Testing Injector Timing Sensor Output; Testing Lighting Coil Output (Battery Charging Circuit); Testing Lighting Coil Output (Lighting System); Testing Electrical Resistances - Arctic Cat Wildcat EFI 1994 Service Manual

Testing Injector Timing
Sensor Output
1. Disconnect the double plug from the injector
timing sensor located on top of the flywheel
housing.
2. Connect the red tester lead to the white/black
wire in the double plug and connect the yellow
tester lead to the remaining brown wire in the
double plug.
3. Set the tester on 40 LOW scale. Crank the
engine over quickly. If the tester light illumi ­
nates, the injector timing sensor is satisfactory.
If the tester light fails to illuminate, replace the
injector timing sensor. Test three times for con ­
clusive results.
Testing Lighting
Coil Output
(Battery Charging Circuit)
NOTE: There are two lighting coil outputs
that must be tested. The two yellow/red
wires located in the four prong connector are
used to charge the battery. The single yellow
wire and brown lead is used for lighting system
and accessories. When conducting either light­
ing coil test, the ignition switch should be in the
OFF position.
1. Disconnect the four-wire plug from the mag ­
neto.
2. Connect the red tester lead to one of the yel­
low/red wires; connect the yellow tester to the
other yellow/red wire.
3. Set the tester on 80 LOW scale.
4. Crank the engine over quickly. If the tester light
illuminates, lighting coil output is satisfactory.
Test three times for conclusive results.
5. If the tester light fails to illuminate, the lighting
coil wires should be checked for breaks, corro ­
sion, and looseness. If the connections are tight
and free of corrosion, replace the coil ring.
Testing Lighting
Coil Output
(lighting System)
NOTE: There are two lighting coil outputs
that must be tested. The two yellow/red
wires located in the four prong connector are
used to charge the battery. The single yellow
wire and brown lead is used for lighting system
and accessories. When conducting either light­
ing coil test, the ignition switch should be in the
OFF position.
1. Disconnect the four-wire plug from the mag ­
neto.
2. Connect the red tester lead to one of the yellow
wires; connect the brown tester to the other
brown wire.
3. Set the tester on 80 LOW scale.
4. Crank the engine over quickly. If the tester light
illuminates, lighting coil output is satisfactory.
Test three times for conclusive results.
5. If the tester light fails to illuminate, the lighting
coil wires should be checked for breaks, corro ­
sion, and looseness. If the connections are tight
and free of corrosion, replace the lighting coil.
Testing
Electrical Resistances
NOTE: All resistance tests of the engine
electrical components can be made using
multitester. Replace any component that does
not have a test value within specifications.
IGNITION COIL (PRIMARy)
1. Disconnect the double-wire plug from the CDI
unit to the ignition coil
2. Set the selector on the X1 position; then touch
the leads and zero the meter.
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3. Connect the red meter lead to the white lead;
connect the black meter lead to the black lead.
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