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Coil on Plug (COP) Ignition

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Vehicle:Dodge Intrepid 3.5 V6
a Ch A:Primary voltage
b Ch B:Primary voltage
c Ch C:Primary voltage
d Ch D:Primary current

Coil on Plug (COP) Ignition Waveform Notes

This waveform was captured from a 1997 Dodge Intrepid 3.5 V6.

This vehicle has COP ignition. ChA, ChB and ChC are the primary voltage of the individual cylinders of one bank of the V6 and ChD is the primary current draw from all 3 coils on that bank.