Pinpoint Tests JB: Secondary Ignition (COP): Introduction
NOTE:
A damaged 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
- exhaust spark plug wire (12286) (6.2L engine only)
| Vehicle | Firing Order for Coil On Plug Applications |
|---|---|
| E-Series, F-150 5.0L, F-650/F-750, F-Series Super Duty 6.2L, F-Series Super Duty 7.3L, Motorhome/Stripped Chassis/Step Van, Mustang 5.0L | 1 5 4 8 6 3 7 2 |
| Mustang 5.2L | 1 5 4 8 3 7 2 6 |
| 3-cylinder applications | 1 2 3 |
| 4-cylinder applications | 1 3 4 2 |
| 6-cylinder applications | 1 4 2 5 3 6 |
| 8-cylinder applications | 1 3 7 2 6 5 4 8 |
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Corsair 2.5L, | A | 3 | VPWR |
| Escape/Kuga 2.5L, | |||
| Explorer 3.3L, | |||
| F-150 3.3L, | |||
| Mustang 5.2L, | |||
| Transit TiVCT 3.5L | |||
| E-Series, | A | 1 | VPWR |
| F-150 5.0L, | |||
| F-650/F-750, | |||
| F-Series Super Duty, | |||
| Motorhome/Stripped Chassis/Step Van | |||
| EcoSport 1.5L, | B | 2 | VPWR |
| KA | |||
| Mustang 5.0L | A | 1 (Cylinder 3), 3 (All Others) | VPWR |
| Ranger 2.5L, | C | 2 | VPWR |
| Transit Connect 2.5L | |||
| Transit GTDI 3.5L | D | 3 | VPWR |
| All other vehicles | E | 3 | VPWR |