Ignition System: Description and Operation

The ignition system consists of the:
- ignition coil.
- spark plug wires.
- spark plugs.

The ignition system is:
- an Electronic Distributorless Ignition System (EDIS) controlled by an Electronic Engine Control (EEC) integrated into the Powertrain Control Module (PCM).
- set for base timing at 10° ± 2° Before Top Dead Center (BTDC) and is not adjustable.

The ignition coil changes low voltage pulses from the PCM to high voltage pulses.

The spark plug wires carry high voltage pulses from the ignition coil to the spark plug.

The spark plugs have a platinum-enhanced active electrode for long life. The active electrode is different for the LH and RH spark plugs.
- The RH side (Cylinders 1, 2, 3, and 4) spark plugs are AWSF-32PG.
- The LH side (Cylinders 5, 6, 7, and 8) spark plugs are AWSF-32P.

Replacement spark plugs have a platinum-enhanced electrode and can be used to replace either a RH spark plug or a LH spark plug.