PINPOINT TEST DG: Knock Sensor (KS): Introduction

This pinpoint test is intended to diagnose the following:

Fig 1: Identifying Knock Sensor 1 (KS1) Connector

Courtesy of FORD MOTOR CO.

Fig 2: Identifying Knock Sensor 2 (KS2) Connector

Courtesy of FORD MOTOR CO.

Powertrain Control Module (PCM) Connector

For PCM connector views or reference values, refer to REFERENCE VALUES .

POWERTRAIN CONTROL MODULE CONNECTOR PINS REFERENCE CHART

Vehicle	Connector	Pin	Circuit
E-Series 4.6L, E-Series 5.4L, Focus, Transit Connect	190-PIN	E46 E47 E63 B67, B68	KS1+ KS1- VREF VPWR
Edge, Escape / Mariner 3.0L, Fusion 3.0L, Milan 3.0L, MKX, Mustang 3.7L	190-PIN	E60 E59 E43 E42 E35 B67, B68	KS2+ KS2- KS1+ KS1- VREF VPWR
Escape / Mariner 2.5L, Fusion 2.5L, Milan 2.5L	190-PIN	E43 E42 E35 B67, B68	KS1+ KS1- VREF VPWR
Expedition, Navigator	190-PIN	E62 E61 E46 E47 E63 B67, B68	KS2+ KS2- KS1+ KS1- VREF VPWR
Explorer, F-150 3.7L	190-PIN	E60 E59 E43 E42 B52 B67, B68	KS2+ KS2- KS1+ KS1- VREF VPWR
F-150 6.2L, F-150 5.0L	190-PIN	E45 E44 E7 E6 B52 B67, B68	KS2+ KS2- KS1+ KS1- VREF VPWR
F-150 3.5L	198 PIN	E50 E51 E65 E66 E8 B101, B102, B103	KS2+ KS2- KS1+ KS1- VREF VPWR
F-Series Super Duty, Mustang 5.4L, Mustang 5.0L	190-PIN	E45 E44 E7 E6 E20 B67, B68	KS2+ KS2- KS1+ KS1- VREF VPWR
Fiesta	128 PIN	T20 T28 T17 T25 B16, T11, T13 B11, B12, B8	KS2+ KS2- KS1+ KS1- VREF VPWR
Flex 4V 3.5L, MKS 3.7L, MKT 3.7L, Taurus 4V 3.5L	190-PIN	E31 E30 E49 E48 B29, B64 B51, B52, B53	KS2+ KS2- KS1+ KS1- VREF VPWR
Flex GTDI 3.5L, MKS 3.5L, MKT 3.5L, Taurus GTDI 3.5L	190-PIN	E60 E59 E43 E42 E35 B35, B36, B51	KS2+ KS2- KS1+ KS1- VREF VPWR
Fusion 3.5L, MKZ	140 PIN	E31 E30 E49 E48 E57 B51, B52	KS2+ KS2- KS1+ KS1- VREF VPWR
All other vehicles	170 PIN	E49 E48 E57 B35, B36	KS1+ KS1- VREF VPWR