Lexus NX: Automatic High Beam Main Switch

Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Automatic High Beam Main Switch

Inspection

INSPECTION

PROCEDURE

1. INSPECT COMBINATION SWITCH ASSEMBLY (AUTOMATIC HIGH BEAM MAIN SWITCH)

(a) Remove the combination switch assembly.

Click here

(b) Inspect the automatic high beam main switch.

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

I33-1 (+B) - I33-10 (E)

Automatic high beam main switch off

10 kΩ or higher

Automatic high beam main switch on

Below 1 Ω

If the result is not as specified, replace the combination switch assembly.

*a

Component without harness connected

(Auto High Beam Switch)

(c) Check the illumination.

(1) Apply auxiliary battery voltage to the connector and check the illumination conditions.

OK:

Measurement Condition

Specified Condition

Auxiliary battery positive (+) → I33-7 (ILL+)

Auxiliary battery negative (-) → I33-12 (ILL-)

Illuminates

If the result is not as specified, replace the combination switch assembly.

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 Automatic High Beam System

 Precaution

PRECAUTION HANDLING PRECAUTIONS FOR FORWARD RECOGNITION CAMERA (a) The automatic high beam system uses the forward recognition camera. For precautions related to the forward recognition camera, refer

 Parts Location

PARTS LOCATION ILLUSTRATION *1 FORWARD RECOGNITION CAMERA *2 BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY (SKID CONTROL ECU) *3 HEADLIGHT ASSEMBLY LH *4 HEADLIGHT ASSEMBLY RH *5

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 Initialization

INITIALIZATION MAINTENANCE REQUIRED REMINDER RESET PROCEDURE (with mph units) (a) Turn the power switch on (IG). (b) Using the steering pad switch assembly, display the setting display on the multi-information display. (c) Select "Maintenance System" from the setting display and perform initializati

 Removal

REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. REMOVE FRONT SEAT ASSEMBLY LH Click here 2. REMOVE FRONT LOWER SEAT CUSHION SHIELD Click here 3. REMOVE POWER SEAT SWITCH KNOB LH Click here

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