PINPOINT TEST JE: Integrated Ignition Coil Pack A, B, or C Failure: 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.
This pinpoint test is intended to diagnose the following:
- ignition coil packs (12029)
- ignition coil harness
- IGN START/RUN circuit to coil packs
- powertrain control module (PCM) (12A650)
Pinpoint Test Schematics and Connectors
For PCM connector views or reference values, refer to the REFERENCE VALUES article.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| F-150, Freestar/Monterey, Taurus |
A | 2 3 1 4 |
CD C CD B CD A IGN START/RUN |
| Mustang | B | 2 3 4 1 |
CD C CD B CD A IGN START/RUN |
| Ranger 2.3L | C | 3 1 2 |
CD B CD A IGN START/RUN |
| Ranger 3.0L | A | 2 1 3 4 |
CD C CD B CD A IGN START/RUN |
| Ranger 4.0L | B | 3 4 2 1 |
CD C CD B CD A IGN START/RUN |
| All other vehicles | B | 3 2 4 1 |
CD C CD B CD A IGN START/RUN |
IGNITION COIL TO CYLINDER CORRELATION
| Vehicle | Related DTC | Cylinder Number | Ignition Coil | Coil Driver (CD) | PCM Pin |
|---|---|---|---|---|---|
| 2.3L Ranger | P0351 | 1 | A | A | E17 |
| P0352 | 2 | B | B | E12 | |
| P0352 | 3 | B | B | E12 | |
| P0351 | 4 | A | A | E17 | |
| Freestar, Monterey, Taurus | P0351 | 1 | A | A | 26 |
| P0353 | 2 | C | C | 78 | |
| P0352 | 3 | B | B | 52 | |
| P0352 | 4 | B | B | 52 | |
| P0351 | 5 | A | A | 26 | |
| P0353 | 6 | C | C | 78 | |
| All others | P0351 | 1 | A | A | E17 |
| P0353 | 2 | C | C | E16 | |
| P0352 | 3 | B | B | E12 | |
| P0352 | 4 | B | B | E12 | |
| P0351 | 5 | A | A | E17 | |
| P0353 | 6 | C | C | E16 |