Diagnostic Aids
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2003 Mercury Sable, 2003 Mercury Mountaineer, 2003 Mercury Marauder, 2003 Mercury Grand Marquis, and 2003 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
Perform this test only when instructed during QUICK TEST or if directed by other test procedures. This test is only intended to diagnose the following:
- Supercharger (Boost) By-Pass Solenoid (Service Part Name Is: Thermactor Air Control Solenoid/Vacuum Valve Assembly)
- Vacuum Reservoir Assembly. See Fig 1.
- Vacuum Hoses/Tubes
- Wiring Harness Circuits (SCB, PWR GND & VPWR)
- Powertrain Control Module (PCM)
- Supercharger Assembly (Including Supercharger By-Pass Actuator)