FixVault

Tachometer Check

WARNING: This page is about a different variant/trim than selected.

When the actuator tests (item No. 2) are performed using scan tool MB991958, check that the tachometer indication tolerance is within the standard value.

NOTE: Values in () indicates the reference value.

Standard value: 

ENGINE SPEED CHART

Engine speed (r/min) Indication tolerance (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)