Pinpoint Test B: The Compass Is Inaccurate

WARNING: This page is about a different car, the 2010 Mercury Milan, 2010 Lincoln MKZ, and 2010 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

NOTE: Always set the zone and calibrate the compass before replacing an inaccurate compass.

B1 CHECK THE COMPASS ACCURACY

Position the vehicle and observe the compass display as follows:

COMPASS DISPLAY REFERENCE TABLE

Direction	Compass Display
North	N
Northeast	NE
East	E
Southeast	SE
South	S
Southwest	SW
West	W
Northwest	NW

Does the compass display as indicated?

Yes: The compass is OK. The concern may have been caused by an incorrect zone setting, or the compass was out of calibration.
No: INSTALL a new compass module. REFER to AUTO-DIMMING INTERIOR MIRROR . SET the zone. REFER to COMPASS ZONE ADJUSTMENT . CALIBRATE the compass. REFER to COMPASS CALIBRATION . TEST the system for normal operation.