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
SEE MORE:
System Diagram
SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Main Body ECU (Multiplex Network Body ECU) Outer Mirror Control ECU Assembly
IG signal
ACC signal
Outer mirror switch assembly signal
Mirror position request signal (memory and reactivation function)
Mirror
Motor Electronics Coolant Temperature Sensor Circuit Short to Ground (P0A0011,P0A0015)
DESCRIPTION Refer to the description for DTC P0A001C. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Warning Indicate P0A0011 Motor Electronics Coolant Temperature Sensor Circuit Short to Ground Short to ground detected in HV coolant temperature sen
