Lexus ES: Operation Check
Lexus ES (XZ10) Service Manual / Vehicle Exterior / Window / Glass / Window Defogger System (for Hv Model) / 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 *1 CAM TIMING OIL CONTROL SOLENOID ASSEMBLY *2 NO. 1 ENGINE COVER SUB-ASSEMBLY *3 O-RING - - N*m (kgf*cm, ft.*lbf): Specified torque ● Non-reusable part ★ Precoated part - -
Back-up Light Circuit
DESCRIPTION The hybrid vehicle control ECU controls the back-up lights via the BKUP LP relay. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
Before replacing the hybrid vehicle control ECU, refer t
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