Ignition Coil
Distributor
II
Igniter
0 0
IGT IGF
0 0 0
GC NE G
0
L
ECU
IG0831
Ignition Switch
AM1
IG1
Spark Plug
Firing Order
1
5 3 6 2
4
To Tachometer
Fusible C
0.5G
Link
Battery
IG-4
IGNITION SYSTEM —
Ignition System Circuit
I
GNITION SYSTEM CIRCUIT
ELECTRONIC SPARK ADVANCE (ESA)
The ECU is programmed with data for optimum ignition
ti
ming under any and all operating conditions. Using
data provided by sensors which monitor various engine
functions (rpm, intake air volume, eng. temperature, etc.)
the microcomputer (ECU) triggers the spark at precisely
the right instant.
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