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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> Electrical >> Instrument Panel System Displays And Gauges >> Description and Operation >> Compass Calibration and Magnetic Variance >> Compass Magnetic Variation Adjustment

Compass Magnetic Variation Adjustment

Magnetic variation adjustments are required when the compass displays a constant error in heading. Variation is the difference between magnetic north and true north due to geographical location.

    Fig 1: World Magnetic Variation Map
    GM384280Courtesy of GENERAL MOTORS CORP.
  1. Locate your current geographic location on the World Magnetic Variation Map.
  2. Turn ON the ignition, with the engine OFF.
  3. Press and hold the right map light button on the mirror until a zone number appears on the compass display.
  4. Release and press the right map light button again until the desired zone number appears.
  5. Release and wait 3 seconds. The display will return to a compass heading. The variance procedure is now complete.
  6. Calibrate the compass. Refer to Compass Calibration .
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