Lexus ES: Operation Check
Lexus ES (XZ10) Service Manual / Vehicle Exterior / Window / Glass / Windshield Deicer System (for Hv Model) / Operation Check
OPERATION CHECK
CHECK WINDSHIELD DEICER SYSTEM
(a) Turn the power switch on (IG).
(b) Check that the windshield deicer wire (windshield glass) becomes warm by operating the front wiper deicer switch.
(c) Confirm that windshield deicer 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 windshield deicer system may not operate.
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Problem Symptoms Table
PROBLEM SYMPTOMS TABLE 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
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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Windshield Deicer does not Operate
DESCRIPTION When the front wiper deicer switch is operated, the operation signal is transmitted to the air conditioning amplifier assembly directly. When the air conditioning amplifier assembly receives the signal, it turns on the DEICER relay to operate the windshield deicer system. WIRING DIAGRAM
Telescopic Position Sensor or Telescopic Motor Circuit Component Internal Failure (B261196)
DESCRIPTION The telescopic motor (steering column assembly) is operated by the power source voltage supplied from the multiplex tilt and telescopic ECU and slides the steering column assembly forward and backward. The telescopic position sensor (Hall IC) in the telescopic motor (steering column asse
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