Saab 9000 - Page 43

40 · Technical Description
Ignition
~ischarge
module (contd.)
◊
SSEC
Burn-off
After the ignition switch has been turned off and the
engine has stopped, the main relay remains acti-
vated for a further 6 seconds. The Trionic ECM then
grounds all the trigger leads 21 0 times per second for
5 seconds. Each electrode gap burns off impurities
with more than 1000 sparks.
229
Saab 9000
346
589
IIP
IIP
IIP
IIP
--------I
µp
1---------F-"..__.
I
µp
r®-µp