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 2018 Lincoln Navigator, 2018 Lincoln MKZ, 2018 Lincoln MKX, 2018 Lincoln MKT, and 2018 Lincoln MKC. 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
- crankcase pressure sensor (6758)
- PCM (12A650)
| Pin | Circuit |
|---|---|
| 1 | CKCP (Crankcase Pressure) |
| 2 | SIGRTN (Signal Return) |
| 3 | VREF (Reference Voltage) |
Powertrain Control Module (PCM) Connector
For PCM connector views or reference values, refer to REFERENCE VALUES .
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Escape/Kuga 1.5L | 198 PIN | B69 | CKCP |
| Expedition, F-150 3.5L, Navigator |
198 PIN | E18 | CKCP |
| F-150 2.7L | 306 PIN | E73 | CKCP |
| All other vehicles | 198 PIN | B72 | CKCP |