7.6
Section 7
Electrical System and Components
ǯȱ ȱȱȱȱǰȱȱȱ¢ȱ
ȱȱȱȱǯȱȱȱ¢ȱǰȱ
wires, connections, safety interlocks, etc.
ǯȱ ȱȱȱȱȱȱȱ
associated with the ignition or electrical
¢ȱȱȱǯȱȱȱȱȱ
isolated until all testing is completed.
ȱ Řǯȱ ȱȱȱȱȱ¢ȱȱȱ
ȱǰȱǻȱȱǯȱŘŚȱŚśśȱŖŘȬǼǯȱ
ȱȱȱȱȱȱȱȱȱ
ȱȱȱȱȱǯȱȱȱȱȱ
a good ground, not to the spark plug.
Figure 7-6. Digital Spark Advance Ignition (DSAI) System.
ȱ ȱ ȱȱȱȱȱȱȱȱ
gap. Repeat the procedure on the other cylinder.
ȱȱȱȱęȱȱȱǯ
ǯȱ ȱȱȱȱȱęǰȱȱȱǰȱ
connections, and terminals on that side. If
wiring is okay, replace ignition module and
retest for spark.
ǯȱ ȱȱȱȱǰȱȱȱȱ
misses or won’t run on that cylinder, try a
new spark plug.
ǯȱ ȱȱȱȱęǰȱȱȱȱ
ignition switch and check for shorted kill
lead.
Operation of DSAI Ignition Systems
DSAI Ignition System Explanation
ȱȱȱȱȱȱ¢ȱǻǼȱȱ
ȱȱȱǯȱȱȱȱ¢ȱȱȱ
ǰȱŗŘȬȱȱȱȱę¡ȱȱȱ
¢ȱȱȱȱǯȱȱȬ¢ȱ
ȱȱȱȱȱȱȱȱ
ȱǯȱȱ¢ȱȱȱǻȱŝȬŜǼȱ
consists of the following components:
ȱ Ȋȱ ȱȱ¢ǰȱȱȱ¢ȱĜ¡ȱ
ȱȱĚ¢ǯ
ȱ Ȋȱ ȱǰȱŗŘȬȱȱǰȱȱ
ȱȱȱȱȱǻȱŝȬŜǼǯ
ȱ Ȋȱ ȱŗŘȬȱĴ¢ǰȱȱȱȱȱȱ
ignition modules.
ȱ Ȋȱ ȱȱȱǻȱ¢ȱǼȱȱȱȱ
spark advance module to stop the engine.
• Two spark plugs.
Operation
The system provides more consistent energy to the
ȱȱȱȱȱȱ¢ȱȱȱŗŘȬȱ
Ĵ¢ȱȱȱȱȱǯȱȱȱȱȱ
ȱȱǻǼȱȱȱȱ
ȱȱ¢ȱȱĚ¢ȱȱȱȱȱ
passes the ignition module. System triggering and
ȱȱȱȱ¢ȱȱ¢Ȭȱ
microprocessor. This digital control provides
ȱȱȱȱ¢ȱȱ
ǯȱȱȱȱȱȱȱ
independently for each engine cylinder.
Comments to this Manuals