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Home >> Porsche >> 2009 >> 911 Carrera (997) F6-3.6L >> Repair and Diagnosis >> Powertrain Management >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Testing and Inspection >> Flow of Diagnosis
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Flow of Diagnosis



Diagnosis of CAN - Time-out for vehicles with an Automatic Transmission:

A signal failure occur if the following conditions are fulfilled for a delay period from the end-of-start (see following chart):
- terminal voltage 15 is on
- battery voltage is greater than 8.97 Volts, and
- no CAN message from the automatic transmission control.

Diagnosis of CAN - Time-out





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