323001893 - 1056BC ENGINE COOLANT TEMPERATURE SENSOR OPERATION CHECK
| STEP | CHECK TO BE PERFORMED | REMEDIAL ACTION IF THE CHECK IS NOT OK |
|---|---|---|
| 1 | Sensor 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 management control unit and the sensor. Replace the engine management control unit. Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R |
| STEP | CHECK TO BE PERFORMED | REMEDIAL ACTION IF THE CHECK IS NOT OK |
|---|---|---|
| 2 | Check on operation of temperature sensor.Disconnect the negative battery cable.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 |
| Temperature (°C) | Resistance (Ohm) |
|---|---|
| -20 | 15971 |
| -10 | 9620 |
| 0 | 5975 |
| 10 | 3816 |
| 20 | 2502 |
| 25 | 2044 |
| 30 | 1679 |
| 40 | 1152 |
| 50 | 807 |
| 60 | 576 |
| 70 | 418 |
| 80 | 309 |
| 90 | 231 |
| 100 | 176 |