Engine Control Module: Testing and Inspection

Diagnosis of CAN-Timeout 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-Timeout