Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000014Z65
Model Year Start: 2018 Model: Camry HV Prod Date Range: [07/2017 -           ]
Title: DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch; 2018 - 2024 MY Camry HV [07/2017 -        ]

All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch

DESCRIPTION

The main body ECU (multiplex network body ECU) receives switch signals from the multiplex network master switch assembly and driver door key cylinder lock or unlock switch signals from the front door lock with motor assembly LH. The main body ECU (multiplex network body ECU) activates the door lock motor on each door according to these signals.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • The power door lock control system uses the LIN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the power door lock control system after confirming that the communication systems are functioning properly.

    Click here 2018 - 2024 MY Camry HV [07/2017 -        ]; NETWORKING: LIN COMMUNICATION SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

  • Before replacing the main body ECU (multiplex network body ECU), refer to Registration.

    Click here 2018 - 2019 MY Camry HV [07/2017 - 09/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): REGISTRATION 2020 - 2022 MY Camry HV [09/2019 - 08/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): REGISTRATION 2023 - 2024 MY Camry HV [08/2022 -        ]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): REGISTRATION

PROCEDURE

1.

CHECK POWER WINDOW CONTROL SYSTEM

(a) Check the power window operation using the multiplex network master switch assembly.

OK:

Each power window operates normally.

Result

Proceed to

Each power window operates normally.

A

Each power window does not operate normally.

B
A

REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

B

2.

READ VALUE USING TECHSTREAM (Door Lock Switch Status, Door Unlock Switch Status)

(a) Connect the Techstream to the DLC3.

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

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / Master Switch / Data List.

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

Body Electrical > Master Switch > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Door Lock Switch Status

Multiplex network master switch assembly lock signal

OFF or ON

OFF: Lock side of multiplex network master switch assembly not pushed

ON: Lock side of multiplex network master switch assembly pushed

-

Door Unlock Switch Status

Multiplex network master switch assembly unlock signal

OFF or ON

OFF: Unlock side of multiplex network master switch assembly not pushed

ON: Unlock side of multiplex network master switch assembly pushed

-

Body Electrical > Master Switch > Data List

Tester Display

Door Lock Switch Status

Door Unlock Switch Status

OK:

The Techstream display changes correctly in response to the lock/unlock operation.

OK

REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) 2018 - 2020 MY Camry HV [07/2017 - 10/2020]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL 2021 - 2024 MY Camry HV [10/2020 -        ]; POWER DISTRIBUTION: MAIN BODY ECU: REMOVAL

NG

REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY