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Ignition Systems 2

Ignition Systems 2. DIS Ignition. Mr. Lombardi, Lombardo, Setter. DI and DIS. DI. DIS. Distributor Ignition. Distributorless Ignition. Distributorless Ignition. DIS Parts PCM Coil Pack ICM Crank Sensor Cam Sensor Knock Sensor MAP Sensor Ignition Wires Spark Plug. PCM or ECM.

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Ignition Systems 2

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  1. Ignition Systems 2 DIS Ignition Mr. Lombardi, Lombardo, Setter

  2. DI and DIS DI DIS • Distributor Ignition • Distributorless Ignition

  3. Distributorless Ignition • DIS Parts • PCM • Coil Pack • ICM • Crank Sensor • Cam Sensor • Knock Sensor • MAP Sensor • Ignition Wires • Spark Plug

  4. PCM or ECM • The Brain of the modern ignition system • Controls the functions of the ignition system and whole car • Uses sensor info to create the primary circuit

  5. ICM • Takes place of the distributor • Receives signals (primary voltage) from PMC • Controls Dwell • Fires the Coils

  6. Coil • Amplifies primary circuit voltage from 12V to 50,000 plus. • Can be shared (pack) or one per cylinder

  7. Crank Position Sensor • Essentially the same purpose as the ignition pickup and trigger wheel in an electronic distributor. • Generates a signal that the PCM needs to determine the position of the crankshaft and the number one cylinder.

  8. Camshaft Position Sensor • Used to help the PCM determine the correct firing order.

  9. Knock Sensor • Detects engine vibrations (detonation) so the PCM can retard timing

  10. MAP • Connected to the intake manifold to monitor intake vacuum. • PCM uses this signal to measure engine load so ignition timing can be advanced and retarded as needed.

  11. Spark plug wires • There are several different Wire types and Manufactures depending on the application

  12. High Tension Ignition Wires • There are three basic wire types • CARBON SUPPRESSION CONDUCTORS • SOLID CORE CONDUCTOR WIRES • "LOW-RESISTANCE" SPIRAL WIRES

  13. Spark Plugs • Spark plugs come in different .. • heat ranges • Shapes • Sizes

  14. The End

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