Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001CDKM |
Model Year Start: 2019 |
Model: GR Corolla |
Prod Date Range: [06/2018 - 09/2022] |
Title: THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function, Gasoline Model): Touching Unlock Sensor for Certain Period of Time does not Unlock All Doors; 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022] |
Touching Unlock Sensor for Certain Period of Time does not Unlock All Doors
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DESCRIPTION
If the entry unlock function of the driver door cannot be operated by touching and holding the unlock sensor of the driver door, but can be operated through other methods, it can be determined that the request code is being transmitted properly from the driver door. In this case, the certification ECU (smart key ECU assembly) may be malfunctioning.
CAUTION / NOTICE / HINT
HINT:
Touching the unlock sensor for a certain period of time to unlock all of the doors can only be performed if the customize setting "Door Unlock Mode2" is set to "Driver".
PROCEDURE
1.
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CHECK CUSTOMIZE SETTING (DOOR UNLOCK MODE2)
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(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Customize Setting / Smart Key / Access.
Smart Key / Access
Tester Display
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Description
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Default
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Setting
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ECU
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Door Unlock Mode2
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Function that sets which doors are unlocked by the entry unlock function.
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Driver
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0:All,1:Driver
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Certification ECU (Smart key ECU assembly)
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HINT:
Touching the unlock sensor for a certain period of time to unlock all of the doors can only be performed if the customize setting "Door Unlock Mode2" is set to "Driver".
Result
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Proceed to
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The customize setting is set to Driver
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A
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The customize setting is set to All
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B
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A
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2.
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CHECK CUSTOMIZE SETTING (DOOR UNLOCK SENSOR TOUCH TIME ADJUST)
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(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Customize Setting / Smart Key / Access.
Smart Key / Access
Tester Display
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Description
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Default
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Setting
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ECU
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Door Unlock Sensor Touch Time Adjust
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Function that sets the length of time the unlock sensor on the door outside handle assembly (for driver door) must be touched to unlock all of the doors.
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Middle
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00:OFF,01:Short,10:Middle,11:Long
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Certification ECU (Smart key ECU assembly)
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Result
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Proceed to
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The customize setting is set to Short, Middle or Long
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A
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The customize setting is set to OFF
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B
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A
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3.
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READ VALUE USING TECHSTREAM (D-DOOR TOUCH SENSOR)
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(a) Turn the engine switch off.
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*a
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Unlock Sensor (Backside)
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(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG).
(d) Turn the Techstream on.
(e) Open and close the driver door.
(f) With the electrical key transmitter sub-assembly outside of the vehicle, press the lock switch of the electrical key transmitter sub-assembly to lock all of the doors.
(g) Hold the electrical key transmitter sub-assembly at the same height as the door outside handle assembly and approximately 0.3 m (0.984 ft.) from the driver door.
(h) Check that the LED of the electrical key transmitter sub-assembly blinks.
(i) Read the Data List according to the display on the Techstream.
(j) Touch the unlock sensor on the backside of the front door outside handle assembly (for driver door) for 2 seconds or more.*
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*: Perform this step 3 seconds or more after performing step (f).
HINT:
When checking the operation of the unlock sensor again, make sure to perform the procedure from step (a).
Body Electrical > Smart Key > 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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D-Door Touch Sensor
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Driver door touch sensor (unlock sensor)
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OFF or ON
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OFF: Driver door touch sensor (unlock sensor) not touched
ON: Driver door touch sensor (unlock sensor) touched
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Displays whether the unlock sensor is on or off (even if the sensor is touched and contact is maintained, "ON" is displayed only momentarily).
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Use this Data List item to help determine if there is an unlock sensor malfunction when the entry unlock function does not operate.
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Body Electrical > Smart Key > Data List
Tester Display
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D-Door Touch Sensor
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OK:
The Techstream display changes correctly in response to the operation of the front door outside handle assembly (for driver door).
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