Lexus ES manuals

Lexus ES: 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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 Fuel Pump "A" Control Circuit Short to Battery (P062712)

DESCRIPTION The fuel pump control ECU performs PWM (Pulse Width Modulation) control to control the fuel pump (for low pressure side) speed steplessly over a wide range. The fuel pump control ECU controls the speed of the fuel pump (for low pressure side) by switching the current of FPU, FPV and FPW

 Hybrid/EV Powertrain Control Module Monitoring Processor Unexpected Operation (P060A94)

DTC SUMMARY MALFUNCTION DESCRIPTION The main CPU and sub CPU of the hybrid vehicle control ECU monitor their internal operation and each other for malfunctions. The cause of this malfunction may be the following: Hybrid vehicle control ECU internal malfunction Hybrid vehicle control ECU malfuncti

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