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 directed here by a driveability symptom. This test is only intended to diagnose:
- Shift Indicator Light (SIL) Bulb & Instrument Cluster
- METER Fuse & VPWR Circuit To Instrument Cluster
- Wiring Harness Circuit; (SIL)
- Powertrain Control Module (PCM)