PINPOINT TEST JB: Secondary Ignition (COP): Introduction
WARNING: This page does not describe the selected car, but rather 35 other vehicles, including the 2007 Mercury Mountaineer, 2007 Mercury Monterey, 2007 Mercury Montego, 2007 Mercury Milan, and 2007 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
A malfunctioning ignition system may cause high catalyst temperatures. Check the components next to the catalyst and muffler for heat damage.
This pinpoint test is intended to diagnose the following:
- spark plugs (12405)
- secondary side of the coil
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Edge, MKX, MKZ |
A | 2 | IGN START/RUN |
| Escape, Five Hundred, Focus, Freestyle, Fusion, Mariner, Milan, Montego |
B | 2 | IGN START/RUN |
| All other vehicles | B | 1 | IGN START/RUN |
| Vehicle | Firing Order for Coil On Plug Applications |
|---|---|
| BASE, 4-cylinder applications | 1 3 4 2 |
| BASE, 6-cylinder applications | 1 4 2 5 3 6 |
| BASE, 8-cylinder applications | 1 3 7 2 6 5 4 8 |
| BASE, 10-cylinder applications | 1 6 5 10 2 7 3 8 4 9 |