PINPOINT TEST HG: Positive Crankcase Ventilation (PCV) System: Introduction
WARNING: This page is about a different variant/trim than selected.
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 article.
| Vehicle | Connector | Pin | Circuit |
|---|---|---|---|
| Mustang | 190-PIN | E4 | PCVHC |
| All other vehicles | 190-PIN | E6 | PCVHC |