Distributor: Description and Operation
Distributor Assembly:
PURPOSE
The Optical Distributor sends engine speed and crankshaft position signals to the Powertrain Control Module (PCM). These signals are used to control ignition timing, fuel injection, and idle speed. SEE IGNITION PICK-UP (OPTICAL) OPERATION.
Distributes coil secondary voltage to correct spark plug cable, through rotor and distributor cap.