Malfunction | Probable cause | Remedy |
| The engine does not run at a temperature below 50 ?° C | Loose connection in the plug or damage to the wire | Repair or replace the wiring |
| Damage to the coolant temperature sensor | Replace the sensor |
| Damage to the glow plug | Replace the glow plug |
| Damage to the control unit preheating | Check the control unit and, if necessary, replace it |
| After the first outbreak of the motor stops or unstable idling at a temperature below 50 ?° C | Loose connection in the plug or damage to the wire | Repair or replace the wiring |
| Damage to the glow plug | Replace the glow plug |
| Damage to the glow plug relay | Replace the glow plug relay |
| Damage to the control unit preheating | Check the control unit and, if necessary, replace it |
| Off indicator lamp yellow | The lamp | Replace lamp |
| Loose connection in the plug or damage to the wire | Repair or replace the wiring |
| Short circuit wiring | Repair or replace the wiring |
| Damage to the control unit preheating | Check the control unit and, if necessary, replace it |