PINPOINT TEST KN: Variable Speed Electric Cooling Fan Motor: Introduction

WARNING: This page does not describe the selected car, but rather 25 other vehicles, including the 2012 Lincoln Navigator L, 2012 Lincoln Navigator, 2012 Lincoln MKZ, 2012 Lincoln MKX, and 2012 Lincoln MKT. However, it is still accessible from the selected car via links, so may be relevant.

This pinpoint test is intended to diagnose the following:

cooling fan module (8B658)
cooling fan assembly (8C607)
harness circuits: FCV, B+ and GND
powertrain control module (PCM) (12A650)

Fig 1: Identifying Cooling Fan (CF) Module Connector
Courtesy of FORD MOTOR CO.

Fig 2: Identifying Cooling Fan (CF) Motor Connector
Courtesy of FORD MOTOR CO.

Powertrain Control Module (PCM) Connector

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

Vehicle	Connector	Pin	Circuit
Edge 2.0L, Explorer 2.0L, Focus	154 PIN	B8	FCV
Flex 4V 3.5L, MKS 3.7L, MKT 3.7L, Taurus 4V 3.5L	190-PIN	B48	FCV
Fusion 3.5L, MKZ	140 PIN	B8	FCV
All other vehicles	190-PIN	B34	FCV