Pinpoint Test HM: Secondary Air Injection (Air) System: Introduction: Notes
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2006 Mercury Mountaineer, 2006 Mercury Monterey, 2006 Mercury Montego, 2006 Mercury Milan, and 2006 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
This pinpoint test is intended to diagnose the following:
- secondary air injection system relay (14B192)
- electric air injection pump (9A486)
- secondary air injection bypass solenoid (9H465)
- harness circuits: B+, VPWR, AIR, AIRM, ground
- powertrain control module (PCM) (12A650)
- secondary air injection diverter valve (9F491)
- vacuum supply
- hoses
- partial restricted exhaust
Refer to the appropriate SYSTEM WIRING DIAGRAMS for schematic and connector information.