Pinpoint Tests KN: Variable Speed Electric Cooling Fan Motor: Introduction

This pinpoint test is intended to diagnose the following:

• cooling fan (CF) module (8B658)
• cooling fan assembly (8C607)
• harness circuits: FCV, FANPWR and GND
• PCM (12A650)

Fig 1: Battery Junction Box-A (BJB-A) Connector

Courtesy of FORD MOTOR CO.

Fig 2: Cooling Fan (CF) Module Connector

Courtesy of FORD MOTOR CO.

Fig 3: Powertrain Control Module-B (PCM-B) Connector

Courtesy of FORD MOTOR CO.