| STEP | CHECK TO BE PERFORMED | REMEDIAL ACTION IF THE CHECK IS NOT OK |
|---|
| 1 | Valid for 1.4 16v versionSensor wiring check- Check the continuity of the wiring between the sensor and the engine control unit
Move on to Step 2 | Restore the wiring between the engine control unit and the sensorReplace the engine management control unit Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R |
| 1 | Valid for 1.9 JTD 8v/16v versionCheck the continuity of the wiring between the sensor and the engine control unitMove on to Step 2 | Restore the wiring between the engine control unit and the sensorReplace the engine management control unit Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - R.R |
| 2 | Valid for 1.4 16v versionCheck on operation of temperature sensor- Disconnect the negative battery lead
- Remove the sensor and submerge the sensitive part in water.
- Heat the water gradually and measure the resistance between the terminals.
- Check that the sensor specifications correspond to the ones below.
| Replace the water temperature sensor Op. 1056B50 ENGINE COOLANT TEMPERATURE SENSOR - R + R |
| 2 | 1.9 JTD 8v/16v Disconnect the negative battery lead- Remove the sensor and submerge the sensitive part in water.
- Heat the water gradually and measure the resistance between the terminals.
- Check that the sensor specifications correspond to the ones below.
| Replace the water temperature sensor Op. 1060G14 ENGINE COOLANT TEMPERATURE SENSOR - R.R. |
