Expedition 2WD V8-281 4.6L SOHC (1998)
Driver/Vehicle Information Display: Initial Inspection and Diagnostic Overview
1. Verify the customer concern.
2. Visually inspect for obvious signs of mechanical and electrical damage; refer to the Visual Inspection Chart.
VISUAL INSPECTION CHART
Mechanical
^
Damaged overhead trip computer
^
Damaged Vehicle Speed Sensor (VSS)
^
Damaged compass sensor module or loose mounting
^
Damaged Powertrain Control Module (PCM)
Electrical
^
Blown fuse:
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Fuse 2 (5A)
-
Fuse 6 (5A)
^
Damaged wiring harness
^
Loose or corroded connections
3. If the fault is not visually evident, perform the Message Center Self-Test. See: Component Tests and General Diagnostics/Message Center
Self-Test
