Pinpoint Test Hg: Positive Crankcase Ventilation (PCV) System: Introduction
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 |
| F-150 GTDI 3.5L | 198 PIN | E18 | CKCP |
| All other vehicles | 198 PIN | B72 | CKCP |