mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Electronic Idle Speed Control Test|Page 3759 > < Electronic Idle Speed Control Test|Page 3757
Page 1
background image

Idle Speed: Testing and Inspection
Idle Speed Air Valve

Test Data

Special Tools

Equipment

-

Multimeter -- e.g. SUN DMM-5

-

Engine analyzer -- SUN EMT-1019/Master 3 or MCM-2110, All-Test 3610-MB

NOTE:  The idle speed control is independent of the air flow sensor position indicator. Run engine at operating temperature, selector lever in
position "P" or "N", A/C compressor turned off and air intake system tight. Idle speed contact, coolant temperature sensor and EGR system is
functioning properly.

Electronic Idle Speed Control Test|Page 3759 > < Electronic Idle Speed Control Test|Page 3757