Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001N4M3 |
Model Year Start: 2021 |
Model: Corolla |
Prod Date Range: [04/2020 - 09/2022] |
Title: TELEMATICS: TELEMATICS SYSTEM (for HV Model): Warning Notification Function Malfunction; 2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022] |
Warning Notification Function Malfunction
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PROCEDURE
1.
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CHECK PROBLEM SYMPTOM (WARNING NOTIFICATION FUNCTION)
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(a) Check the problem symptom.
(1) Check the problem symptom of the warning notification function.
Result
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Proceed to
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The multi-display screen does not show a warning message even though a warning light turns on or the multi-information display indicates a warning.
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A
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The multi-display screen shows a warning message even though a warning light is not on and the multi-information display does not indicate a warning.
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B
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The multi-display screen shows a warning message different from the warning light or the multi-information display.
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HINT:
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The warning notification function sends information to the service center through communication.
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Carefully confirm the conditions that caused the malfunction in order to determine if a temporary problem with the radio wave signal conditions caused the malfunction.
A
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(a) Check if the indicated warning light or message is listed in the following table.
HINT:
Only messages listed in the table are included in the warning notification function.
Warning Name
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Engine warning
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Hybrid control system warning
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Brake system warning
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VSC warning
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ABS warning
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Electronically controlled brake system warning
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Power steering system warning
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Charging system warning
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Airbag warning
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Pre-collision system warning
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Cruise warning
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Drive start control system
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Brake override system warning
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Smart key system warning
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Grille shutter system warning
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Automatic high beam system warning
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LED headlight warning
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Tire pressure system warning
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Electric parking brake warning
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Auto hold warning
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Blind spot monitor system warning
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Secondary collision brake warning
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Vehicle proximity notification system warning
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Lane tracing assist system warning
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Road sign assist system warning
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Rear cross traffic alert system warning
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Engine oil level warning
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Brake fluid warning
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Engine oil pressure warning
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Tire pressure low warning
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Washer fluid level warning
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Hybrid battery deterioration warning
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Engine oil maintenance warning
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High coolant temperature warning
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Hybrid system temperature warning
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Hybrid battery cooling fan maintenance warning
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Towing prohibited warning
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Result
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Proceed to
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Warning light or message is listed in the table.
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A
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Warning light or message is not listed in the table.
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B
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B |
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END
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A
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3.
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CHECK CAN COMMUNICATION SYSTEM
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(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Bus Check.
(e) Check that all ECUs and sensors that use CAN communication are connected.
Click here
Result
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Proceed to
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There are no connection problems.
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A
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There is a connection problem.
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B
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A
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4.
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CHECK METER WARNING LIGHT
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(a) Check that the warning light of the combination meter assembly illuminates and a message displays on the multi-information display when there is a malfunction, and do not when there is not a malfunction.
OK:
There are no problems with warning lights or warning messages.
HINT:
The warning notification function of the telematics system uses the warning notification signals sent and received by the meter/gauge system. Therefore, if the meter/gauge system is not operating normally, the warning notification function will not operate normally.
Result
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Proceed to
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OK
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A
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NG
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B
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A
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5.
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CHECK AUDIO AND VISUAL SYSTEM
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(a) Check if the audio and visual system is operating and functioning normally.
OK:
The audio and visual system is normal.
6.
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CHECK METER WARNING LIGHT
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(a) Check that the warning light of the combination meter assembly illuminates and a message displays on the multi-information display when there is a malfunction, and do not when there is not a malfunction.
OK:
There are no problems with warning lights or warning messages.
HINT:
The warning notification function of the telematics system uses the warning notification signals sent and received by the meter/gauge system. Therefore, if the meter/gauge system is not operating normally, the warning notification function will not operate normally.
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