Pinpoint Test Dg: Knock Sensor (KS): Introduction

This pinpoint test is intended to diagnose the following:

Fig 1: Knock Sensor 1 (KS1) Connector (1 Of 2)

Courtesy of FORD MOTOR CO.

Fig 2: Knock Sensor 1 (KS1) Connector (2 Of 2)

Courtesy of FORD MOTOR CO.

Fig 3: Knock Sensor 2 (KS2) Connector

Courtesy of FORD MOTOR CO.

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

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR

Vehicle	Connector	Pin	Circuit
E-Series 4.6L, E-Series 5.4L, F-150 2V 4.6L, Focus	190-Pin	E46 E47 E63 B67	KS1+ KS1- VREF VPWR
Edge, Flex, MKS, MKX, Sable, Taurus, Taurus X	190-Pin	E31 E30 E49 E48 B29, B64 B51	KS2+ KS2- KS1+ KS1- VREF VPWR
Escape/Mariner 3.0L	190-Pin	E60 E59 E43 E42 E35 B67	KS2+ KS2- KS1+ KS1- VREF VPWR
Escape/Mariner 2.5L	190-Pin	E43 E42 E35 B67	KS1+ KS1- VREF VPWR
Expedition, F-150 3V 4.6L, F-150 5.4L, Navigator	190-Pin	E62 E61 E46 E47 E63 B67	KS2+ KS2- KS1+ KS1- VREF VPWR
F-Super Duty, Mustang 4.6L	170 Pin	E31 E30 E49 E48 E57 B35	KS2+ KS2- KS1+ KS1- VREF VPWR
Fusion, Milan	140 Pin	E49 E48 E57 B51	KS1+ KS1- VREF VPWR
MKZ	140 Pin	E31 E30 E49 E48 E57 B51	KS2+ KS2- KS1+ KS1- VREF VPWR
All other vehicles	170 Pin	E49 E48 E57 B35	KS1+ KS1- VREF VPWR