PINPOINT TEST DG: Knock Sensor (KS): Introduction: Notes

WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 2014 Lincoln Navigator, 2014 Lincoln MKZ, 2014 Lincoln MKX, 2014 Lincoln MKT, and 2014 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.

This pinpoint test is intended to diagnose the following:

KS1 and KS2 (12A699)
harness circuits: KS1+, KS1-, KS2+, and KS2-
powertrain control module (PCM) (12A650)

Fig 1: Identifying Knock Sensor 1 Connector Terminals (1 Of 2)
Courtesy of FORD MOTOR CO.

Fig 2: Identifying Knock Sensor 1 Connector Terminals (2 Of 2)

Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	Circuit
E-Series, Escape 1.6L, Transit Connect 1.6L	A	2 1	KS1+ KS1-
Edge 2.0L, Escape 2.0L, Escape 2.5L, Explorer 2.0L, Focus, Fusion 2.0L, Fusion 2.5L, MKT 2.0L, MKZ 2.0L, Taurus 2.0L, Transit Connect 2.5L	B	2 1	KS1+ KS1-
Expedition, Navigator	C	1 2	KS1+ KS1-
F-150 5.0L, F-650/F-750, F-Series Super Duty, Motorhome/Stripped Chassis/Step Van, Mustang 5.0L, Mustang 5.8L	D	1 2	KS1+ KS1-
F-150 6.2L	E	1 2	KS1+ KS1-
Fiesta 1.0L	F	1 2	KS1+ KS1-
Fiesta GTDI 1.6L, Fusion 1.5L, Fusion 1.6L	A	1 2	KS1+ KS1-
All other vehicles	G	1 2	KS1+ KS1-

Fig 3: Identifying Knock Sensor 2 Connector Terminals (1 Of 2)

Courtesy of FORD MOTOR CO.

Fig 4: Identifying Knock Sensor 2 Connector Terminals (2 Of 2)

Courtesy of FORD MOTOR CO.

Vehicle	Connector	Pin	Circuit
Edge 2.0L, Escape 2.0L, Explorer 2.0L, Focus, Fusion 2.0L, MKT 2.0L, MKZ 2.0L, Taurus 2.0L	A	2 1	KS2+ KS2-
Escape 1.6L, Transit Connect	B	2 1	KS2+ KS2-
Expedition, Navigator	C	1 2	KS2+ KS2-
F-150 5.0L, F-650/F-750, F-Series Super Duty 6.2L, Motorhome/Stripped Chassis/Step Van, Mustang 5.0L, Mustang 5.8L	D	1 2	KS2+ KS2-
F-150 6.2L	E	1 2	KS2+ KS2-
F-Series Super Duty 6.8L	F	1 2	KS2+ KS2-
Fiesta, Fusion 1.5L, Fusion 1.6L	B	1 2	KS2+ KS2-
All other vehicles	F	3 4	KS2+ KS2-