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Home >> Mitsubishi >> 2012 >> RVR ES >> Repair and Diagnosis >> Electrical >> Gauges >> Combination Meter >> On-Vehicle Service >> Speedometer Check

Speedometer Check

CAUTION:
  • Since the diagnostic trouble code may be stored in the ASC-ECU when checking the speedometer with speedometer tester, erase the diagnostic trouble code.
  • Do not accelerate or decelerate suddenly during servicing work.
  1. Adjust the pressure of tires to the specified level (Refer to ON-VEHICLE SERVICE .
  2. Where applicable, ensure that the TPMS warning light is not illuminating or flashing.
  3. Press the ASC OFF switch for 3 seconds or more to stop the ASC operation.
    CAUTION: Set a free-roller on the rear tire for AWD.
  4. For FWD vehicles, set the vehicle onto a speedometer tester and use wheel chocks to hold the rear wheels.
    Fig 1: Checking Speedometer (FWD)
    G05434256Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  5. For AWD vehicles, set the vehicle onto a speedometer tester and place the rear wheels on a free roller.
    Fig 2: Checking Speedometer (AWD)
    G05434257Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  6. To prevent the front wheel from moving from side to side, attach tension bars to the tie-down hook, and secure both ends to anchor plates.
  7. To prevent the vehicle from moving, attach a chain or wire to the rear retraction hook, and make sure the end of the chain or wire is secured.
  8. Check if the speedometer indication tolerance is within the standard values.

    Standard value < Except vehicles for CANADA >: 

    Fig 3: Identifying Tension Bars And Anchor Plates
    G05385252Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    SPEEDOMETER CHECK - EXCEPT VEHICLES FOR CANADA

    Standard indication {mph (km/h)} Indication tolerance {mph (km/h)}
    10 (16) 8.5 - 11.5 (13.6 - 18.4)
    25 (40) 23.5 - 26.5 (37.6 - 42.4)
    50 (80) 48.5 - 51.5 (77.6 - 82.4)
    75 (120) 73.5 - 76.5 (117.6 - 122.4)
    100 (161) 98.5 - 102.5 (158.6 - 165.0)

    Standard value < Vehicles for CANADA >: 

    SPEEDOMETER CHECK - VEHICLES FOR CANADA

    standard indication {km/h (mph)} Indication tolerance {km/h (mph)}
    20 (12.4) 19 - 24 (11.8 - 14.9)
    40 (24.8) 40 - 44 (24.8 - 27.3)
    80 (49.7) 80 - 85 (49.7 - 52.8)
    120 (74.6) 120.5 - 125.5 (74.9 - 78.0)
    160 (99.4) 160.5 - 165.5 (99.7 - 102.8)
  9. If not within the standard value, check the tire size. If an incorrect size of tire is used, replace it and check again. If the tire size is correct, a defect may be present in components and circuit between the ASC and the combination meter. Check the following items.
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