Lexus ES: Problem Symptoms Table
Lexus ES (XZ10) Service Manual / Vehicle Interior / Window / Glass / Window Defogger System (for Hv Model) / Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
- 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.
| 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
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
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
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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Cornering Light Circuit
DESCRIPTION The headlight ECU sub-assembly controls the cornering lights. WIRING DIAGRAM except Bulb Type Turn Signal Light (for TMMK Made) for Bulb Type Turn Signal Light (for TMMK Made) CAUTION / NOTICE / HINT NOTICE:
If the headlight ECU sub-assembly LH has been replaced, it is necessary to
Installation
INSTALLATION PROCEDURE 1. INSTALL HV FLOOR UNDER WIRE CAUTION: Be sure to wear insulated gloves. (a) Insert the HV floor under wire into the floor panel hole and engage the grommet. (b) Install 2 new clamps in the order shown in the illustration. (c) Install the nut.
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