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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Cornering Light Circuit
DESCRIPTION The illumination of the fog light assembly (cornering light) is controlled by the headlight ECU sub-assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
The light system (for Triple Beam Headlight) uses the CAN communication system and multiplex communication system (LIN). First
Removal
REMOVAL 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 SIDE MUDGUARD SUB-ASSEMBLY LH HINT: When removing the side mudguard sub-assembly LH, if the No. 3 moulding tape (double-sided tape) is diff
