Tests HG: Positive Crankcase Ventilation (PCV) System
PINPOINT TEST HG: POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM
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 both PCM and non- PCM controlled
^ electrically heated PCV tube (9F624) and heater circuit both PCM and non- PCM controlled
^ powertrain control module (PCM) (12A650)
^ PCV thermal extension harness (12A580)
Note: For the electrically heated PCV system only refer to Positive Crankcase Ventilation (PCV) system.
Reference:
PCM Connector
Reference:
HG1 - HG3:
HG4 - HG6:
HG7 - HG8:
HG9 - HG10:
