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
- crankcase pressure sensor (6758)
- PCM (12A650)
Harness Side
| Circuit | Pin |
|---|---|
| VREF (Reference Voltage) | 3 |
| CKCP (Crankcase Pressure) | 1 |
| SIGRTN (Signal Return) | 2 |
Harness Side
| Circuit | Pin |
|---|---|
| CKCP (Crankcase Pressure) | B72 |