Pinpoint Test P : The Automatic High Beam Feature Is Inoperative: Notes
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
Normal Operation and Fault Conditions
REFER to: Exterior Lighting - Overview .
REFER to: Exterior Lighting - System Operation and Component Description .
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)