Last Modified: 07-31-2024 |
6.11:8.1.0 |
Doc ID: RM100000001HA7C |
Model Year Start: 2020 |
Model: GR Corolla |
Prod Date Range: [01/2019 - 09/2022] |
Title: DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM (for Sedan, Gasoline Model): All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch; 2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2022] |
All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch
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DESCRIPTION
The main body ECU (multiplex network body ECU) receives switch signals from the multiplex network master switch assembly. The main body ECU (multiplex network body ECU) activates the door lock motor on each door according to this signal.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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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
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Before replacing the main body ECU (multiplex network body ECU), refer to Registration.*
Click here
*: w/ Smart Key System
PROCEDURE
1.
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CHECK POWER WINDOW CONTROL SYSTEM
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(a) Check the power window operation using the multiplex network master switch assembly.
OK:
Each power window operates normally.
NG
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2.
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READ VALUE USING TECHSTREAM (DOOR LOCK SWITCH STATUS, DOOR UNLOCK SWITCH STATUS)
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(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(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
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Measurement Item
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Range
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Normal Condition
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Diagnostic Note
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Door Lock Switch Status
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Multiplex network master switch assembly lock signal
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OFF or ON
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OFF: Lock switch of multiplex network master switch assembly not pushed
ON: Lock switch of multiplex network master switch assembly pushed
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-
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Door Unlock Switch Status
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Multiplex network master switch assembly unlock signal
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OFF or ON
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OFF: Unlock switch of multiplex network master switch assembly not pushed
ON: Unlock switch of multiplex network master switch assembly pushed
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-
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Body Electrical > Master Switch > Data List
Tester Display
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Door Lock Switch Status
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Door Unlock Switch Status
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OK:
The Techstream display changes correctly in response to the lock/unlock operation.
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