Tachometer Check
When the actuator tests (item No. 2) are performed using scan tool MB991958, check that the tachometer indication error is within the standard value.
NOTE:
Values in () indicates the reference value.
Standard value:
TACHOMETER INDICATION ERROR REFERENCE CHART
| Engine speed r/min | Tachometer indicating error r/min |
|---|---|
| 600 | 550 - 650 |
| (2, 000) | (1, 950 - 2, 050) |
| 3, 000 | 2, 950 - 3, 050 |
| (4, 000) | (3, 950 - 4, 050) |
| 5, 000 | 4, 950 - 5, 050 |
| 6, 000 | 5, 950 - 6, 050 |
| (7, 000) | (6, 950 - 7, 050) |
| (8, 000) | (7, 950 - 8, 050) |