FixVault

Using a speedometer tester

  1. Adjust the tire pressure to the specification.
  2. Using a speedometer tester, verify that the tester reading is as indicated in the table below.
    Speedometer tester indication (km/h) Allowable range (km/h)
    20 17-23
    40 38-43
    60 57-63
    80 77-83
    100 97-103
    120 116-124
    140 136-144
    Speedometer tester indication (mph) Allowable range (mph)
    10 9-11
    20 19-21
    30 29-31
    40 39-41
    50 48-52
    60 58-62
    70 68-72
    80 78-82
  3. Verify that the speedometer reading is within the range indicated in the table.
    • If the speedometer does not move or the indication is not within the allowable range, inspect the PCM, TCM, and related wiring harnesses.
      • If the PCM, TCM, and related wiring harnesses are normal, replace the instrument cluster.