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Home >> Saturn >> 2006 >> Ion Red Line >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - DTC P0132 To DTC P0340 >> DTC P0335 >> Circuit Description

Circuit Description

The crankshaft position (CKP) sensor signal indicates the crankshaft speed and position. The CKP sensor produces an AC voltage of varying amplitude and frequency. The frequency depends on the velocity of the crankshaft, and the AC output voltage depends on crankshaft position and battery voltage. The CKP sensor works in conjunction with a 58-tooth reluctor wheel attached to the crankshaft. The powertrain control module (PCM) determines the crankshaft position by the reference gap. The PCM can synchronize the ignition timing, fuel injector timing, and the spark knock control based on the CKP sensor and the camshaft position (CMP) sensor inputs. The CKP sensor is also used to detect a misfire. The CKP sensor circuits connect directly to the PCM. The circuits between the CKP sensor and the PCM consists of the following:

If the PCM detects an incorrect number of pulses from the CKP sensor, DTC P0335 sets.

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