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Home >> Mercedes Benz >> 1995 >> E420 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Diagnostic Module >> System Tests >> Preparation For Tests (Section 22)
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Preparation For Tests (Section 22)

  1. Turn ignition OFF.
  2. Remove diagnostic module (N59).
  3. Connect socket box with test cable. See Fig 1 and Fig 2 .
  4. NOTE: This step only pertains to test steps 1.2-1.3 and 2.1-2.2.
  5. With ignition Off, remove base module (N16/1) and connect socket box with contact module 1 and contact box. See Fig 1 and Fig 2 .
Fig 1: Identifying Special Tools
G00222839Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 2: Connecting Socket Box To Control Module
G00222840Courtesy of MERCEDES-BENZ OF NORTH AMERICA.