Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001CDKN |
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): Entry Exterior Alarm and Answer-back Buzzer do not Sound; 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022] |
Entry Exterior Alarm and Answer-back Buzzer do not Sound
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DESCRIPTION
The smart key system (for Entry Function) uses the wireless door lock buzzer to perform various vehicle exterior warnings. When the conditions of each warning are met, the certification ECU (smart key ECU assembly) sends a buzzer activation request signal to the main body ECU (multiplex network body ECU) via CAN communication and the buzzer sounds.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
PROCEDURE
1.
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CHECK CUSTOMIZE SETTING (WIRELESS BUZZER RESP)
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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 / Wireless Door Lock.
Wireless Door Lock
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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Wireless Buzzer Resp
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Wireless buzzer response
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ON
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0:OFF,1:ON
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Main body ECU (multiplex network body ECU)
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Result
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Proceed to
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"ON" is displayed
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A
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"OFF" is displayed
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B
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A
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|
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2.
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CHECK WIRELESS DOOR LOCK CONTROL SYSTEM
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(a) Check that the function operates normally.
Click here
Result
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Proceed to
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Wireless door lock function operates normally
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A
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Wireless door lock function does not operate normally
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B
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A
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|
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3.
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READ VALUE USING TECHSTREAM (EACH UNLOCK DETECTION SWITCH)
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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: Body Electrical / Main Body / Data List.
(e) Read the Data List according to the display on the Techstream.
Body Electrical > Main Body > 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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FR Door Lock Pos
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Front door RH unlock detection switch signal
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UNLOCK or LOCK
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UNLOCK: Front door RH unlocked
LOCK: Front door RH locked
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-
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FL Door Lock Pos
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Front door LH unlock detection switch signal
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UNLOCK or LOCK
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UNLOCK: Front door LH unlocked
LOCK: Front door LH locked
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-
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RR-Door Lock Pos SW
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Rear door RH unlock detection switch signal
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OFF or ON
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OFF: Rear door RH locked
ON: Rear door RH unlocked
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-
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RL-Door Lock Pos SW
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Rear door LH unlock detection switch signal
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OFF or ON
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OFF: Rear door LH locked
ON: Rear door LH unlocked
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-
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Body Electrical > Main Body > Data List
Tester Display
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FR Door Lock Pos
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FL Door Lock Pos
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RR-Door Lock Pos SW
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RL-Door Lock Pos SW
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OK:
The Techstream display changes correctly in response to the lock/unlock operation.
OK
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|
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4.
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PERFORM ACTIVE TEST USING TECHSTREAM (WIRELESS BUZZER)
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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: Body Electrical / Main Body / Active Test.
(e) Perform Active Test according to the display on the Techstream.
Body Electrical > Main Body > Active Test
Tester Display
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Measurement Item
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Control Range
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Diagnostic Note
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Wireless Buzzer
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Wireless door lock buzzer
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OFF/ON
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-
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Body Electrical > Main Body > Active Test
Tester Display
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Wireless Buzzer
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Result
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Proceed to
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Wireless door lock buzzer does not sound
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A
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Wireless door lock buzzer sounds
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B
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