Information Bus: Testing and Inspection

On Board Diagnostic, Function
The Data Bus On Board Diagnostic Interface -J533- is controlled by an internal microprocessor with On Board Diagnostic (OBD) capability. If malfunctions occur in monitored sensors and components, Diagnostic Trouble Codes (DTC) will be stored in memory.

Troubleshoot -J533- malfunctions by performing OBD program. Use VAS 5051 Vehicle Diagnostic Testing and Information System in mode "Guided Fault Finding".

VAS 5051 in mode "Guided Fault Finding":
- Enter appropriate model, equipment and model year information and press ">" to confirm.

After the DTC memory of all control modules has been checked:
- Press "Go to" button
- Select "Function/Component Selection"
- Select: "Body (Repair Group 01; 27; 50 to 97)"
- Select: "Electrical System (Repair Group 01; 27; 90 to 97)"
- Select: "01 - On Board Diagnostic (OBD) capable systems"
- Select: "19 - Gateway"
- Select: appropriate option
- Follow tester prompts