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 |
|---|---|---|
| Driver side power mirror cannot be adjusted with power mirror switch | Proceed to "Driver Side Power Mirror cannot be Adjusted with Power Mirror Switch" | |
| Front passenger side power mirror cannot be adjusted with power mirror switch | Proceed to "Front Passenger Side Power Mirror cannot be Adjusted with Power Mirror Switch" | |
| Power mirror cannot be adjusted with power mirror switch | Proceed to "Power Mirror cannot be Adjusted with Power Mirror Switch" | |
| Power mirror surface position is not memorized (Registration operation that does not use wireless or smart key is not functioning) | Proceed to "Power Mirror Surface Position is not Memorized" | |
| Power mirrors do not return to memorized position (Recall operation that does not use wireless or smart key is not functioning) | Proceed to "Power Mirrors do not Return to Memorized Position" | |
| Power retract mirrors do not operate with power retract mirror switch | Proceed to "Power Retract Mirrors do not Operate with Power Retract Mirror Switch" | |
| AUTO power retract mirrors do not operate | Proceed to "AUTO Power Retract Mirrors do not operate" | |
| Reverse shift-linked function of power mirrors does not operate | Proceed to "Reverse Shift-linked Function of Power Mirrors does not Operate" | |
| Wireless transmitter memory function does not operate (Registration operation that uses wireless or smart key is not functioning) | Smart access system (for Entry Function) | |
| Wireless door lock control system | | |
| Front power seat control system (w/ Memory) | | |
| Main body ECU (Multiplex network body ECU) | | |
| Wireless-linked return function does not operate (Recall operation that uses wireless or smart key is not functioning) | Smart access system (for Entry Function) | |
| Wireless door lock control system | | |
| Front power seat control system (w/ Memory) | | |
| Main body ECU (Multiplex network body ECU) | | |
| Mirror heater does not operate with rear defogger switch | Proceed to "Mirror Heater does not Operate with Rear Defogger Switch" | |
| Automatic glare-resistant EC mirror does not operate | Inner rear view mirror assembly | |
| Outer rear view mirror assembly (driver door) | - | |
| Outer rear view mirror assembly (front passenger door) | - | |
| Wire harness or connector | - |
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Terminals Of Ecu
TERMINALS OF ECU CHECK OUTER MIRROR CONTROL ECU ASSEMBLY (DRIVER DOOR) (a) Disconnect the J28 outer mirror control ECU assembly (driver door) connector. (b) Measure the voltage and resistance accordi
Diagnosis System
DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here INSPECT BATTERY VOLTAGE (a) Measure the battery voltage. Standard Voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace th
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a pa
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Checking Monitor Status
CHECKING MONITOR STATUS The purpose of the monitor result (mode 06) is to allow access to the results of on-board diagnostic monitoring tests of specific components/systems that are not continuously monitored. Examples are catalysts and evaporative emissions (EVAP) systems. The monitor result allows
RCTA (Rear Cross Traffic Alert)
function
The RCTA function uses the BSM
rear side radar sensors installed on
the inner side of the rear bumper.
This function is intended to assist
the driver in checking areas that
are not easily visible when backing
up.
System components
Meter control switches
Turn the RCTA function on/off
