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Headlamp Control Module Scan Tool Information

WARNING: This page is about a different car, the 2015 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.

The headlamp control module scan tool data parameters list contains all headlamp related parameters that are available on the scan tool. The list is arranged in alphabetical order. A given parameter may appear in any one of the data lists.

Headlamp Control Module Scan Tool Data Parameters

Parameter System State Expected Value Description
Operating Conditions:  Ignition ON
Accelerator Pedal Position - - The scan tool displays the position of the accelerator pedal in %.
Battery Voltage - 9.0-14.0 V The scan tool displays the current battery voltage.
Front Leveling Position Sensor - - The scan tool displays the position of the front leveling sensor in mm.
Headlamp Light Distribution - Inactive The scan tool displays the current light distribution mode.
- Country Road
- City Street
- Expressway
- Bad Weather
- High Beam
Left Headlamp Horizontal Motor - - The scan tool displays the position of the left headlamp horizontal motor in °.
Left Headlamp Vertical Motor - - The scan tool displays the position of the left headlamp vertical motor in %.
Rear Leveling Position Sensor - - The scan tool displays the position of the rear leveling sensor in mm.
Right Headlamp Horizontal Motor - - The scan tool displays the position of the right headlamp horizontal motor in °.
Right Headlamp Vertical Motor - - The scan tool displays the position of the right headlamp vertical motor in %.
Low Beam Illumination Area - Left Hand Traffic The scan tool displays the current traffic mode.
- Right Hand Traffic
Steering Wheel Angle Sensor Signal - - The scan tool displays the current position of the steering wheel angle sensor in °.
Vehicle Leveling Sensors Supply Voltage - 9.0-13.0 V The scan tool displays the current leveling sensor supply voltage.
Vehicle Speed - - The scan tool displays the vehicle speed in km/h (MPH).
Headlamp Control Module Scan Tool Output Controls

Output Control Description
Headlamp Light Distribution Commands the headlamps to the appropriate distribution.
Headlamps High Intensity Discharge Power Increase Commands the discharge power Increase or Decrease.
Left Cornering Lamp Commands the cornering lamp Increase or Decrease.
Left Headlamp Horizontal Motor Commands the horizontal motor Increase or Decrease.
Left Headlamp Vertical Motor Commands the vertical motor Increase or Decrease.
Right Cornering Lamp Commands the cornering lamp Increase or Decrease.
Right Headlamp Horizontal Motor Commands the horizontal motor Increase or Decrease.
Right Headlamp Vertical Motor Commands the vertical motor Increase or Decrease.