Pinpoint Test JB: Secondary Ignition (Cop): Introduction

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2017 Lincoln Navigator, 2017 Lincoln MKZ, 2017 Lincoln MKX, 2017 Lincoln MKT, and 2017 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: A damaged ignition system may cause high catalyst temperatures. Check the components next to the catalyst and muffler for heat damage.

For 2 wire coil harness connectors, select the PCM Ignition Coil Driver Test.

For 3 wire coil harness connectors, select the Driver On Coil Ignition Test.

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
Fusion 1.5L 1	2 4 3
E-Series 6.2L, F-150 5.0L, F-Series Super Duty 6.2L, 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
10-cylinder applications	1 6 5 10 2 7 3 8 4 9

Fig 1: Coil On Plug (COP) Connector

Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	Circuit
Continental 3.7L, Edge 3.5L, Explorer TiVCT 3.5L, Explorer 3.7L, F-150 TiVCT 3.5L, Flex TiVCT 3.5L, MKT 3.7L, MKX 3.7L, Mustang 3.7L, Mustang 5.0L, Taurus TiVCT 3.5L, Taurus 3.7L, Transit 3.7L	A	1 3	COP VPWR
E-Series 6.2L, F-Series Super Duty 6.2L	A	3 1	COP VPWR
E-Series 6.8L, F-650/F-750, F-Series Super Duty 6.8L, Motorhome/Stripped Chassis/Step Van	B	2 1	COP VPWR
EcoSport, Escape/Kuga 2.5L, Fusion 2.5L, Transit Connect	B	1 2	COP VPWR
Expedition, Explorer GTDI 3.5L, Flex GTDI 3.5L, MKT 3.5L, Navigator, Taurus GTDI 3.5L, Transit 3.5L	A	1 2 3	GND COP VPWR
F-150 GTDI 3.5L	C	1 2 3	GND COP VPWR
F-150 5.0L, Mustang 5.2L	D	1 3	COP VPWR
Fiesta 1.0L	E	2 1 3	GND COP VPWR
Fiesta GTDI 1.6L, Focus 1.0L	F	2 1 3	GND COP VPWR
KA	G	1 2	COP VPWR
All other vehicles	C	2 1 3	GND COP VPWR