Inspection Of Components: Tachometer

Connect the scan tool to the diagnostic link connector or install a tachometer.
With the engine started, compare the readings of the tester with that of the tachometer. Replace the tachometer if the tolerance is exceeded.

Fig 1: Tachometer Tolerance Chart
Courtesy of KIA MOTORS AMERICA, INC.

Fig 2: Illustrating Tachometer Face
Courtesy of KIA MOTORS AMERICA, INC.