This pinpoint test is intended to diagnose the following:
•
Compass zone setting
•
Compass calibration
•
Compass module (integral to the auto-dimming interior mirror)
PINPOINT TEST B: THE COMPASS IS INACCURATE
NOTICE:
Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.
Test Step Result / Action to Take
B1 CHECK THE COMPASS ACCURACY
• Set the zone. Refer to Compass Zone Adjustment in this section.
• Calibrate the compass. Refer to Compass Calibration in this section.
• Observe the compass display with the vehicle pointing in several
different directions, as follows:
Direction Compass Display
North N
Northeast NE
East E
Southeast SE
South S
Southwest SW
West W
Northwest NW
• Does the compass display correctly for each direction?
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 in Section 501-09. SET the
zone. REFER to Compass Zone Adjustment in this
section. CALIBRATE the compass. REFER to
Compass Calibration in this section. TEST the system
for normal operation.
419-11-10
Electronic Compass 419-11-10
DIAGNOSIS AND TESTING (Continued)
2011 Mustang, 2/2011
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