Diagnostics of malfunctions of the liquid level indication system
Cause | Method of elimination | |
| The indicator light comes on when the engine is running and the coolant level is normal | The sensor is faulty | Check with an ohmmeter, replace if necessary. |
| Short circuit on the housing in the electrical line | Check the line according to the electrical circuit diagram. | |
| Indicator device is faulty | Replace. | |
| The control lamp does not flash when the ignition system is turned on | The light bulb is faulty | Disassemble and check. |
| Wire break | Check the electrical lines according to the electrical circuit diagram. | |
| Indicator device is faulty | Replace. | |
| The control lamp does not flash when the engine is running and the expansion tank is empty | The sensor is faulty | Check with an ohmmeter, replace if necessary. |
| Wire break | Check the electrical lines according to the electrical circuit diagram. | |