Camshaft Position Sensor
CAMSHAFT POSITION SENSOR-PCM INPUTFig. 3 CPS - Typical V8 Shown:
A sync signal is provide by the camshaft position sensor. The sensor located in the distributor. The sync signal from this sensor works in conjunction with the crankshaft position sensor to provide the Powertrain Control Module (PCM) with inputs. This is done to establish and maintain correct injector firing order.