NO. 17 Cooling System Concerns-overheating: Notes
NO. 17 COOLING SYSTEM CONCERNS-OVERHEATING (SKYACTIV-G 2.5 - WITH CYLINDER DEACTIVATION) DESCRIPTION AND POSSIBLE CAUSE
| 17 |
COOLING SYSTEM CONCERNS-OVERHEATING |
| DESCRIPTION |
- The engine coolant temperature is abnormally high.
|
| POSSIBLE CAUSE |
- Engine heat generation amount is excessive
- Engine speed is high and remains high for continuous long periods
- PCM DTC is stored
- Improper operation of A/C system
- Insufficient air blow volume
- Cooling fan inoperative
- Fan rotation speed decreases (such as generator malfunction) due to battery voltage decrease
- Cooling system cap malfunction
- Cooling fan motor assembly malfunction
- Cooling fan motor connector malfunction
- Improper indication of low engine coolant temperature indicator light and/or high engine coolant temperature warning light
- ECT sensor malfunction
- Instrument cluster malfunction
- Blown fuse
- Engine coolant system malfunction
- Engine coolant performance deterioration
- Coolant leakage (engine internal, external)
- Improper water/anti-freeze mixture
- Coolant control valve malfunction
- Radiator malfunction (clogging)
- Improper engine coolant level
- Leakage around heater unit in passenger compartment
- Drive belt damage
|
CAUTION:
- Verify the malfunction symptom according to not only the PID value but also the symptom troubleshooting.