PINPOINT TEST KE: Idle Air Control (IAC) Valve: 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.
This pinpoint test is intended to diagnose the following:
- idle air control (IAC) valve (9F715)
- harness circuits: IAC, PWR and B+ (IAC-RC)
- powertrain control module (PCM) (12A650)
| Pin | Circuit |
|---|---|
| 2 | IAC (Idle Air Control) |
| 1 | PWR (POWER) |
For PCM connector views or reference values, refer to the REFERENCE VALUES article.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Escape/Mariner | 150 (50-50-50) Pin | E39 | IAC |
| Ranger | 170 Pin | E33 | IAC |