Troubleshooting - Arctic Cat WILDCAT/X Service Manual

Troubleshooting

Problem: Spark absent or weak
Condition
1. Ignition coil defective
2. Spark plug(s) defective
3. CKP sensor defective
4. ECM defective
Problem: Spark plug fouled with carbon
Condition
1. Gasoline incorrect
2. Air cleaner element dirty
3. Spark plug(s) incorrect (too cold)
4. Valve seals cracked - missing
5. Oil rings worn - broken
Problem: Spark plug electrodes overheat or burn
Condition
1. Spark plug(s) incorrect (too hot)
2. Engine overheats
3. Spark plug(s) loose
Problem: Battery does not charge
Condition
1. Lead wires/connections shorted - loose - open
2. Stator coils shorted - grounded - open
3. Regulator/rectifier shorted
Problem: Battery charges, but charging rate is below the specification
Condition
1. Lead wires shorted - open - loose (at terminals)
2. Stator coils grounded - open
3. Regulator/rectifier defective
4. Cell plates (battery) defective
Problem: Magneto overcharges
Condition
1. Battery short circuited
2. Regulator/rectifier defective
3. Regulator/rectifier poorly grounded
Problem: Charging unstable
Condition
1. Lead wire intermittently shorting
2. Magneto internally shorted
3. Regulator/rectifier defective
Problem: Starter does not engage
Condition
1. Battery charge low
2. Switch contacts defective
3. Starter motor brushes not seating
4. Starter relay defective
5. Wiring connections loose - disconnected
6. Start-in-gear/neutral relay defective
Problem: Battery "sulfation" (Acidic white powdery substance or spots on surfaces of cell plates)
Condition
1. Charging rate too low - too high
2. Battery discharged
Problem: Battery discharges too rapidly
Condition
1. Charging system (charging operation) not set properly
2. Cell plates overcharged - damaged
3. Battery short-circuited
4. Electrical load too high
Problem: Battery polarity reversed
Condition
1. Battery incorrectly connected
Remedy
1. Replace ignition coil
2. Replace plug(s)
3. Replace CKP sensor
4. Replace ECM
Remedy
1. Change to correct gasoline
2. Clean element
3. Replace plug(s)
4. Replace seals
5. Replace rings
Remedy
1. Replace plug(s)
2. Service cooling system
3. Tighten plug(s)
Remedy
1. Repair - replace - tighten lead wires
2. Replace stator coils
3. Replace regulator/rectifier
Remedy
1. Repair - tighten lead wires
2. Replace stator coils
3. Replace regulator/rectifier
4. Replace battery
Remedy
1. Replace battery
2. Replace regulator/rectifier
3. Clean - tighten ground connection
Remedy
1. Replace lead wire
2. Replace stator coil
3. Replace regulator/rectifier
Remedy
1. Recharge - replace battery
2. Replace switch
3. Replace starter
4. Replace relay
5. Connect - tighten - repair connections
6. Replace relay
Remedy
1. Replace battery
2. Charge battery
Remedy
1. Check AC generator - regulator/rectifier - circuit connections
2. Replace battery - correct charging system
3. Replace battery
4. Reduce load
Remedy
1. Reverse connections - replace battery
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