Idle Speed Control (ISC) System Tests (Section 25)

WARNING: This page is about a different car, the 1996 Mercedes-Benz C220, 1995 Mercedes-Benz C220, and 1994 Mercedes-Benz C220. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: For aid using diagnostic charts, see USING DIAGNOSTIC CHARTS .

Fig 1: Idle Speed Control (ISC) Tests - Section 25 (Steps 1.0-2.1)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Idle Speed Control (ISC) Tests - Section 25 (Steps 3.0-3.1)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Idle Speed Control (ISC) Tests - Section 25 (Steps 4.0-7.0)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 4: Idle Speed Control (ISC) Tests - Section 25 (Steps 8.0-11.0)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.