trying to locate a diagnostic plug

Question:

I have a 1997 Renault Laguna 2.0 Petro and i have been trying to locate a diagnostic plug on my Laguna 2.0 Petro and cant find the plug anywhere, is there one in the vehicle . no. 3 injector not working. Can you tell me where it is ?

Answer:

Diagnostic plug should be located under left lower dash area at base of steering column.