JF: Integrated Ignition Coil On Plug Coils A — 2016 workshop reference 5259

Vehicle applicability: This diagnostic supplement covers multiple Ford vehicles and engines. Follow the application named in the source below. Some references apply to vehicles other than Mustang.

Clear the PCM DTCs. REPEAT the self-test.

If the concern or DTC is still present,

GO to JF10 .

JF4 CHECK THE VPWR TO THE SUSPECT COIL

• Ignition ON, engine OFF.

• Suspect Coil Assembly connector disconnected.

• Measure the voltage between:

( + ) COP Connector, Harness Side	( - ) Vehicle Battery
VPWR	Negative terminal

Is the voltage greater than 10.5 V?

Yes	No
For Edge 2.0L, Edge 2.7L, Escape/Kuga 1.6L, Escape/Kuga 2.0L, Expedition, Explorer 2.3L, Explorer 3.5L GTDI, Explorer 3.5L, F-150 2.7L, F-150 3.5L GTDI, Fiesta 1.0L, Fiesta 1.6L GTDI, Flex 3.5L GTDI, Focus, Fusion 1.5L, Fusion 2.0L, MKC, MKS 3.5L, MKT 2.0L, MKT 3.5L,	REPAIR the open circuit. Clear the PCM DTCs. REPEAT the self-test.

Yes

For Edge 2.0L,

Edge 2.7L,

Escape/Kuga 1.6L,

Escape/Kuga 2.0L,

Expedition,

Explorer 2.3L,

Explorer 3.5L GTDI,

Explorer 3.5L,

F-150 2.7L,

F-150 3.5L GTDI,

Fiesta 1.0L,

Fiesta 1.6L GTDI,

Flex 3.5L GTDI,

Focus,

Fusion 1.5L,

Fusion 2.0L,

MKC,

MKS 3.5L,

MKT 2.0L,

MKT 3.5L,

REPAIR the open circuit. Clear the PCM DTCs. REPEAT the self-test.

Source reference 5259

2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.