Lexus ES: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
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When a symptom indicates that a service is malfunctioning, use the Techstream to check whether the service subscription is active.
Click here TELEMATICS > TELEMATICS SYSTEM > DATA LIST / ACTIVE TEST
| Symptom | Suspected Area | Link |
|---|---|---|
| Vehicle status cannot be checked using the application. | Proceed to "Remote Service Malfunction" | |
| Vehicle status alerts are not received by the application even if remote notification operation conditions are met. | Proceed to "Remote Service Malfunction" | |
| Vehicle cannot be operated remotely using the application. | Perform remote door lock and unlock registration and check if the problem symptom recurs | |
| Proceed to "Remote Service Malfunction" | |
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| Symptom | Suspected Area | Link |
|---|---|---|
| Engine does not start by remote engine start function. | Proceed to "Remote Engine Starter does not Operate" | |
| Engine does not stop by remote engine stop function. | Proceed to "Remote Engine Starter does not Operate" | |
| Symptom | Suspected Area | Link |
|---|---|---|
| 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. | Proceed to "Warning Notification Function Malfunction" | |
| The multi-display screen shows a warning message even though no warning lights are on and the multi-information display does not indicate a warning. | Proceed to "Warning Notification Function Malfunction" | |
| The multi-display screen shows a warning message different from the warning light or the multi-information display. | Proceed to "Warning Notification Function Malfunction" | |
READ NEXT:
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 KEY SYSTEM (for Start Function)
Remote Service Malfunction
PROCEDURE 1. 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. Cl
System Description
SYSTEM DESCRIPTION OUTLINE (a) Lexus Enform Remote, which enables the user to check the vehicle status and operate the vehicle from a remote location, is used. (b) Lexus Enform Remote is available by
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Rear Right Sensor Malfunction (C1AE9)
DESCRIPTION The rear corner ultrasonic sensor RH is installed to the rear bumper. The clearance warning ECU assembly detects obstacles based on signals received from the rear corner ultrasonic sensor RH. If the rear corner ultrasonic sensor RH has an open circuit or other malfunction, it will not fu
High Voltage Power Resource Circuit Consumption Circuit Short (P1C8149,P1C8249)
DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU monitors the high-voltage wiring between the HV battery and inverter with converter assembly and detects a short circuit malfunction or high-voltage system operation malfunction. The cause of this malfunction may be one of the follow
