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Diagnostic Trouble Code: P0123
Diagnostic Trouble Code Name: Throttle Position Sensor (TP1) circuit high input.
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:
Front Washer Request Signal Circuit
Possible Sensor Faults
Body Control Module
Possible Related Diagnostic Trouble Codes
DTC 022
Circuit / System Description
At the windshield wiper/washer, circuit terminal?4 splits into two circuits, a control circuit going to the windshield washer pump and a signal circuit going to the BCM. The BCM monitors the windshield washer signal circuit, when the windshield washer switch is open, signal circuit voltage will be at or near 0 volts. When windshield washer switch is closed, ignition voltage will flow through the control/signal circuit to the windshield washer pump and to the BCM. The BCM will detect the ignition voltage in the signal circuit and will then command the windshield wipers to function on low for as long as there is ignition voltage on the signal circuit. When the windshield washer switch is open, the voltage on the signal circuit drops to less than 1V and the BCM will then command the windshield wiper to function for 2 more cycles then command the windshield wipers to park.
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