Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: 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 7 |
|
.gif)
| 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 |
| 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 |
| Automatic headlight beam level control system warning |
| Automatic high beam warning |
| LED headlight warning |
| 4WD warning |
| Tire pressure system warning |
| Electric parking brake warning |
| Auto hold warning |
| BSM system warning |
| Reverse control wiper warning |
| Advanced sonar system warning |
| Secondary collision brake system warning |
| Engine maintenance warning |
| LTA warning |
| RSA warning |
| RCTA warning |
| Engine oil level warning |
| Brake fluid warning |
| Engine oil pressure warning |
| Tire pressure system warning |
| Washer fluid level warning |
| Engine oil maintenance warning |
| High coolant temperature 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 engine 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 .gif)
| 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 6 |
| 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 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 |
| 7. | 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 |
Remote Engine Starter does not Operate
WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Before replacing the DCM (telematics transceiver), refer to Registration. Click here PROCEDURE 1. CHECK SMART ACCESS SYSTEM WITH PUSH-BUTTON ST ...
Remote Service Malfunction
PROCEDURE 1. CHECK CAN COMMUNICATION SYSTEM (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Bus Check. C ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Rear Center Seat Outer Belt Assembly(w/ Rear No. 2 Seat): Inspection
INSPECTION PROCEDURE 1. INSPECT REAR CENTER SEAT OUTER BELT ASSEMBLY (a) After installing the rear center seat outer belt assembly, check the ELR function. NOTICE: Do not disassemble the retractor. (1) Move the seatback of the rear No. 1 seat assembly RH to the upright position. Check that the se ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Power Tilt And Power Telescopic Steering Column System: Telescopic Position Sensor or Telescopic Motor Circuit Malfunction (B2611)
DESCRIPTION The telescopic motor is operated by the power source voltage supplied from the multiplex tilt and telescopic ECU and slides the steering column forward and backward. The telescopic position sensor (Hall IC) in the telescopic motor detects the sliding position of the steering column in th ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
0.0145