PINPOINT TEST HG: Positive Crankcase Ventilation (PCV) System: Introduction
WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 2014 Lincoln Navigator, 2014 Lincoln MKZ, 2014 Lincoln MKX, 2014 Lincoln MKT, and 2014 Lincoln MKS. 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)
| Pin | Circuit |
|---|---|
| 1 | PCVHC (Positive Crankcase Ventilation Valve Heater Control) |
| 2 | IGN START/RUN (Ignition START/RUN) |
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to SECTION 6: REFERENCE VALUES .
| Connector | Pin | Circuit |
|---|---|---|
| 190-PIN | E4 | PCVHC |