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
• electrically heated PCV valve (6A666) and heater circuit
• electrically heated PCV fitting (9F624) and heater circuit
• powertrain control module (PCM) (12A650)
  Fig 1: Identifying Positive Crankcase Ventilation Connector Terminals

  Courtesy of FORD MOTOR CO.

Powertrain Control Module (PCM) Connector 

For PCM connector views or reference values, refer to SECTION 6: REFERENCE VALUES .