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

2021 Ford Edge SE, 4WDSECTION Introduction
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2019 Ford Transit-350 HD, 2019 Ford Transit-350, 2019 Ford Transit-250, 2019 Ford Transit-150, and 2019 Ford F-550 Super Duty. 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 (CF) module (8B658)
  • cooling fan assembly (8C607)
  • harness circuits: FCV, FANPWR and GND
  • PCM (12A650)
Fig 1: Battery Junction Box-A (BJB-A) Connector
G13533599Courtesy of FORD MOTOR CO.

Harness Side

Circuit Pin
Fig 2: Powertrain Control Module-B (PCM-B) Connector
G13533600Courtesy of FORD MOTOR CO.

Harness Side

Circuit Pin
FCV (Fan Control Variable) 34
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.