Lexus ES: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
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Inspect the fuses and relays related to this system before inspecting the suspected areas below.
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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.
Window Defogger System
Symptom | Suspected Area | Link |
Window defogger system does not operate | Proceed to the "Rear Window Defogger System does not Operate" | |
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TERMINALS OF ECU CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY *A w/o Seat Heater *B w/ Seat Heater (a) Disconnect the G39 air conditioning amplifier assembly connector. (b) Measure the volta
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 ACTIVE TEST HINT: Using the Techstream to perform Active Tests allows relays, VSVs, actuators and other items to be operated without removing any parts. This non-intrusive func
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SYSTEM DESCRIPTION FUNCTION OF MAIN COMPONENTS Component Function Multiplex tilt and telescopic ECU This ECU sends a control signal to the tilt motor (steering column assembly) and telescopic motor (steering column assembly), based on signals from each switch, to adjust the steering posit
DESCRIPTION The power trunk lid controls the luggage closer motor assembly and operates the luggage closer motor assembly and luggage door closer assembly. If the power trunk lid does not operate using any of the operations, a malfunction related to the power trunk lid operation conditions or luggag
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