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:
If the result is not as specified, replace the combination switch assembly. |
|
(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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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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System Diagram
SYSTEM DIAGRAM Component Outline Power switch
Transponder key amplifier
Turns on the power and starts the hybrid control system.
Contains a built-in transponder key amplifier to start the hybrid control system when the electrical key transmitter sub-assembly does not operate
Installation
INSTALLATION PROCEDURE 1. INSTALL NO. 4 ANTENNA CORD SUB-ASSEMBLY (a) Attach the 2 clamps and guide to install the No. 4 antenna cord sub-assembly. (b) Install the bolt and attach the 2 clamps to install the washer hose. (c) Connect each connector. 2. INSTALL NO. 2 ANTENNA CORD SUB-ASSEMBLY (a) When
