crazywheelz thanks a bunch for your feedback but I am still unable to find the connector.
I removed the kickpanel and also took out the PCM unit and looked around but I was not able to find the connector. Following is the picture of the only connector that I found there.
The green rubber part is just a terminating end for 2 connectors which are not connected. I am talking about the green part in the following picture.
I have an OBD-2 scan tool which has a standard interface and I have used it before on various cars (e-class, GMC). The following picture can clarify the connector it has:
Any help in this regard from crazywheelz or other experts shall be highly appreciated. Moreover pics would also be of great help. Thanks.