Initial Inspection and Diagnostic Overview

On Board Diagnostic, Function
The instrument cluster 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 instrument cluster malfunctions by performing OBD program. Use VAS 5051 Vehicle Diagnostic Testing and Information System 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 - Systems capable of self-diagnosis
- Select: "Dash panel insert" (instrument cluster)
- Select: appropriate option
- Follow tester prompts