| | Test results |
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|
| Check that the coolant fluid level is correct | Move on to Step 1 | Coolant level not correct | Top up to the correct level. |
| 1 | WATER TEMPERATURE SENSOR CHECKS | All OK | Problems encountered | Operation |
|---|
| Check that the water temperature sensor is working properly by carrying out the See Test 1060OE ENGINE COOLANT TEMPERATURE SENSOR OPERATION CHECK | Move on to Step 2 | Water temperature sensor incorrectly adjusted | Replace the water temperature sensor Op. 1060G14 ENGINE COOLANT TEMPERATURE SENSOR - R.R. |
| 2 | COOLING SYSTEM CHECK | All OK | Problems encountered | Operation |
|---|
| Check that there are no air bubbles in the cooling systemCheck that the thermostat is working properly | End of diagnosis | 1.Bleed the cooling system2. Thermostat defective (remains permanently open) | 1.Bleed the cooling system2.Replace the thermostat Op. 1088C30 THERMOSTAT UNIT - R+R |