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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