Diagnosis - Automatic Transmission: Description: Diagnostics
A diagnostic socket allows the exchange of information between the EAT ECU and TestBook/T4. The diagnostic socket is located behind the center console, in the passenger footwell. See Fig 1 .
The diagnostic socket is connected to the EAT ECU on an ISO 9141 K Line. The system uses a "P" code diagnostic strategy and can record faults relating to gearbox operation. The codes can be retrieved using TestBook/T4 or any diagnostic tool using Keyword 2000 protocol.