Design And Development Of Oem Independent Remote
Vehicle Diagnostic System
Student Team/ Author :
Prashant P. Gudi
Guide By :
Z. Tracy Austina and V. Deepak
Degree :
Usage of embedded systems in vehicles has enhanced the safety and comfort in modern day vehicles. The advent of OBD
I and OBD II in the automotive industry have enhanced vehicle diagnostics further reducing the vehicle emissions and
improving fuel efficiency. At times, when the vehicles are not in the vicinity of technicians, remote assistance is required
for diagnostics. The remote diagnostics services that are available currently are OEM dependent .So there is an imminent
need for an OEM independent Remote diagnostics along with OBDII.
In the present project a cost effective, easy to use real time, OEM independent Remote Vehicle Diagnostic System is
developed. This system is capable of retrieving the DTCs, live sensor data and other diagnostic related parameters from
the remote vehicle. The developed Remote Vehicle Diagnostic (RVD) System consists of various sub systems namely
GSM communication unit, GPS unit and STN1110 based OBDII to UART interpreter chip which are integrated with LPC
1768 ARM Cortex M3 based controller. The vehicle can establish communication with the Remote Dia
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