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Diagnostic Trouble Code: 23
Diagnostic Trouble Code Name: Throttle Input fault. Voltage measured by TCM from the Throttle potentiometer is outside the expected range
Vehicle Make: Ford
Vehicle Model: Falcon (EL)
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:
HVAC Actuators Supply Voltage
Possible Sensor Faults
Heater and Blower and Air Conditioning Control Module
Possible Related Diagnostic Trouble Codes
DTC B0223, B0233, B023A, or B0408
Circuit / System Description
Stepper motors are used for temperature regulation, air distribution control and recirculation flap control.
With the appropriate switches at the HVAC control, the desired air temperature flap position, air distribution flap position and recirculation flap position can be put in. The selected values are passed to the HVAC control module via the LIN-Bus. The HVAC control module supplies a 12?V reference voltage to the stepper motors and energizes the 4 stepper motor coils with a pulsed ground signal. The stepper motors put the appropriate flap into the calculated position, in order to reach the put in temperature/position.
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