A Crankshaft Position Sensor (CKPS) is a magnetic type sensor that generates voltage using a sensor and a target wheel mounted on the crankshaft. The PCM calculates engine RPM by using the sensor’s signal and controls the injection duration and the ignition timing.
Camshaft Position Sensor (CMPS) is a hall sensor and detects the camshaft position by using a hall element. It is related with Crankshaft Position Sensor (CKPS) and detects the piston position of the each cylinder which the CKPS can’t detect. This CMPS signal is sent to the PCM and it uses CMPS signals for determining the ignition timing with CKPS signals. CMPS makes Sequential Injection possible.
If the deviation between CKPS and CMPS(IN-CMPS Bank 1) is bigger than the threshold value, PCM sets DTC P0016.
Item
Detecting Condition
Possible Cause
Case1
DTC
Strategy
Camshaft install diagnosis
Poor connection
Contamination of Oil / Clog of Oil path
CKPS, CMPS
OCV
CVVT
Enable
Conditions
First firing detected after PCM installed or ‘Camshaft install fault exist
Adapted CMP - CMP < 2 Deg
Threshold
Value
| Adapted CMP – Set value |> 7 Deg
Case2
Camshaft and crankshaft alignment check
Engine speed < 1500rpm
Engine load < 50%
ECT > 60C
| Adapted CMP – Set value – Adaped CMP during installdiagnosis | > 13 Deg
Diagnostic Time
6 camshaft rotations
MIL On Condition
2 driving cycle
Fig.1) Normal waveform of CKPS & IN-CMPS Bank 1 at idle.