This DTC sets when the crankshaft position sensor profile ignition pickup pulse is missing for greater than a calibrated number of camshaft revolutions when the camshaft speed exceeds the equivalent speed of engine idle or the starter motor is engaged.
Item | Detecting Condition | Possible Cause | |
DTC Strategy | Case1 |
•
Voltage Range check | 1. Poor connection 2. Open or short in signal circuit 3. CKPS |
Case2 |
•
Signal Plausibility | ||
Enable Conditions | Case1 |
•
- | |
Case2 |
•
Camshaft signal valid First active signal edge-> Camshaft segment period determination-> Camshaft edge counter (inlet or exhaust) >= 3 | ||
Threshold Value | Case1 |
•
bias node voltage below threshold < 0.86V or bias node voltage above threshold > 2.86V or bias node voltage amplitude above threshold > 0.3...0.65Vdepending on RPM | |
Case2 |
•
(No long-tooth detected or No Crankshaft teeth detected ) after 3 camshaft edge(inlet or exhuast) transitions | ||
Diagnostic Time | Case1 |
•
Continuous | |
Case2 |
•
3 revs | ||
MIL ON Condition |
•
2 Driving Cycles | ||
