On Board Diagnostic (OBD), 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 and perform OBD program functions using VAS 5051/5052 tester in mode "Guided Fault Finding".

VAS 5051/5052 connected and 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" "Go to" button
• Select: "Function / Component Selection"
• Select: "Body (Repair 01; 27; 50 - 97)"
• Select: "Electrical Equipment (Repair 01; 90 - 97)"

• Select: "01 - On Board Diagnostic (OBD) capable systems"
• Select: "Instrument Cluster"
• Select appropriate option
• Follow tester prompts.