| 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 |
PROCEDURE
|
1. |
CHECK PROBLEM SYMPTOM (WARNING NOTIFICATION FUNCTION) |
(a) Check the problem symptom.
(1) Check the problem symptom of the warning notification function.
|
Result |
Proceed to |
|---|---|
|
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. |
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. |
B |
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The multi-display screen shows a warning message different from the warning light or the multi-information display. |
HINT:
- The warning notification function sends information to the service center through communication.
- 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.
| B |
|
|
|
2. |
INSPECT WARNING LIGHT |
(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 |
|
Power steering system warning |
|
Charging system warning |
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Airbag warning |
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Pre-collision system warning |
|
Cruise warning |
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Drive start control system |
|
Brake override system warning |
|
Smart key system warning |
|
Grille shutter system warning |
|
Automatic high beam system warning |
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LED headlight warning |
|
Tire pressure system warning |
|
Electric parking brake warning |
|
Auto hold warning |
|
Blind spot monitor system warning |
|
Secondary collision brake warning |
|
Vehicle proximity notification system warning |
|
Lane tracing assist system warning |
|
Road sign assist system warning |
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Rear cross traffic alert system warning |
|
Engine oil level warning |
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Brake fluid warning |
|
Engine oil pressure warning |
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Tire pressure low warning |
|
Washer fluid level warning |
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Hybrid battery deterioration warning |
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Engine oil maintenance warning |
|
High coolant temperature warning |
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Hybrid system temperature warning |
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Hybrid battery cooling fan maintenance warning |
|
Towing prohibited warning |
|
Result |
Proceed to |
|---|---|
|
Warning light or message is listed in the table. |
A |
|
Warning light or message is not listed in the table. |
B |
| B |
|
END |
|
|
3. |
CHECK CAN COMMUNICATION SYSTEM |
(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
![2021 - 2022 MY Corolla Corolla HV [04/2020 - 09/2022]; NETWORKING: CAN COMMUNICATION SYSTEM (for HV Model): DIAGNOSIS SYSTEM](/t3Portal/stylegraphics/info.gif)
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Result |
Proceed to |
|---|---|
|
There are no connection problems. |
A |
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There is a connection problem. |
B |
| B |
|
|
|
4. |
CHECK METER WARNING LIGHT |
(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 |
Proceed to |
|---|---|
|
OK |
A |
|
NG |
B |
| B |
|
|
|
5. |
CHECK AUDIO AND VISUAL SYSTEM |
(a) Check if the audio and visual system is operating and functioning normally.
OK:
The audio and visual system is normal.
| OK |
|
| NG |
|
|
6. |
CHECK METER WARNING LIGHT |
(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.
| OK |
|
| NG |
|
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