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C1620 First Setup Not Completed

AutoHex Online Help: Hyundai SANTAFE(CM) 2012
Component Location
General Description

AHLS provides driver with the best visibility by adjusting vertical direction of the headlamp.To ensure an optimum operation of the system, The HLS ( Headlamp Levelling System) has to be adjusted at end-of line procedure.The mechanical basic setting of the headlamps is to be performed with ignition being switched ON. It is important to adjust the system electronically and mechanically at the same place. Only by this way it is quaranteed that the car is in the same suspension condition.



DTC Description

The ECM sets DTC C1620 if the headlamp leveling system has not been adjusted since installation.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

First Setup result monitoring

Faulty ACTUATOR ADJUSTING

Faulty AHLS ECU

Detecting mode

Engine "ON" and Head lamp"ON"

Threshold Value

When being not aware of the origin setting code input right after downloading parameter.

Detecting time

-