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Home › Porsche › 2004 › Cayenne Base › Repair and Diagnosis › Engine Performance › System › OBD (II) - P0354 - P1096 › P0686 › ECM/PCM Power Relay Control Circuit Low › Affected terminals

Affected terminals

DME control module connector A, pins 23 and 3

NOTE:
  • NO CLASSIC OUTPUT-STAGE DIAGNOSIS!!
  • The diagnosis compares the voltage used to activate the main relay with the voltage after the relay is activated.
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