Test Description

The numbers below refer to step numbers in diagnostic procedure.

1. 4
   
   Monitoring misfire current counters determines if a fault is present.
2. 11
   
   A good indication that fuse is open, is all misfire current counters are incrementing on one side of engine. Inspect ignition positive voltage circuit for a grounded circuit. If fuse is open and ignition coil circuits are okay, inspect injector circuits for being grounded.