Pinpoint Test KN: Variable Speed Electric Cooling Fan: Introduction

WARNING: CROWN VICTORIA POLICE INTERCEPTOR VEHICLES EQUIPPED WITH FIRE SUPPRESSION SYSTEM, REFER TO APPROPRIATE FIRE SUPPRESSION ARTICLE FOR IMPORTANT SAFETY WARNINGS . FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.

This pinpoint test is intended to diagnose the following:

variable speed electric cooling fan (8T00)
harness circuits: FCV, B+ and GND
powertrain control module (PCM) (12A650)

Fig 1: Cooling Fan (CF) Module Connector

Courtesy of FORD MOTOR CO.

Fig 2: Cooling Fan (CF) Motor Connector

Courtesy of FORD MOTOR CO.

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

POWERTRAIN CONTROL MODULE (PCM) CONNECTOR PIN REFERENCE CHART

Vehicle	Connector	Pin	Circuit
Crown Victoria, Grand Marquis, Town Car	170 Pin	E7	FCV
Edge, Flex 4V 3.5L, MKS 3.7L, MKT 3.7L, MKX, Taurus 4V 3.5L	190-Pin	B48	FCV
Fusion 3.5L, MKZ	140 Pin	B8	FCV
All other vehicles	190-Pin	B34	FCV