Distributor: Description and Operation

PURPOSE
The Distributor performs two functions:
- Distributes secondary voltage from the coil to the correct sparkplug wire and sparkplug.
- Houses the Ignition Control Module (ICM) and the TDC/CKP/CYP Sensor.

OPERATION
The Distributor shaft, rotating at camshaft speed, allows the secondary voltage to flow from the coil wire through the cap/rotor to the correct spark plug wire and spark plug. It then continually advances the rotor to align with the next spark plug wire terminal. It also allows the TDC/CKP/CYP Sensor to accurately inform the Engine Control Module (ECM) of the relative positions of the crank, cam and pistons.