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Diagnostic Trouble Code: 157
Diagnostic Trouble Code Name: Mass Air Flow (MAF) sensor circuit low input
Vehicle Make: Ford
Vehicle Model: Falcon (EF)
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:
Extended Travel Brake Switch Circuit
Possible Sensor Faults
ECM
Possible Related Diagnostic Trouble Codes
DTCP1575
Circuit / System Description
This diagnostic test functions on the assumption that a brake application causes a sudden decrease in non-drive wheel speed.
The extended travel brake switch is a normally closed switch. When the extended travel brake switch is closed, the engine control module (ECM) detects ignition voltage on the extended travel brake switch signal circuit.
If the ECM detects voltage on the extended travel brake switch signal circuit when the extended travel brake switch should be open, this DTC sets.
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