Ignition map control unit for DIS and SSI ignition system; control of ignition timing as a function of speed and crankshaft position data supplied by CPS sensor 738515, with engine-dependent data (load, temperature) taken into consideration.
The load can be detected by means of a built in MAP sensor which can be used together with the hand vacuum pump 37558.
To be adapted to various fuel types the default octane setting can be changed.
