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Preparation For Tests (Section 22)

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NOTE: When exchanging an ETS/SPS control module, the replacement module must have the code data entered via the HHT. Follow instructions on the HHT.
  1. Turn ignition OFF.
  2. Disconnect ASR/SPS or ETS/SPS control module (N47-1 or N47-2).
  3. Connect socket box (126 pole) with test cables as shown in illustration. See Fig 1.
Fig 1: Identifying Connection Diagram
G00280146Courtesy of MERCEDES-BENZ OF NORTH AMERICA.