2001 Polaris SLX, PRO 1200, Virage TX, Genesis, Virage TXi, Genesis i Personal Watercraft Service Manual, Page 318Get this manual
Fuel Injection System Preliminary Tests
Since electrical, fuel, and ignition systems interact, symptom can have more than one causeTo determine the faulty system, perform the following stepsOnce system is isolated, use the Diagnostic Guide to further define the problem and lead to the appropriate Action StepStep 1: Check all ground wires and wire connectors for tightness, damage, or corrosionPoor grounds can cause many symptoms including failure to start and misfiringDisassemble, clean, and reinstall any questionable ground connectionsCheck the circuit breaker
Loose ground connections are the #1 cause of engine malfunctionMake sure to check all ground circuits first, before moving on to next Action StepsStep 2: Examine spark plugs for indications of rich or lean cylinders, fouling, or evidence of internal damageStep 3: Retrieve any service codes and correct if possibleStep 4: If engine won't crank, check the following: Check circuit br ic Gu th is FFI
Step 5: If engine will cran ut not rt, elimi stdp first testing the black and yellow wires that If okay, perform crank1ng spark test with vmirg lightis in for full or electrical system