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Home >> Mercedes Benz >> 1992 >> 400E >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Base Module >> Self-Diagnostic System >> Diagnostic Trouble Code Memory (Section 11) >> Test Preparation For DTC Readout
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Test Preparation For DTC Readout

  1. Connect impulse counter scan tool and adapter or HHT to data link connector (X11/4).
  2. Connect Yellow wire from impulse counter scan tool as follows:

    1. Socket 8

      Base Module - BM (N16/1)
    2. Socket 6

      ABS or ASR control module (N30 or N30/1) or ASR/SPS control module (N47-1) or ESP/SPS control module (N47-5)
    3. Socket 12

      SPS control module (N49/1)
    4. Socket 11

      ADS control module (N51)
    5. Socket 4

      EDS control module (N39), LH-SFI or Right LH-SFI control module (N3/1 or N3/3), ME-SFI right engine control module (N3/10 or N3/12)
    6. Socket 5

      Left LH-SFI control module (N3/2) or ME-SFI left engine control module (N3/11)
  3. Turn ignition ON.
  4. Read DTC memory (as applicable) for appropriately connected BM, ASR, ASR/SPS, ESP/SPS. ME-SFI, ADS, LH-SFI control modules.
Fig 1: Identifying Special Tools
G00222905Courtesy of MERCEDES-BENZ OF NORTH AMERICA.