Lexus ES manuals

Lexus ES: Diagnosis System

DIAGNOSIS SYSTEM

CHECK DLC3

(a) Check the DLC3.

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INSPECT AUXILIARY BATTERY VOLTAGE

(a) Measure the auxiliary battery voltage with the power switch off.

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the auxiliary battery.

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 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

 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 receiv

 Windshield Glass

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 Installation

INSTALLATION CAUTION / NOTICE / HINT for HV Model: When removing or installing the rear disc brake caliper assembly, pushing back the disc brake piston may cause a large clearance between the brake pads and brake disc. When the brake pedal is depressed with a large clearance between the brake pad

 A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Circuit Current Above Threshold (P219519,P219524,P219618,P219623,P219719,P219724,P219818,P219823)

DESCRIPTION HINT: Although the DTC titles say oxygen sensor, these DTCs relate to the air fuel ratio sensor. The air fuel ratio sensor generates voltage* that corresponds to the actual air fuel ratio. This sensor voltage is used to provide the ECM with feedback so that it can control the air fuel ra

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