Lexus NX: Precaution

PRECAUTION

PRECAUTION FOR HEADLIGHT BULB REPLACEMENT

(a) If even a thin film of oil is left on the surface of a headlight bulb, its service life will be shortened because the light will burn at a higher temperature. When replacing a bulb, be sure to hold the flanged part of the light so that your hand does not contact the glass part of the light.

(b) As the internal pressure of headlight bulbs is high, dropping, hitting or damaging a bulb may result in it exploding and shattering.

(c) Always prepare a new bulb for immediate replacement. While replacing a bulb, the lens may attract dust and moisture if removed from the vehicle for a long time.

(d) Always replace a bulb with another bulb of the same wattage.

(e) If only replacing the bulb on one side, differences in brightness and lighting color between the right and left sides may occur.

(f) Securely install the socket after bulb replacement. The lens may become cloudy or the light cavity may fill with water through gaps around the socket if the socket is not installed securely.

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 Parts Location

PARTS LOCATION ILLUSTRATION *1 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH *2 SHIFT LEVER POSITION SENSOR *3 SIDE TURN SIGNAL LIGHT ASSEMBLY LH *4 SIDE TURN SIGNAL LIGHT ASSEMBLY

 System Diagram

SYSTEM DIAGRAM Tail, Stop, Headlight Circuit Turn Signal Circuit

 System Description

SYSTEM DESCRIPTION AUTOMATIC LIGHT CONTROL SYSTEM (a) When the headlight dimmer switch is in the AUTO position, the automatic light control system detects ambient light levels and controls the headlig

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 Inspection

INSPECTION PROCEDURE 1. INSPECT FRONT SEAT ADJUSTER ASSEMBLY LH (w/o Memory) (a) Check the operation of the slide motor. (1) Apply auxiliary battery voltage to the slide motor connector, and check that the front seat adjuster assembly LH operates smoothly as follows. OK: Condition Specified

 Terminals Of Ecu

TERMINALS OF ECU CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (a) Disconnect the I53 certification ECU (smart key ECU assembly) connector. (b) Measure the voltage and resistance according to the value(s) in the table below. Tester Connection Input/Output Wiring Color Terminal Descripti

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