Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
- If CAN communication system and lane control system DTCs are not output and any of the following problem symptoms exist, perform troubleshooting by checking the appropriate suspected areas in the order they are listed.
- 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.
- When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | Link |
|---|---|---|
| Lane control system cannot be enabled | Steering pad switch circuit | |
| Adjust forward recognition camera HINT: Forward recognition camera adjustment can be performed by using either One Time Recognition or Sequential Recognition. | | |
| The LTA indicator does not illuminate when the LTA main switch is operated | Indicator circuit | |
| Steering pad switch circuit | | |
| Combination meter assembly | | |
| The LTA indicator does not turn off even when the LTA main switch is operated | Indicator circuit | |
| Steering pad switch circuit | | |
| Combination meter assembly | | |
| Increase in cases that driver can see lane markers but system cannot detect lane markers | Check if operating conditions are met | |
| Adjust forward recognition camera HINT: Forward recognition camera adjustment can be performed by using either One Time Recognition or Sequential Recognition. | | |
| Lane control system is operating, but system operation is not displayed on multi-information display | Data List/Active Test (LDA Control) | |
| Combination meter assembly | | |
| Buzzer does not sound even when vehicle deviates from its lane | Combination meter assembly | |
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*1: One Time Recognition
*2: Sequential Recognition
Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE LTA NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Be sure to make a note of the current settings b ...
Terminals Of Ecu
TERMINALS OF ECU CHECK FORWARD RECOGNITION CAMERA NOTICE:
DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the Techstream once the ...
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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