PINPOINT TEST KN: Variable Speed Electric Cooling Fan: Introduction
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2008 Mercury Sable, 2008 Mercury Mountaineer, 2008 Mercury Milan, 2008 Mercury Mariner, and 2008 Mercury Grand Marquis. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Crown Victoria Police Interceptor vehicles equipped with fire suppression system, refer to part 419-03 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+, GND
- powertrain control module (PCM) (12A650)
| Pin | Circuit |
|---|---|
| 4 | FCV (Fan Control Variable) |
| 2 | GND (Ground) |
| 1 | B+ (Battery Positive Voltage) |
| Pin | Circuit |
|---|---|
| 1 | GND (Ground) |
| 2 | VPWR (Vehicle Power) |
For PCM connector views or reference values, refer to the REFERENCE VALUES article.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Crown Victoria, Grand Marquis, Town Car |
170 Pin | E7 | FCV |
| Fusion, Milan, MKZ |
140 Pin | B8 | FCV |
| All other vehicles | 190 Pin | B48 | FCV |