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On Board Diagnosis Logic
NGEC0904
If the cooling fan or another component in the cooling system
malfunctions, engine coolant temperature will rise. When the
engine coolant temperature reaches an abnormally high tempera-
ture condition, a malfunction is indicated.
Malfunction is detected when engine coolant temperature reaches
an abnormally high temperature.
CAUTION:
When a malfunction is indicated be sure to replace the
coolant, follow the procedure in “Changing Engine Coolant”,
“ENGINE MAINTENANCE”, MA-26. Also, replace the engine oil.
1) Fill radiator with coolant up to specified level with a fill-
ing speed of 2 liters per minute like pouring coolant by
kettle. Be sure to use coolant with the proper mixture
ratio. Refer to “Anti-freeze Coolant Mixture Ratio”, “REC-
OMMENDED FLUIDS AND LUBRICANTS”, MA-15.
2) After refilling coolant, run engine to ensure that no
water-flow noise is emitted.
POSSIBLE CAUSE
NGEC0904S01
쐌 Harness or connectors
(The cooling fan circuit is open or shorted.)
쐌 Cooling fan
쐌 Radiator hose
쐌 Radiator
쐌 Radiator cap
쐌 Water pump
쐌 Thermostat
For more information, refer to “MAIN 12 CAUSES OF
OVERHEATING”, EC-1062.
DTC P1217 ENGINE OVERTEMPERATURE (OVERHEAT)
(WITH ELECTRIC COOLING FAN)
VG33E
On Board Diagnosis Logic
EC-1052
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