Symptom Chart

Condition	Possible Sources	Action
The display is locked in one position	Compass and ambient air temperature display Vehicle magnetization Compass calibration	Go to Pinpoint Test A .
The compass is inaccurate/inoperative	Fuse Circuitry Compass zone setting Compass calibration Vehicle magnetization Compass and ambient air temperature display Headlamp switch	Go to Pinpoint Test A .
The display is inoperative	Circuitry Compass and ambient air temperature display Headlamp switch	Go to Pinpoint Test A .
The outside air temperature is inaccurate/inoperative	Fuse Circuitry Compass display Ambient air temperature sensor	Go to Pinpoint Test B .