Ground, Power & Input/Output Circuits

Testing information is not available from manufacturer. See WIRING DIAGRAMS article to identify DME/Motronic control unit ground circuits, power circuits and input/output circuits. See Fig 1 - Fig 5 . See DME PCM CONTROL UNIT LOCATION  table.

Fig 1: Identifying PCM 88-Pin Connector (E36)

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Fig 2: Identifying PCM 9-Pin Connector (E46)

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Fig 3: Identifying PCM 24-Pin Connector (E46)

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Fig 4: Identifying PCM 52-Pin Connector (E46)

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Fig 5: Identifying PCM 40-Pin Connector (E46)

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