Ez-115K - Volvo 819 E Service Manual

EZ-115K

B280EIF
The co ntrol unit (1) computes the optimum timing on
an ignition pulse at exactly the
current in the primary winding of the ignition coil
interruption of the primary current is
The con trol unit computes the timing on
- Engine speed and crankshaft position signals are supplied by the
- Engine knock is detected by the
- Ignition in NO. 1 cylinder is indicated by the No.1 cylinder detector
- Engine load signals are
- Eng ine temperature
- Closure of the throttle
The ignition pulse is interrupted by
The control unit can vary the timing from
correct instant to the
fed to the distributor (28)
the
knock sensors
supplied by the fuel injection system
is indicated by th e temperature
is indicated by the throttle
the control unit
approx.
Design
EZ-115K
the basis of information
power stage
(25). The high-tension
for delivery
basis of the following information:
(7).
control
sensor (23).
switch (24).
at a speed of approx. 6300
60° before TDC to approx. "
Group
and function - System
from the various sensors
which responds by making and breaking the
cu rrent induced in the
to the appropriate spark plug (29).
speed/positi o n pick-up
(15).
unit (19).
r/min.
. after TDC.
28 fgnition systems
descriptions
and delivers
secondary winding by
(2).
55