Lexus NX: System Diagram
Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Afs (adaptive Front-lighting System) / System Diagram
SYSTEM DIAGRAM
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the AFS (front-lighting adaptive system).
*: Use the Techstream
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
Operation Check
OPERATION CHECK AFS (FRONT-LIGHTING ADAPTIVE SYSTEM) OPERATION CHECK NOTICE: Make sure that the customize settings are set to default when performing the AFS (front-lighting adaptive system) operation
Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE AFS (ADAPTIVE FRONT-LIGHTING SYSTEM) NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Be sure to make
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Inspection
INSPECTION PROCEDURE 1. INSPECT INTEGRATION CONTROL AND PANEL ASSEMBLY (ABSORBER CONTROL SWITCH) (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Switch Condition Specified Condition 8 (B) - 1 (GND) Normal position ON
Headlamp LH Circuit (B2439,B243A)
DESCRIPTION This DTC is output when the headlight ECU sub-assembly receives an abnormal signal from the headlight unit. The headlight ECU sub-assembly LH outputs DTC B2439 and B243A DTC No. Detection Item DTC Detection Condition Trouble Area B2439 Headlamp LH Circuit Headlight ECU s
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