Ignition Timing: Description and Operation

Ignition Timing Control
- The ECM/PCM contains memories for basic ignition timing at various engine speeds and manifold air flow rates. Ignition timing is also adjusted for engine coolant temperature.
- A knock control system was adopted which sets the ideal ignition timing for the octane rating of the gasoline used.*3

*3 CVT (D6Y5 engine), D16Y8 engine and B16A2 engine