Tachometer: Testing and Inspection

TACHOMETER CHECK




1. Attach an external high quality tachometer to the engine speed detection connector on the harness side (such as with a paper clip).

NOTE: For tachometer check, use an external high quality inductive tachometer.

Standard values:

2. Compare the readings of the vehicle tachometer and the external tachometer at every engine speed, and check if the variations are within the standard values.