Repair Procedures: Inspection: Tachometer

2014 Hyundai Genesis 3.8SECTION Tachometer
  1. Connect the scan tool to the diagnostic link connector or install a tachometer.
  2. With the engine started, compare the readings of the tester with that of the tachometer. Replace the tachometer if the tolerance is exceeded.
    CAUTION:
    1. Reversing the connections of the tachometer will damage the transistor and diodes inside.
    2. When removing or installing the tachometer, be careful not to drop it or subject it to severe shock.
    TACHOMETER READINGS [GASOLINE]

    Revolution (rpm)  1, 000 2, 000 3, 000 4, 000
    Tolerance (rpm)  ±100 ±100 ±100 ±100
    Revolution (rpm)  5, 000 6, 000 7, 000 8, 000
    Tolerance (rpm)  ±100 ±100 ±100 ±100
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.