • Check that there are no electrical key transmitter sub-assemblies in the vehicle.

PROCEDURE

1.

CHECK POWER DOOR LOCK CONTROL SYSTEM

(a) When the door control switch on the multiplex network master switch assembly is operated, check that the doors unlock and lock according to the switch operation.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: OPERATION CHECK

OK:

Door locks operate normally.

NG

GO TO POWER DOOR LOCK CONTROL SYSTEM

OK

2.

CHECK CUSTOMIZE SETTING (Back Door Opening Operation)

(a) Connect the Techstream to the DLC3.

(b) Turn the power switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Customize Setting / Smart Key / Access.

Smart Key / Access

Tester Display

Description

Default

Setting

ECU

Back Door Opening Operation

Function that sets the back door when the user is carrying the electrical key transmitter sub-assembly and presses the back door opener switch assembly (unlock switch).

Long

00:Long,01:Twice,10:OFF

Certification ECU (Smart key ECU assembly)

Result

Proceed to

Customize setting is "Long" or "Twice"

A

Customize setting is "OFF"

B

B

PERFORM CUSTOMIZE SETTING (Proceed to Customize Parameters) 2019 MY RAV4 HV [11/2018 - 02/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function, HV Model): CUSTOMIZE PARAMETERS 2019 - 2020 MY RAV4 HV [02/2019 - 08/2020]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function, HV Model): CUSTOMIZE PARAMETERS 2021 - 2022 MY RAV4 HV [08/2020 - 10/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function, HV Model): CUSTOMIZE PARAMETERS 2023 MY RAV4 HV [10/2022 - 10/2023]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function, HV Model): CUSTOMIZE PARAMETERS 2024 MY RAV4 HV [10/2023 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function, HV Model): CUSTOMIZE PARAMETERS

A

3.

READ VALUE USING TECHSTREAM (TR/B-DOOR UNLOCK SW)

(a) Enter the following menus: Body Electrical / Smart Key / Data List.

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

Body Electrical > Smart Key > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Tr/B-Door Unlock SW

Back door opener switch assembly (unlock switch)

ON or OFF

ON: Back door opener switch assembly (unlock switch) pressed

OFF: Back door opener switch assembly (unlock switch) not pressed

  • Displays whether the back door opener switch assembly (unlock switch) is on or off.
  • Use this Data List item to help determine if there is a switch malfunction when the back door unlock function does not operate.

Body Electrical > Smart Key > Data List

Tester Display

Tr/B-Door Unlock SW

OK:

The Techstream display changes correctly in response to the operation of the back door opener switch assembly.

OK

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL 2020 MY RAV4 RAV4 HV [10/2019 - 08/2020]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL 2022 MY RAV4 RAV4 HV [12/2021 - 10/2022]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL 2023 MY RAV4 RAV4 HV [10/2022 - 10/2023]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL 2024 MY RAV4 RAV4 HV [10/2023 -        ]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL

NG

4.

CHECK HARNESS AND CONNECTOR (BACK DOOR OPENER SWITCH ASSEMBLY - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))

(a) Disconnect the R10 back door opener switch assembly connector.

(b) Disconnect the M7 certification ECU (smart key ECU assembly) connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

R10-3 (UL) - M7-26 (TSW5)

Always

Below 1 Ω

R10-3 (UL) or M7-26 (TSW5) - Other terminals and body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

5.

INSPECT BACK DOOR OPENER SWITCH ASSEMBLY (UNLOCK SWITCH)

(a) Remove the back door opener switch assembly.

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

(b) Inspect the back door opener switch assembly.

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

OK

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL 2020 MY RAV4 RAV4 HV [10/2019 - 08/2020]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL 2022 MY RAV4 RAV4 HV [12/2021 - 10/2022]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL 2023 MY RAV4 RAV4 HV [10/2022 - 10/2023]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL 2024 MY RAV4 RAV4 HV [10/2023 -        ]; THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL

NG

REPLACE BACK DOOR OPENER SWITCH ASSEMBLY