Component Location
General Description

The Crankshaft Position Sensor (CKPS) is a magnetic field sensitive type sensor that generates voltage using a sensor and a target wheel mounted on the crankshaft; there are 58 slots in the target wheel where one is longer than the others.During one crankshaft rotation there are 58 rectangular signals and one longer signal. The ECM calculates engine RPM by using the sensor’s signal and controls the injection duration and the ignition timing. Using the signal differences caused by the longer slot, the ECM identifies which cylinder is at top dead center.

DTC Description

Checking tooth error correction under detecting condition, if the TEC(Tooth Error Correction) is out of Threshold value, PCM sets P0315.

DTC Detecting Condition

Item

Detecting Condition

Possible cause

DTC Strategy

● This DTC indicates that crankwheel tooth error has not been learned.

● loosened CKPS

● Target wheel

● PCM

Enable Conditions

● 10% ≤ Engine load < 90%

● 2000 rpm ≤ engine speed ≤ 4000 rpm

● TEC(Tooth Error Correction) RPM stability timer > 10sec

● 0℃(32°F) < coolant temperature < 110℃(230°F)

● Not active disabling faults

Threshold Value

● Distance driven without learning(during fuel cut off) tooth error ≥ 6500km(4038.91275 mile)

● Acutal Value is higher or lower than calibrated value

Diagnosis Time

● Continuous

MIL On Condition

● DTC only

Schematic Diagram
note
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