1. Engine
  2. Engine Controls - 3.4L (LA1)
  3. Description and Operation
Electronic Ignition (EI) System

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The electronic ignition system controls fuel combustion by providing a spark to ignite the compressed air/fuel mixture at the correct time. To provide optimum engine performance, fuel economy, and control of exhaust emissions, the PCM controls the spark advance of the ignition system. Electronic i...

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Document Title: Electronic Ignition (EI) System

electronic

ignition

system

fuel

spark

correct

time

provide

engine

performance

control

exhaust

advance

following

mechanical

distributor

mounting

load

coil

timing

available

conventional

three

module

camshaft

position

sensor

crankshaft

balancer

interrupter

attached

secondary

winding

connected

ground

grounded

plug

cylinder

companion

same

fire

circuit

compression

waste

stroke

requires

energy

will

used

required

reverse

this

called

polarity

primary

with

voltage

current

volts

pressure

wire

disconnected

open

ring

click

size

bracket

cover

uses

connector

halleffect

switch

magnet

signal

magnetic

field

piece

steel

that

blades

allow

spaced

revolution

other

slots

applied

piston

intake

received

proper

sequence

based

occurs

start

running

sends

reference

determine

speed

pulse

information

temperature

components

calculate

trigger

bypass

servicing

output

contact

result

bent

check

injection

monitors

input

operation

using

dwell

operating

mode

btdc

vehicle

fault

quit

restart

calculated

coolant

knock

compares

operate

detonation

sequential

detect

advance ignition

ignition coil

ignition coils

ignition control

control module

crankshaft position

connected engine

engine ground

ground ignition

cylinder compression

fire spark

spark plug

secondary voltage

interrupter ring

signal voltage

ring blades

crankshaft revolution

signal used

sensor click

size ignition

engine running

crankshaft reference

spark advance

reference signal

ignition timing

engine speed

uses signal

signal calculate

ground circuit

bypass circuit

engine start

size click

spark timing

bypass mode

mode ignition

mode operation

quit running

engine coolant

coolant temperature

knock sensor

pulses circuit

control spark

module circuit

circuit open

volts bypass

open grounded

pulses ignition

operate bypass

fuel injection

bypass control

control circuit

grounded ignition

performance fuel economy

ignition control module

crankshaft position sensors

connected engine ground

engine ground ignition

fire spark plug

polarity ignition coil

ignition coil primary

coil primary secondary

crankshaft position sensor

timing chain cover

balancer interrupter ring

interrupter ring blades

correct ignition coil

click size camshaft

size camshaft position

sensor click size

piston intake stroke

ignition coils click

coils click size

click size ignition

size ignition control

ignition coils proper

position sensor click

powertrain control module

electronic ignition control

uses signal calculate

grounded bypass circuit

crankshaft reference signal

servicing ignition system

click size click

size click size

spark advance ignition

bypass mode ignition

engine quit running

restart bypass mode

engine coolant temperature

control spark timing

control spark advance

apply volts bypass

circuit ignition control

ignition system bypass

system bypass mode

control module circuit

module grounds pulses

ignition system operate

system operate bypass

sequential fuel injection

bypass control circuit

volts bypass circuit

volts bypass control

applies volts bypass

grounded ignition control

engine start bypass

start bypass mode

operate bypass mode