184002391 - E8010 DESCRIPTION OF MULTIPLE DIAGNOSTIC CONNECTOR

Description

The car is fitted with numerous electronic control units that perform a self-diagnostic function.When a diagnostic tester (Examiner or other device) is connected to these control units, self-diagnosis data can be read (parameters, errors) or the available active diagnostic tests can be carried out.All the diagnostic lines flow into the EOBD connector (European On Board Diagnosis) which conforms with Directive 98/69/CE (EURO 3) - ISO standard J1962 in the Body Computer connector C of M1.The same connector is responsible for connecting nodes (control units) connected to the low transmission speed B-CAN network, while control units, while control units connected to the C-CAN network are tested by means of a specific K line.

The following are checked via the B-CAN line:

  • junction unit under the dashboard
  • Instrument panel;
  • door control units;
  • radio controls on the steering wheel
  • radio uint;
  • climate control sytem control unit;
  • Air Bag control unit;
  • Parking sensor control unit
For more details    See E1050 CAN CONNECTION LINES

The following are monitored via individual diagnostic K lines:

  • engine control unit (and robotised gearbox control unit, if present)
  • ABS control unit;
  • Electric steering control unit