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Home >> Mitsubishi >> 2014 >> RVR ES >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Combination Meter - With Diagnostics >> 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: Identifying Wheel Chocks
    G09671898Courtesy 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: Identifying Free Roller (Rear Wheel)
    G09671899Courtesy 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.
    Fig 3: Attaching Tension Bars To Tie-Down Hook
    G09671900Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    SPEEDOMETER INDICATION SPECIFICATION (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)
    SPEEDOMETER INDICATION SPECIFICATION (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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