Lexus NX: Work Procedure

Lexus NX Service Manual / General / Setup / When Replacing Or Removing/installing Parts / Work Procedure

WORK PROCEDURE

PROCEDURES NECESSARY WHEN ECU OR OTHER PARTS ARE REPLACED

Replacement Part	Necessary Procedure	Effect/Inoperative Function when Necessary Procedures are not Performed	Link
1: w/ SXM System 2: The vehicle height changes because of suspension or tire replacement *3: w/ Hands Free Power Back Door
ECM	Vehicle Identification Number (VIN) registration	MIL comes on
Throttle body with motor assembly Cleaning the deposits from the throttle body with motor assembly Engine assembly Cylinder head sub-assembly Camshaft (for intake or exhaust camshaft) Camshaft timing gear assembly Piston or piston ring Mass air flow meter sub-assembly Fuel injector assembly Fuel pump Air fuel ratio sensor Heated oxygen sensor Engine coolant temperature sensor Spark plug Ignition coil assembly EGR valve assembly Air leaks from intake system Gas leaks from exhaust system Knock control sensor	Inspection after repair	Poor idle, engine start, etc.
Service plug grip	Perform high voltage fuse accumulated load history reset	DTCs are output
Forward recognition camera Windshield glass	Adjust forward recognition camera	Dynamic radar cruise control system Front camera system Lane tracing assist system Pre-collision system Automatic high beam system Road sign assist system	for One Time Recognition: or for Sequential Recognition:
Millimeter wave radar sensor assembly	Adjust millimeter wave radar sensor assembly	Dynamic radar cruise control system Lane tracing assist system Front radar sensor system Pre-collision system Automatic high beam system
Absorber control ECU	Perform registration of vehicle identification information	Interrupts damping force control DTCs are output
Tire pressure warning ECU and receiver Tire pressure warning valve and transmitter	Transmitter ID registration Initialization	When DTC detection conditions of "transmitter ID not received" DTC are met, tire pressure warning light blinks for 1 minute, and then illuminates. Tire pressure warning function	for Registration: for Initialization:
Brake pedal stroke sensor assembly Brake pedal	Clear stored linear solenoid valve calibration data. Perform initialization and calibration of the linear solenoid valve.	DTCs are output ABS warning light illumination Brake warning light/yellow (minor malfunction) illumination Slip indicator light illumination VSC disable or malfunctioning
Brake booster with master cylinder assembly	Perform initialization and calibration of the linear solenoid valve
Skid control ECU (Brake booster with master cylinder assembly)	Perform initialization and calibration of the linear solenoid valve Perform yaw rate and acceleration sensor zero point calibration
Yaw rate and acceleration sensor (Airbag ECU assembly)	Clear zero point calibration data. Perform yaw rate and acceleration sensor zero point calibration.
Parking brake ECU assembly	Operate the electric parking brake switch (integration control and panel assembly)	Parking brake indicator light (red) blinks when the power switch is first turned on (IG).
for Power Tilt and Power Telescopic Steering Column: Power steering ECU assembly Electric power steering column sub-assembly	Perform torque sensor zero point calibration	DTCs are output Steering effort different between turning steering wheel left and right
Power steering ECU assembly	Assist map writing	DTCs are output EPS warning light illuminated	for Manual Tilt and Manual Telescopic Steering Column: for Power Tilt and Power Telescopic Steering Column:
Radio receiver assembly	After replacing the radio receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, radio ID registration is necessary.*1	The SXM satellite radio cannot be used	-
Radio receiver assembly	Re-install the eOwner's manual	The eOwner's manual cannot be used	-
DCM (telematics transceiver)	DCM activation	Safety connect system
DCM (telematics transceiver)	Code registration (Immobiliser system)	Telematics system
Mobilephone battery	Reset back-up battery condition	Safety connect system
Front bumper assembly	w/ Intelligent Clearance Sonar System: Measurement of ultrasonic sensor detection angle Ultrasonic sensor detection angle registration	Intelligent clearance sonar system Intuitive parking assist system (w/ Intelligent Clearance Sonar System)
Front bumper assembly	w/ Panoramic View Monitor System: Front television camera view adjustment	Panoramic view monitor system
w/ Intelligent Clearance Sonar System: Rear bumper assembly Ultrasonic sensor	Measurement of ultrasonic sensor detection angle Ultrasonic sensor detection angle registration	Intelligent clearance sonar system Intuitive parking assist system (w/ Intelligent Clearance Sonar System)
Clearance warning ECU assembly	w/ Intelligent Clearance Sonar System: Measurement of ultrasonic sensor detection angle Steering angle neutral point Bumper type registration Ultrasonic sensor detection angle registration	Intelligent clearance sonar system Intuitive parking assist system (w/ Intelligent Clearance Sonar System)
Steering sensor	w/ Intelligent Clearance Sonar System: Steering angle neutral point (Initialize intelligent clearance sonar system)	Intelligent clearance sonar system
	w/ Parking Assist Monitor System: Steering angle neutral point (Initialize parking assist monitor system) Steering angle setting	Parking assist monitor system	for Initialization: for Calibration:
	w/ Panoramic View Monitor System: Steering angle neutral point (Initialize panoramic view monitor system) Steering angle setting	Panoramic view monitor system	for Initialization: for Calibration:
Suspension, tires, etc.*2	w/ Intelligent Clearance Sonar System: Measurement of ultrasonic sensor detection angle Ultrasonic sensor detection angle registration	Intelligent clearance sonar system
	w/ Parking Assist Monitor System: Rear television camera assembly optical axis (Back camera position setting)	Parking assist monitor system
	w/ Panoramic View Monitor System: Parking assist ECU initialization Adjust steering angle	Panoramic view monitor system
Rear television camera assembly	w/ Parking Assist Monitor System: Parking assist monitor system initialization Rear television camera assembly optical axis (Back camera position setting)	Parking assist monitor system
Rear television camera assembly	w/ Panoramic View Monitor System: Rear television camera view adjustment	Panoramic view monitor system
w/ Panoramic View Monitor System: Parking assist ECU	Parking assist ECU initialization Adjust steering angle	Panoramic view monitor system
w/ Panoramic View Monitor System: Front television camera assembly Radiator grille assembly	Front television camera view adjustment	Panoramic view monitor system
w/ Panoramic View Monitor System: Side television camera assembly LH Outer rear view mirror assembly LH	Side television camera view adjustment
w/ Panoramic View Monitor System: Side television camera assembly RH Outer rear view mirror assembly RH	Side television camera view adjustment
w/ Panoramic View Monitor System: Front television camera assembly, radiator grille assembly or front bumper assembly Rear television camera assembly Side television camera assembly LH or outer rear view mirror assembly LH Side television camera assembly RH or outer rear view mirror assembly RH	Television camera view adjustment
Blind spot monitor sensor	Blind Spot Monitor Beam Axis Adjustment	DTCs are output Blind spot monitor system
Inner rear view mirror assembly	Register transmitter code	Garage door opener function
Certification ECU (smart key ECU assembly) Steering lock ECU (steering lock actuator assembly) ID code box (immobiliser code ECU) Main body ECU (multiplex network body ECU) Electrical key transmitter sub-assembly Hybrid vehicle control ECU	Code registration (Immobiliser system)	Wireless door lock control system Smart Access system with push-button start Immobiliser system Steering lock system
Air conditioning amplifier assembly No. 1 air conditioning radiator damper servo sub-assembly No. 2 air conditioning radiator damper servo sub-assembly No. 1 blower mode damper servo sub-assembly	Initialization servo motor (Air conditioning system)	DTCs are output
Occupant detection ECU Front passenger seat	Zero point calibration and sensitivity check (Occupant classification system)	Occupant classification system Passenger airbag ON/OFF indicator Airbag system (Front passenger side) Seat belt warning system (Front passenger)
Door window regulator assembly Power window regulator motor assembly Door glass Door glass run	Initialize power window control system	Auto up and down function Jam protection function Remote control function Key-linked function Wireless transmitter-linked function Key-off operation function Catch protection function Window open warning function
w/ Sliding Roof System: Sliding roof glass sub-assembly Sliding roof drive gear sub-assembly (sliding roof ECU)	Initialize sliding roof system	Auto operation function Jam protection function Key-off operation function Key-linked function Sliding roof open warning function Wireless transmitter-linked function
w/ Power Back Door System: Multiplex network door ECU	Initialize power back door system	Power back door system
w/ Power Back Door System: Multiplex network door ECU Kick door control sensor*3	Reset connection history	There are cases where the connection history display differs from the vehicle condition
for Triple Beam Headlight: Headlight light control ECU sub-assembly LH	Synchronize the vehicle information Perform headlight ECU sub-assembly LH initialization	Headlight leveling function AFS (Adaptive front-lighting system)
for Triple Beam Headlight: Replacement of the rear height control sensor sub-assembly LH, removal and reinstallation of the rear height control sensor sub-assembly LH, replacement of the suspension, etc. have been performed.	Perform headlight ECU sub-assembly LH initialization
Wheel alignment adjustment	Clear zero point calibration data. Perform yaw rate and acceleration sensor zero point calibration.	VSC malfunctioning

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