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 AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary battery voltage with the power switch off. Standard Voltage: 11 to 14 V If the
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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REMOVAL PROCEDURE 1. REMOVE FRONT WHEEL LH Click here 2. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH HINT: Use the same procedure as for the RH side. Click here 3. REMOVE REAR FENDER SPLASH SHIELD SUB-ASSEMBLY LH HINT: Use the same procedure as for the RH side. Click here 4. REMOVE PIN HOLD CL
PROCEDURE 1. CHECK USAGE CONDITION (a) Check that the vehicle and cellular phone meet the following conditions: NOTICE: If changing cellular phone settings, updating software, etc. is necessary, make sure to obtain the permission of the customer before performing it.
The cellular phone i
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