4-AP 10002 Intellitronix (rev. 03/2018) www.intellitronix.com
mile. Chances are that you may not need to recalibrate your speedometer, unless you have
changed the original tire size or the rear end gear ratio.
Note: Do not attempt to recalibrate your speedometer until after it is working properly and you
have determined that the speed is incorrect. The calibration procedure will NOT correct a faulty
installation or improper wiring. If you attempt to recalibrate your speedometer without making
sure the speedometer is receiving pulses from the sending unit, the speedometer will display
‘Err’ and default back to the factory settings.
To calibrate:
1. Locate a measured mile where you can safely start and stop your vehicle. By running the
vehicle over this measured distance, the speedometer will learn the number of pulses outputted
by the speedometer sensor during a specific measured distance. It will then use this acquired
data to calibrate itself for accurate reading. There is a small recall push-button in the center of the
panel used to calibrate and read all of the data stored in the speedometer. After installing your
speedometer according to the wiring instructions, when the ignition is on it should immediately
display the default screen of 0 MPH, if the vehicle is not moving.
NOTE: You will now need to drive your vehicle to the predetermined measured mile. During this
trip, the speedometer should read something other than 0 MPH. If it does not change, return and
locate the problem before continuing. Otherwise, proceed with the calibration.
2. Stop at the beginning of the measured mile with your vehicle running and in odometer mode
(NOT trip mode), press and hold the push-button until the odometer displays ‘HI-SP’. On its own,
the gauge will then cycle through the recorded performance in the following order: ‘0 – 60’, ‘1/4’,
‘ODO’, and ‘CAL’.
3. While ’CAL’ is displayed, quickly tap the push-button once. This will put the speedometer in
Program Mode. If you did not tap while ‘CAL’ is displayed, the pulses per mile will be displayed
on the odometer and the display will go back to MPH mode. Otherwise, you will now see ‘CAL’
displayed along with the number ‘0’. This indicates that the microprocessor is now ready for
calibration.
4. When you are ready, begin driving on the metered mile. You will notice that the reading will
start counting up. The odometer will begin to display the incoming pulse count. Drive the vehicle
through the measured mile (speed is not important, only the distance traveled).
5. At the end of the mile, stop and press the push-button again. The odometer will now display
the new number of speedometer pulses that were registered over the distance. The odometer will
continue to display the pulse reading for a few seconds. Once it reverts to the default mode, you
have successfully calibrated your speedometer.
Warning: If, while in ‘CAL’ mode, you do not move the vehicle but press the button again,
the microprocessor will NOT have received any data and the unit will display ‘Err’ and will
revert to the factory settings. At a minimum, drive some distance and return to the start if
necessary. If you miss stopping the display at ‘CAL’, simply repeat the steps.
Setting the Odometer
While scrolling through ‘CAL’ mode you will see ‘ODO’ appear. This will allow you to enter the
vehicle’s actual mileage. Press the trip button again at this point and you will enter the odometer
