)
- 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.
- 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.
Standard values:
- 700 r/min: ±100 r/min
- 2,000 r/min: ±100 r/min
- 3,000 r/min: ±150 r/min
- 4,000 r/min: ±200 r/min
- 5,000 r/min: ±250 r/min
- 6,250 r/min: ±150 r/min