Note:
- The idle speed is not adjustable.
- The M-MDS tool is used to check the idle speed.
1. Prepare for engine parameter checks.
2. Make sure that the difference between the nominal (M-MDS: «ARPMDES») and valid (M-MDS: «RPM») engine speed at idle does not exceed 50 rpm. If deviations from the norm are detected, it is necessary to perform a more detailed diagnosis and eliminate the malfunction.
Note: Rated idle speed:
A) Mechanical transmission:
- Normal: 750 rpm
- With automatic particle filter regeneration: 775 rpm
- When learning fuel injectors: 775 rpm
B) Automatic transmission:
- Normal: 800 rpm
- With automatic particle filter regeneration: 800 rpm
- When learning fuel injectors: 775 rpm