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 AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary battery voltage with the power switch off. Standard Voltage: 11 to 14 V If the
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Mirror L or Mirror R
SEE MORE:
Inspection
INSPECTION CAUTION / NOTICE / HINT HINT:
Use the same procedure for bank 1 and bank 2.
The following procedure is for bank 2.
PROCEDURE 1. INSPECT CYLINDER HEAD LH (a) Using a precision straightedge and feeler gauge, check the surfaces which contact the cylinder block sub-assembly and manifo
Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Refer to the illustration to confirm the type of vacuum pump assembly. *A for Type A *B for Type B *a Label - - PROCEDURE 1. REMOVE THROTTLE BODY WITH MOTOR ASSEMBLY Click here 2. REMOVE NO. 2 SURGE TANK STAY Click here 3. SEPARATE EN
