Test results 1 COMPONENT CONCERNED ELECTRICAL CONNECTIONS CHECK OK (NO FAULTS DETECTED) FAULT DETECTED OPERATION Temperature sensor at particulate filter inlet Check that the electrical connections are not defective Go to Step 2 Electrical connections faulty Restore the correct connections 2 COMPONENT CONCERNED TEMPERATURE SENSOR AT DPF INPUT OPERATION CHECK OK (NO FAULTS DETECTED) FAULT DETECTED OPERATION Temperature sensor at particulate filter inlet Check that the temperature sensor at the DPF input is working correctly End of diagnosis Temperature sensor incorrectly calibrated Replace the temperature sensor Op. 1080B83 EXHAUST GAS TEMPERATURE SENSOR ON PARTICULATE FILTER (D.P.F.) - R.R.