Polaris Virage TX 2000 Service Manual page 295

FFI™ FUEL INJECTION
Action Steps - Ignition System
• Voltages are low or decrease with RPM - test charging system.
• Voltages are steady but engine misfires - check crankshaft position sensor resistance,
then perform Step 4 while problem is occurring.
• Voltages fluctuate and engine misfires - suspect a loose battery connection or damaged
capacitor.
Step 7: Capacitor Verification (capacitor is mounted above EMM).
A, Connect tether cord to stop switch.
B. Monitor voltage at capacitor while disconnecting tether cord.
• Voltage quickly bleeds to near zero (0) volts - capacitor is OK
• Voltage drops to zero (0) immediately - replace capacitor.
• Voltage does not drop - verify stop circuit.
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