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HOMESERVICE MANUALSMAZDA20105 SPORT, 2.3 L, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 388 (INSTRUMENTATION/DRIVER INFO)INSTRUMENT CLUSTER INSPECTIONSPEEDOMETERUSING A SPEEDOMETER TESTER
2010 Mazda 5 Sport, 2.3 L, Standard

Using a speedometer tester

2010 Mazda 5 Sport, 2.3 L, StandardSECTION Using a speedometer tester
WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Adjust the tire air pressure to the specification.
  2. Using a speedometer tester, verify that the speedometer indication is within the allowable ranges shown below.
    INSTRUMENT CLUSTER REFERENCE CHART

    Speedometer tester indication (km/h) Allowable range (km/h)
    20 18-22
    40 38-42
    60 58-62
    80 78-82
    100 98-102
    120 117-123
    140 137-143
    SPEEDOMETER TESTER INDICATION DESCRIPTION

    Speedometer tester indication (mph) Allowable range (mph)
    10 9-11
    20 19-21
    30 29-31
    40 39-41
    50 49-51
    60 59-61
    70 69-71
    80 78-82
  3. Verify that fluctuation of the speedometer needle is within the allowable range.
    • If the speedometer needle does not move or the indication is outside of the allowable range, inspect the PCM, ABS HU/CM (vehicles with ABS), VSS (vehicles without ABS) and related wiring harnesses.
    • If the PCM, ABS HU/CM (vehicles with ABS), VSS (vehicles without ABS) and related wiring harnesses are normal, replace the instrument cluster.

    Needle fluctuation allowable range 

    Within 3.0 km/h 

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.