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.

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(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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