2005 Toyota Yaris D4D engine with light on but functioning without pb.
Elevator installation of the application on android tablet CARISTA and connection OBD2 ELM327 OBD-II Bluetooth V1.5 module in the connector located under the dashboard.
Ignition on without the need to start, just let it completely lit dashboard so that the computer is on.
Carista detected the error code P0380 in the car calculator, it concerns the pre-glow plugs of the diesel engine.
Candles and change new scan then click the button RESET OBD2, the error code disappears and engine light goes out.
2006 Citroen C3 hdi light on engine emission control system product failures.
Carista detected the error code P0002, clears to see if the defect reappears.
Cheaper than a suitcase blow to the garage.