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.
| Symptom | Suspected Area | Link |
|---|---|---|
| System does not operate at all | Proceed to "Power Source Circuit" | |
| CAN communication system | | |
| Meter / gauge system | | |
| Steering pad switch assembly | | |
| Spiral with sensor cable sub-assembly | | |
| Blind spot monitor sensor RH | | |
| System cannot be turned off | CAN communication system | |
| Meter / gauge system | | |
| Spiral with sensor cable sub-assembly | | |
| Blind spot monitor sensor RH | | |
| "Blind Spot Monitor Unavailable" or "Blind Spot Monitor System Malfunction Visit Your Dealer" is displayed on the multi-information display | Check abnormality history | |
| Blind spot monitor sensor RH | | |
| Blind spot monitor sensor LH | | |
| Combination meter assembly | |
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| Symptom | Suspected Area | Link |
|---|---|---|
| Outer rear view mirror indicator RH does not illuminate | Proceed to "Blind Spot Monitor Beam Axis Confirmation" | |
| Outer mirror RH | | |
| Outer mirror control ECU assembly RH | | |
| Outer rear view mirror assembly RH | | |
| Blind spot monitor sensor RH | | |
| Outer rear view mirror indicator LH does not illuminate | Proceed to "Blind Spot Monitor Beam Axis Confirmation" | |
| Outer mirror LH | | |
| Outer mirror control ECU assembly LH | | |
| Outer rear view mirror assembly LH | | |
| Blind spot monitor sensor LH | | |
| Outer rear view mirror indicator RH remains illuminated | Proceed to "Blind Spot Monitor Beam Axis Confirmation" | |
| Blind spot monitor sensor RH | | |
| Outer rear view mirror indicator LH remains illuminated | Proceed to "Blind Spot Monitor Beam Axis Confirmation" | |
| Blind spot monitor sensor LH | | |
| Outer rear view mirror indicator RH does not flash | Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section | |
| Blind spot monitor sensor RH | | |
| Outer rear view mirror indicator LH does not flash | Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section | |
| Blind spot monitor sensor LH | | |
| Outer rear view mirror indicator RH continues to flash | Blind spot monitor sensor RH | |
| Outer rear view mirror indicator LH continues to flash | Blind spot monitor sensor LH | |
READ NEXT:
System Description
SYSTEM DESCRIPTION GENERAL (a) The blind spot monitor system has a blind spot monitor function. (1) Blind spot monitor function
The blind spot monitor function is a function that assists the driver
System Diagram
SYSTEM DIAGRAM
Terminals Of Ecu
TERMINALS OF ECU BLIND SPOT MONITOR SENSOR RH Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition R4-4 (OMIR) - R4-10 (BRGD) SB - W-B Outer rear v
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT PRECAUTIONS WHEN TROUBLESHOOTING NOTICE:
Because the order of diagnosis is important to allow correct diagnosis, make sure to begin troubleshooting using How to Proceed with Troubleshooting when CAN communication system related DTCs are output.
If the CAN communication s
Radio Broadcast cannot be Received or Poor Reception
CAUTION / NOTICE / HINT NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.
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When replacing the radio receiver assembly, alw
