Pinpoint Test F : The Automatic High Beam Feature Is Inoperative: Notes
WARNING: This page is about a different car, the 2018 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
Normal Operation and Fault Conditions
The IPMA controls the automatic high beam feature when active.
The IPMA turns the high beam headlamps on when the following conditions are met:
- The feature has been enabled using the message center
- The headlamp switch is in the AUTOLAMPS position and the autolamps feature has turned the exterior lamps on
- The vehicle speed is greater than 51 km/h (32 mph)
- The IPMA determines the ambient lighting conditions are dark enough
- The IPMA does not detect any light source that can be interpreted as an illuminated vehicle lamp
The IPMA turns the high beams off if any of the following occur:
- The IPMA detects any light source that can be interpreted as an illuminated vehicle lamp
- The IPMA determines the ambient lighting conditions are not dark enough
- The vehicle speed falls below 44 km/h (27 mph)
- The autolamps are turned off
- The IPMA determines the view is blocked
REFER to: Exterior Lighting - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B11C7:46 | High Beam Sensor: Calibration / Parameter Memory Failure | A continuous memory DTC that sets when the IPMA detects a software problem with the calibrations. |
| B11C7:97 | High Beam Sensor: Component or System Operation Obstructed or Blocked | A continuous memory and on-demand DTC that sets when the IPMA detects a blockage in front of the high beam sensor. |
Possible Sources
- Windshield debris
- IPMA (part of the interior rear view mirror)