Lexus NX: 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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