dis ignition mr. lombardi, lombardo, setter. didis distributor ignition distributorless ignition

14
IGNITION SYSTEMS 2 DIS Ignition Mr. Lombardi, Lombardo, Setter

Upload: prosper-roberts

Post on 17-Dec-2015

225 views

Category:

Documents


2 download

TRANSCRIPT

Page 1: DIS Ignition Mr. Lombardi, Lombardo, Setter. DIDIS  Distributor Ignition  Distributorless Ignition

IGNITION SYSTEMS 2DIS Ignition

Mr. Lombardi, Lombardo, Setter

Page 2: DIS Ignition Mr. Lombardi, Lombardo, Setter. DIDIS  Distributor Ignition  Distributorless Ignition

DI and DIS

DI DIS

Distributor Ignition Distributorless Ignition

Page 3: DIS Ignition Mr. Lombardi, Lombardo, Setter. DIDIS  Distributor Ignition  Distributorless Ignition

Distributorless Ignition

DIS Parts PCM Coil Pack ICM Crank Sensor Cam Sensor Knock Sensor MAP Sensor Ignition Wires Spark Plug

Page 4: DIS Ignition Mr. Lombardi, Lombardo, Setter. DIDIS  Distributor Ignition  Distributorless Ignition

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

Page 5: DIS Ignition Mr. Lombardi, Lombardo, Setter. DIDIS  Distributor Ignition  Distributorless Ignition

ICM

Takes place of the distributor Receives signals (primary voltage) from

PMC Controls Dwell Fires the Coils

Page 6: DIS Ignition Mr. Lombardi, Lombardo, Setter. DIDIS  Distributor Ignition  Distributorless Ignition

Coil

Amplifies primary circuit voltage from 12V to 50,000 plus.

Can be shared (pack) or one per cylinder

Page 7: DIS Ignition Mr. Lombardi, Lombardo, Setter. DIDIS  Distributor Ignition  Distributorless Ignition

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.

Page 8: DIS Ignition Mr. Lombardi, Lombardo, Setter. DIDIS  Distributor Ignition  Distributorless Ignition

Camshaft Position Sensor

Used to help the PCM determine the correct firing order.

Page 9: DIS Ignition Mr. Lombardi, Lombardo, Setter. DIDIS  Distributor Ignition  Distributorless Ignition

Knock Sensor

Detects engine vibrations (detonation) so the PCM can retard timing

Page 10: DIS Ignition Mr. Lombardi, Lombardo, Setter. DIDIS  Distributor Ignition  Distributorless Ignition

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.

Page 11: DIS Ignition Mr. Lombardi, Lombardo, Setter. DIDIS  Distributor Ignition  Distributorless Ignition

Spark plug wires

There are several different Wire types and Manufactures depending on the application

Page 12: DIS Ignition Mr. Lombardi, Lombardo, Setter. DIDIS  Distributor Ignition  Distributorless Ignition

High Tension Ignition Wires There are three basic wire types

CARBON SUPPRESSION CONDUCTORS SOLID CORE CONDUCTOR WIRES "LOW-RESISTANCE" SPIRAL WIRES

Page 13: DIS Ignition Mr. Lombardi, Lombardo, Setter. DIDIS  Distributor Ignition  Distributorless Ignition

Spark Plugs

Spark plugs come in different .. heat ranges Shapes Sizes

Page 14: DIS Ignition Mr. Lombardi, Lombardo, Setter. DIDIS  Distributor Ignition  Distributorless Ignition

The End