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.
Heated Steering Wheel System
| Symptom | Suspected Area | Link |
| Steering wheel does not heat up when heated steering wheel switch is pressed | Navigation system | .gif) |
| Steering Wheel Heater Switch (Refreshing Seat Switch) | |
| Refer to "Steering wheel does not heat up when heated steering wheel switch is pressed" | |
| Automatic steering wheel heater does not turn on | Check automatic steering wheel heater settings | - |
| Navigation system | |
| Air Conditioning Amplifier Assembly | |
| Steering Wheel Heater Switch (Refreshing Seat Switch) | |
READ NEXT:
TERMINALS OF ECU HEATED STEERING WHEEL CONTROLLER (STEERING VIBRATION ECU) (a) Measure the voltage or resistance according to the value(s) in the table below. HINT: Perform the inspection from the ha
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 / Air Conditioner / Tr
FAIL-SAFE CHART DIAGNOSIS FUNCTION
Heated steering wheel controller (steering vibration ECU) has diagnosis function. Condition Detection Condition Response when malfunction detected Recove
SEE MORE:
ComponentsCOMPONENTS ILLUSTRATION *1 REAR ROOF DRIP SIDE FINISH MOULDING - - RemovalREMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. REMOVE REAR ROOF DRIP SIDE FINISH MOULDING (a)
DESCRIPTION This DTC is stored when items controlled by the certification ECU (smart key ECU assembly) cannot be customized via the audio and visual system vehicle customization screen. HINT: The certification ECU (smart key ECU assembly) controls the smart access system with push-button start (for
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