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Pinpoint Test N: The Compass Is Inaccurate: Overview

WARNING: This page is about a different car, the 2004 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.

Test Step 

  1. N1 CHECK THE COMPASS ZONE ADJUSTMENT 
    • Carry out the compass zone adjustment procedure. REFER to COMPASS ZONE ADJUSTMENT .
    • Is the compass zone set correctly? 

    Result / Action to Take 

    1. Yes  : GO to N2.
    2. No  : INSTALL a new rear view mirror. REFER to EXTERIOR TRIM .TEST the system for normal operation.
  2. N2 CALIBRATE THE COMPASS 
    • Carry out the compass calibration adjustment procedure. REFER to COMPASS CALIBRATION .
    • Does the compass calibrate correctly? 
    1. Yes  : GO to  N4.
    2. No  : GO to N3.
  3. N3 DEMAGNETIZE THE VEHICLE 
    1. Yes  :GO to N4.
    2. No  : INSTALL a new rear view mirror. REFER to EXTERIOR TRIM . TEST the system for normal operation.
  4. N4 CHECK THE VEHICLE ACCURACY 
    • Position the vehicle and observe the compass display as follows:
      COMPASS DISPLAY CHART

      Direction Compass Display
      North N
      Northeast NE
      East E
      Southeast SE
      South S
      Southwest SE
      West W
      Northwest NW
    • Does the compass calibrate correctly? 
    1. Yes  : The compass is operating correctly.
    2. No  : INSTALL a new rear view mirror. REFER to EXTERIOR TRIM TEST the system for normal operation.
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