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Starters: Diagnosis BMW 7 series E65/E66 facelift

TROUBLE SHOOTING

Note. See TROUBLE SHOOTING article in GENERAL INFORMATION.

DIAGNOSIS

The following fault states can be detected

  1. Start request by CACM while engine is running.
  2. Sticking start-locking relay.
  3. Defective final stage of DME.
  4. Short circuit in activation wire.