Beretta L4-138 2.3L DOHC QUAD 4 HO MFI VIN A (1994)
Ignition Control Module: Description and Operation
IDIS Ignition Coil And Module Assembly
Ignition Circuit
NOTE: Because different models and engine applications vary in wire colors, circuit numbers, and pin numbers, the above image is a typical example.
Refer to COMPUTERS AND CONTROL SYSTEMS/SCHEMATIC AND ROUTING DIAGRAMS for specific schematic applications.
PURPOSE
The Integrated Direct Ignition (IDI) module monitors the crank sensor signals and based on these signals sends a reference signal to the PCM so
that correct spark and fuel injector control can be maintained during all driving conditions.