Diesel temperature check
- Make
- Fiat
- Model
- Croma Factory Service Manual
- Year
- 2005–2010
- Section
- Diesel injection system › Diesel temperature check
DIESEL TEMPERATURE CHECK
| CHECK TO BE PERFORMED | RESOLUTION IF THE CHECK IS NOT OK | |
|---|---|---|
| 1 | At operating temperature, with the engine idling, the reading should be between 10 and 120°C. The test may be said to be concluded | Move on to Step 2 |
| 2 | Press the START/STOP button and turn off the engine. Disconnect the cable loom connector from the temperature sensor and fuel heating resistance See K100 TEMPERATURE SENSOR AND HEATING RESISTANCE Press the START/STOP button. Measure the voltage between the sensor Pin 4 and Earth. Ensure is between 4.8 and 5.2 V. Go on to Step 4 | Move on to Step 3 |
| 3 | If faults are present, repair or if necessary replace the electrical wiring between the engine management control unit and the resistance See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT The test can be considered over | Replace the engine management control unit |
| 4 | Measure the voltage between Pins 3 and 4 of the sensor. Check it is between 4.8 and 5.2 V | Move on to Step 3 |
| 5 | Replace the diesel heating resistance and ensure the fault has disappeared Op. 1044D10 FUEL HEATER - R + R | Repair the original heater coil and replace the engine management control unit |
Parts & tools for this job For 2005 Fiat Croma
- PARTGlow plugsSearch: Fiat Croma 2005 glow plugs
- TOOLGlow plug socketSearch: glow plug socket
- TOOLDiesel compression testerSearch: diesel compression tester
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