Lexus ES: Throttle Body
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Components
COMPONENTS ILLUSTRATION *1 AIR CLEANER CAP WITH AIR CLEANER HOSE *2 COOL AIR INTAKE DUCT SEAL *3 INLET AIR CLEANER ASSEMBLY *4 NO. 1 ENGINE COVER SUB-ASSEMBLY *5 THROTTLE BOD
On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY (a) Before cleaning, or after cleaning the throttle body with motor assembly and installing it to the vehicle, turn the pow
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during thr
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Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) The motor generator control ECU (MG ECU) (inverter with converter assembly) has a self-diagnosis system. If the motor generator control ECU (MG ECU), motor generator system or a component is not working properly, the ECU records the conditions that relate to the faul
ECM Power Source Circuit
DESCRIPTION When the engine switch is turned on (IG), the battery voltage is applied to the IGSW terminal of the ECM. The output signal from the MREL terminal of the ECM causes a current to flow to the coil of the EFI-MAIN NO. 1 relay, closing the contacts and supplying power to terminals +B and +B2
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