E 150 V8-4.6L VIN W (2006)
Compass: Initial Inspection and Diagnostic Overview
Principles of Operation
PRINCIPLES OF OPERATION
Electronic Compass
The compass and ambient air display can be turned off and on by pressing the SELECT switch in the overhead console. The vehicle heading is
displayed as N, NE, E, SE, S, SW, W, or NW.
The ambient air can be displayed in Celsius or Fahrenheit by pressing the SELECT switch.
If the ambient air falls below 3.3°C (38°F), the display alternates from "ICE" to the ambient air temperature at a 2 second rate for 1 minute.
Inspection and Verification
INSPECTION AND VERIFICATION
1. Verify the customer concern.
Visual Inspection Chart
2. Visually inspect for obvious signs of mechanical and electrical damage.
3. If the cause is not visually evident, verify the symptom and GO to Symptom Chart. See: Symptom Related Diagnostic Procedures
