Pinpoint Test JB: Secondary Ignition (COP): Introduction

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 Lincoln Navigator, 2015 Lincoln MKZ, 2015 Lincoln MKX, 2015 Lincoln MKT, and 2015 Lincoln MKS. 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.

NOTE: There is additional information available on this procedure. Refer to the Service Tips tab and select the appropriate test listed under the Job Aids title.

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
Mustang 5.0L, F-150, F-250 - F-550 6.2L	1 5 4 8 6 3 7 2
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: Identifying Coil On Plug (COP) Connector

Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	Circuit
E-Series, F-Series Super Duty 6.8L, Motorhome/Stripped Chassis/Step Van	A	2 1	COP VPWR
Edge 2.0L, Edge 2.7L, Escape/Kuga 2.0L, Explorer 2.0L, F-150 2.7L, Focus 2.0L, Fusion 2.0L, MKC, MKT 2.0L, MKZ 2.0L, Mustang 2.3L, Taurus 2.0L	B	2 1 3	GND COP VPWR
Escape/Kuga 1.6L, Fiesta, Fusion 1.5L, Fusion 1.6L, Transit Connect 1.6L	C	2 1 3	GND COP VPWR
Escape/Kuga 2.5L, Fusion 2.5L, Transit Connect 2.5L	A	1 2	COP VPWR
Expedition, Explorer GTDI 3.5L, F-150 GTDI 3.5L, Flex GTDI 3.5L, MKS 3.5L, MKT 3.5L, Navigator, Taurus GTDI 3.5L, Transit 3.5L	D	1 2 3	GND COP VPWR
F-Series Super Duty 6.2L	D	3 1	COP VPWR
Focus 1.0L	E	2 1 3	GND COP VPWR
All other vehicles	D	1 3	COP VPWR