On Board Diagnostic (OBD), Function

On Board Diagnostic (OBD), Function

The telephone/telematics system has extensive On Board Diagnostic (OBD) capabilities.

Telephone/Telematics Control Module J526 has a Diagnostic Trouble Code (DTC) memory. If a malfunction occurs in one of the components or wires which is monitored by the system, a record of the type of malfunction is stored in DTC memory.

Troubleshoot telephone/telematics system malfunctions and code or adapt system functions by performing OBD program using Vehicle Diagnosis, Testing and Information System VAS 5051/5052 in operating 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" button
- Select: "Function / Component Selection"
- Select: "Body"
- Select: "Electrical Equipment"
- Select: "01 - On Board Diagnostic (OBD) capable systems"
- Select: "75 - Telematics USA"
- Select: appropriate option
- Follow tester prompts.