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Home >> Cadillac >> 2007 >> XLR Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System >> Diagnostic Information and Procedures >> Scan Tool Data Definitions >> Headlamp Control Module
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Headlamp Control Module

AFS Disable Indication

The scan tool displays Off or On. Indicates the status of the adaptive forward lighting system (AFS).

Auto Headlamp Status

The scan tool displays Off or On. Indicates the state of the headlamps switch when placed in the AUTO position.

Auto Hdlp. Signal Present

The scan tool displays Yes or No. Indicates the state of the headlamps switch when placed in the AUTO position.

Component Serial No. 13-16

The scan tool displays the third partition of the door module serial number.

Headlamp Control Motor Status

The scan tool displays Off/Active/Hold/Homing/Forward/Disabled/Invalid. Indicates the status of the headlamp control motors input.

Ignition 1

The scan tool displays Active or Inactive. Indicates the state of the ignition 1 voltage input.

Julian Date Of Build

The scan tool displays a number representing the day of the year the module selected was built.

Left Hdlp. Motor Position

The scan tool displays Counts. This is the value that represents how much the headlamps are being moved to the left position.

Right Hdlp. Motor Position

The scan tool displays Counts. This is the value that represents how much the headlamps are being moved to the right direction.

Software Part Number

The scan tool displays the part number for the current level software.

Year Module Built

The scan tool displays the four digit year of build for the module selected.