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Diagnostic Trouble Code: B1253
Diagnostic Trouble Code Name: Air Temperature Internal Sensor Circuit Short To Ground Input < 0.32V, External Fault
Vehicle Make: Ford
Vehicle Model: Falcon (BF)
Diagnostic Code Entered By: ZerOne
Diagnostic Code Entered On: Wed Oct 06, 2010 11:00 pm
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Please Note: The DTC Information provided has been randomly generated.
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Diagnostic Trouble Code Description:
AHLD Front Axle Sensor Supply Circuit
Possible Sensor Faults
Headlamp Control Module
Possible Related Diagnostic Trouble Codes
DTC B3415
Circuit / System Description
Each headlamp assembly contains a headlamp leveling motor that is controlled by the headlamp control module. The front and rear headlamp leveling sensors provide the headlamp control module with suspension position information. Each sensor receives a 5-volt reference, signal, and low reference circuits from the headlamp control module. The sensors are connected to the control arms of the front and rear suspension. As the vehicle travels, the suspension compresses and rebounds moving the suspension position sensor arms. This causes the signal output of the sensor to change. The headlamp control module compares the information from both suspension position sensors and adjusts the headlamp leveling as needed. The headlamp control module is wired to each headlamp leveling motor with 4?directional motor control circuits
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