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Manufacturer-specific points |
We are currently aware of the following points regarding EOBD / OBD-II fault diagnosis:AudiCertain models of the Audi A4 and A6 do not appear to have sufficient clearance around the EOBD / OBD-II connector to allow connection of most tools. This appears to be a manufacturing design fault on these cars.FordA large number of European Ford cars have been found to support EOBD / OBD-II diagnostics back to approximately 1997. Most petrol Ford cars with the EEC-V engine management system are EOBD / OBD-II compliant.JaguarA large number of European Jaguar cars have been found to support EOBD / OBD-II diagnostics back to approximately 1998, however they do not generally work well with EOBD / OBD-II handheld code readers.We recommend PC-based or Jaguar-specific tools for reliable trouble-free diagnostics. Peugeot / Citroen / Renault / VauxhallWhilst a 16-pin connector was present on some Peugeot / Citroen / Renault / Vauxhall cars before January 2001, it appears that they did not support EOBD / OBD-II diagnostics until January 2001. The wiring of the earlier connector, or the software protocols in use do not appear to be EOBD / OBD-II compliant.Rover and MGA large number of Rover and MG cars do not seem to have the Signal Ground pin (pin 5) connected on the diagnostic socket. Diagnostic tools that rely on pin 5 as a circuit ground do not power-up correctly on these cars.All the tools we currently stock have pins 4 & 5 deliberately shorted together to combat this issue. VolkswagenCertain models of the VW Passat do not appear to have sufficient clearance around the EOBD / OBD-II connector to allow connection of most tools. This appears to be a manufacturing design fault on these cars. |
