Lexus ES manuals

Lexus ES: Operation Check

OPERATION CHECK

CHECK WINDOW DEFOGGER SYSTEM

(a) Turn the power switch on (IG).

(b) Check that the rear window defogger wire becomes warm by operating the rear window defogger switch of the air conditioning control assembly.

(c) When the vehicle is stopped, confirm that the window defogger system operation stops after approximately 15 minutes.

NOTICE:

If the auxiliary battery voltage becomes low, auxiliary battery load control will operate in order to ensure sufficient power is supplied to the power steering system. In this case, the window defogger system may not operate.

HINT:

The window defogger system is linked with the mirror heater function.

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 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.

 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

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 Components

COMPONENTS ILLUSTRATION *A w/o Panoramic View Monitor System *B w/ Panoramic View Monitor System *1 OUTER MIRROR *2 OUTER MIRROR COVER ASSEMBLY *3 OUTER MIRROR LOWER COVER *4 OUTER MIRROR UPPER COVER *5 SIDE TELEVISION CAMERA ASSEMBLY *6 VISOR COVER ASSEMBLY

 Diagnosis System

DIAGNOSIS SYSTEM DESCRIPTION (a) Parking support brake system data and Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and to repair them. CHECK DLC3 (a) Check t

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