Pinpoint Test JF: Integrated Ignition Coil On Plug (COP) Coils A Through D Failure: Introduction
WARNING: This page is about a different car, the 2010 Mercury Mariner and 2010 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
TO PREVENT THE RISK OF HIGH-VOLTAGE SHOCK, ALWAYS FOLLOW PRECISELY ALL WARNINGS AND SERVICE INSTRUCTIONS, INCLUDING INSTRUCTIONS TO DEPOWER THE SYSTEM. THE HIGH-VOLTAGE HYBRID SYSTEM UTILIZES APPROXIMATELY 300 VOLTS DC, PROVIDED THROUGH HIGH-VOLTAGE CABLES TO ITS COMPONENTS AND MODULES. THE HIGH-VOLTAGE CABLES AND WIRING ARE IDENTIFIED BY ORANGE HARNESS TAPE OR ORANGE WIRE COVERING. ALL HIGH-VOLTAGE COMPONENTS ARE MARKED WITH HIGH-VOLTAGE WARNING LABELS WITH A HIGH-VOLTAGE SYMBOL. FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN SERIOUS PERSONAL INJURY OR DEATH.
This pinpoint test is intended to diagnose the following:
- ignition coils (12A366)
- harness circuits: CD1, CD2, CD3, CD4, and IGN START/RUN
- powertrain control module (PCM) (12A650)
IGNITION COIL TO CYLINDER CORRELATION
IGNITION COIL TO CYLINDER CORRELATION
| Related DTC | Cylinder Number | Ignition Coil | Coil Driver (CD) | PCM Pin |
|---|---|---|---|---|
| P0351 | 1 | A | A | E70 |
| P0352 | 2 | B | D | E50 |
| P0353 | 3 | C | B | E66 |
| P0354 | 4 | D | C | E69 |