Ignition Switch: Testing and Inspection
On Board Diagnostic (OBD), Function
The Access/Start Control Module J518 is controlled by an internal microprocessor with On Board Diagnostic (OBD) capability. If malfunctions occur in monitored components, Diagnostic Trouble Codes (DTC) will be stored in memory.
Troubleshoot Access/Start Authorization system malfunctions by performing OBD program using VAS 5051/5052 Tester in operating mode "Guided Fault Finding".