OBD Operation Summary for Fiesta - MotorCraftService.com

Camshaft Position Sensor MonitorA P0340/P0365 malfunction is indicated if no signal edge is detected for a calibratable time between two expectedcamshaft signal edges. A P0341/P0366 malfunction is indicated if the camshaft position is outside of the calibrated rangespecified for the engine. A P0344/P0369 malfunction is detected if a tooth segment period is too short.Camshaft Position Sensor:DTCsMonitor executionMonitor SequenceSensors OKMonitoring DurationP0340 – Camshaft Position Sensor "A" CircuitP0341 – Camshaft Position Sensor "A" Circuit Range/PerformanceP0344 – Camshaft Position Sensor "A" Circuit IntermittentP0365 – Camshaft Position Sensor "B" CircuitP0366 – Camshaft Position Sensor "B" Circuit Range/PerformanceP0369 – Camshaft Position Sensor "B" Circuit IntermittentContinuous within entry conditionsNoneCKP, CMP4 engine cyclesTypical Camshaft Position check entry conditions:Entry Condition Minimum MaximumIgnitionEngine speedOn3712 rpmTypical Camshaft Position check malfunction thresholds:P0340 - Signal Implausible / Loss of Sync.No signal edge is detected for a max time between two camshaft signal edges: > 4 countsP0341 - Plausibility checkNumber of missing camshaft edges seen from the previous camshaft edge: > 3P0344 - Intermittent/erraticCam Segment Period to Short: > 3P0365 - Signal Implausible / Loss of Sync.No signal edge is detected for a max time between two camshaft signal edges: > 4 countsP0366 - Plausibility checkNumber of missing camshaft edges seen from the previous camshaft edge: > 3P0369 - Intermittent/erraticCam Segment Period to Short: > 3CONTINENTAL REVISED: SEPTEMBER 17, 2010 PAGE 100 OF 111