Lexus ES: 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 |
| 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 |
| 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 | .gif) | GO TO STEP 6 |
|
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| 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 |
|---|
| Engine warning |
| Hybrid control system warning |
| Brake system warning |
| VSC warning |
| ABS warning |
| ECB warning |
| EPS warning |
| Charging system warning |
| Airbag warning |
| PCS warning |
| Cruise warning |
| LEXUS parking assist-sensor system open circuit warning. |
| Drive start control warning |
| Brake override system warning |
| Entry and start system warning |
| Active grill shutter warning |
| Automatic headlight beam level control system warning |
| Automatic high beam warning |
| LED headlight warning |
| Tire pressure system warning |
| Electric parking brake warning |
| Auto hold warning |
| BSM system warning |
| Lane departure alert system warning |
| Reverse control wiper warning |
| Vehicle proximity notification warning |
| Advanced sonar system warning |
| Secondary collision brake system warning |
| Engine maintenance |
| RCTA warning |
| Engine oil level warning |
| Brake fluid warning |
| Engine oil pressure warning |
| Tire pressure low warning |
| Washer fluid level warning |
| High coolant temperature warning |
| High motor inverter temperature warning |
| Hybrid battery cooling fan maintenance warning |
| Towing prohibited warning |
| Oil maintenance warning |
| BSM warning |
| RSA warning |
| RCD warning |
| maintenance |
| 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.
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| Result | Proceed to |
|---|---|
| There are no connection problems. | A |
| There is a connection problem. | B |
| B | | GO TO CAN COMMUNICATION SYSTEM |
|
| 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 (w/ Navigation System) | A |
| OK (w/o Navigation System) | B |
| NG | C |
| B | | GO TO STEP 7 |
| C | | GO TO METER / GAUGE SYSTEM |
|
| 5. | CHECK NAVIGATION SYSTEM |
(a) Check if the navigation system is operating and functioning normally.
OK:
The navigation system is normal.
| OK | | REPLACE RADIO RECEIVER ASSEMBLY |
| NG | | GO TO NAVIGATION SYSTEM |
| 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 | | REPLACE RADIO RECEIVER ASSEMBLY |
| NG | | GO TO METER / GAUGE SYSTEM |
| 7. | 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 | | REPLACE RADIO RECEIVER ASSEMBLY |
| NG | | GO TO AUDIO AND VISUAL SYSTEM |
READ NEXT:
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
Brake
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