Speedometer Check

CAUTION:

Be sure to set the rear wheels on the free roller. (The vehicle may dash forward or the drive train may be damaged). < AWD >
Since the DTC may be stored in the ASC-ECU when checking the speedometer with speedometer tester, erase the DTC.
Do not accelerate or decelerate suddenly during servicing work.

Adjust the pressure of tires to the specified level (Refer to ON-VEHICLE SERVICE ).
Where applicable, ensure that the TPMS warning light is not illuminating or flashing.
Press the ASC OFF switch for 3 seconds or more to stop the ASC operation < Vehicles with ASC >.
CAUTION: Set a free-roller on the rear tire for AWD.
Set the vehicle on the speedometer tester.
- Chock the rear wheels and apply the parking brake < FWD >.
  
  Fig 1: Checking Speedometer (FWD)
  Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
- Place the rear wheels on the free roller. < AWD >
  
  Fig 2: Checking Speedometer (AWD)
  Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
To prevent front wheel lateral runout or vehicle sudden start, attach a chain or wire to the front and rear towing hooks and fix the other end of the chain or wire to the anchor plate.

Check that the speedometer allowance range is within the standard value.

Fig 3: Checking Speedometer Allowance Range

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

STANDARD VALUE < EXCEPT VEHICLES FOR USA

STANDARD VALUE < VEHICLES FOR USA