PINPOINT TEST HG: Positive Crankcase Ventilation (PCV) System: Introduction
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2011 Mercury Milan, 2011 Mercury Mariner, 2011 Mercury Grand Marquis, 2011 Lincoln Town Car, and 2011 Lincoln Navigator L. However, it is still accessible from the selected car via links, so may be relevant.
This pinpoint test is intended to diagnose the following:
- positive crankcase ventilation (PCV) valve (6A666) and related vacuum lines
- electrically heated PCV valve (6A666) and heater circuit
- electrically heated PCV fitting (9F624) and heater circuit
- powertrain control module (PCM) (12A650)
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to REFERENCE VALUES .
POWERTRAIN CONTROL MODULE (PCM) CONNECTOR PINS REFERENCE CHART
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Crown Victoria, Grand Marquis, Ranger | 170 PIN | E3 | PCVHC |
| E-Series | 190-PIN | E6 E7 |
PCVHC PCVHF |
| Escape / Mariner, Fusion, Milan |
190-PIN | E6 | PCVHC |
| F-150 | 198 PIN | E13 | PCVHF |
| Mustang | 190-PIN | E4 | PCVHC |
| All other vehicles | 190-PIN | E7 E8 |
PCVHC PCVHF |