Data Bus On Board Diagnostic Interface, Component Overview

General Information 

Data Bus On Board Diagnostic Interface J533 interlinks the various CAN bus systems in the vehicle.

For example, it transmits data from the engine control module system CAN bus) to the instrument cluster (instrument cluster CAN bus).

Fault finding is performed via "Guided Fault Finding".

1 - Multimedia Control Head E380

• In center console, front

2 - Front Information Display Control Head J685

• In center of instrument panel

3 - Front Information Display Control Head Control Module J523

• Behind glove compartment

4 - Instrument Cluster Control Module J285

• In instrument cluster
• On left of luggage compartment behind side trim

5 - Radio R

6 - Chip Card Reader Control Module J676

• In glove compartment

7 - Media Player, Position 1 R118

• In glove compartment

8 - Digital Radio (DAB) R147

• On left of luggage compartment behind side trim

9 - TV Tuner R78

• On left of luggage compartment behind side trim

10 - Navigation System with CD Drive Control Module J401

• On left of luggage compartment behind side trim

11 - Digital Sound System Control Module J525

• On left of luggage compartment behind side trim

12 - Telephone/Telematics Control Module J526 and/or Telephone Transceiver R36

• Beneath floor carpet in drivers footwell

13 - Multifunction Steering Wheel

14 - Steering Column Electronic Systems Control Module J527

• On steering column

15 - Data Bus On Board Diagnostic Interface J533

• Gateway
• Behind glove compartment