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Home >> Mercedes Benz >> 1992 >> 400E >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Base Module >> System Tests >> Preparation For Test (Section 22)
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Preparation For Test (Section 22)

  1. Turn ignition OFF. Disconnect base module (N16/1).
  2. Connect socket box with contact module 1 and contact box according to connection diagram. See Fig 1 and Fig 2 .
Fig 1: Identifying Special Tools
G00222909Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Fig 2: Connecting Socket Box To Control Module(Models 124, 129, 140.0 & 140.1)
G00222908Courtesy of MERCEDES-BENZ OF NORTH AMERICA.