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 Communication Table Sender Receiver Signal Communication Line Air conditioning amplifier assembly Hybrid vehicle control ECU Heater idle up request signal CAN ECO mode switch information signal Engine ON request signal Charging control inhibit sign
Disassembly
DISASSEMBLY 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 TURN SIGNAL LIGHT BULB (a) Turn the bulb socket counterclockwise until the matchmark is aligned with the unlock position mark to
