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Diagnostic Trouble Code: P0208
Diagnostic Trouble Code Name: Injector 8 (INJ8) circuit malfunction V8 engine.
Vehicle Make: Ford
Vehicle Model: Falcon (BA)
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:
Drivers Air Mix Door Motor Circuit
Possible Sensor Faults
Heating, Ventilation, A.C. (HVAC)
Possible Related Diagnostic Trouble Codes
DTC B0228, B0238, B0253, B0408, B0418, B0428, or B3531
Circuit / System Description
The actuators operate using 5 circuits. A 12-volt reference, low reference, signal circuit and two bi-directional 0 or 12?volt control circuits. The HVAC control module supplies a low reference and 12-volt reference to the potentiometer. The HVAC control module monitors the voltage drop across the potentiometer on the door position signal circuit. As the actuator door changes position the door position signal circuit voltage also changes. The two bi-directional control circuits enable the actuator to operate. Both circuits are set to 0?volts when the HVAC control module detects, from the feedback potentiometer, that the actuator is in the desired position. In order to move the actuator, the HVAC control module switches the appropriate control circuit to 12?volts.
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