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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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 NO. 1 MOULDING TAPE (a) Remove the No. 1 moulding tape (double-sided tape). HINT: Do not pull on the No. 1 moulding tape (double-sided
DC / DC Converter Status Circuit (P0A08-264)
DESCRIPTION The DC/DC converter converts the DC 244.8 V of the HV battery into DC 12 V in order to supply power to areas such as the vehicle's lighting, audio, and ECU systems. In addition, it charges the auxiliary battery. A transistor bridge circuit initially converts DC 244.8 V into alternating c
