FixVault

System Tests: Notes

WARNING: This page is about a different car, the 2000 Mercury Mountaineer, 2000 Ford Explorer, 1999 Mercury Mountaineer, and 1999 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.
SYMPTOM INDEX

Symptom Perform Test
No Communication With GEM/CTM A 
Ignition Switch Inoperative B 
No Power In ACC Position C 
No Power In RUN Position D 
No Power In START Position E