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On Board Diagnosis Logic
NGEC1062
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 MA-26, “Changing Engine
Coolant”. 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 MA-15, “Anti-freeze Coolant Mixture Ratio”.
2) After refilling coolant, run engine to ensure that no
water-flow noise is emitted.
POSSIBLE CAUSE
NGEC1062S01
쐌 Cooling fan (Crankshaft driven)
쐌 Radiator hose
쐌 Radiator
쐌 Radiator cap
쐌 Water pump
쐌 Thermostat
For more information, refer to “MAIN 12 CAUSES OF
OVERHEATING”, EC-1067.
SEF621W
Overall Function Check
NGEC1063
Use this procedure to check the overall function of the cooling fan.
During this check, a DTC might not be confirmed.
WARNING:
Never remove the radiator cap when the engine is hot. Serious
burns could be caused by high pressure fluid escaping from
the radiator.
Wrap a thick cloth around cap. Carefully remove the cap by
turning it a quarter turn to allow built-up pressure to escape.
Then turn the cap all the way off.
With CONSULT-II
1) Check the coolant level in the reservoir tank and radiator.
Allow engine to cool before checking coolant level.
If the coolant level in the reservoir tank and/or radiator is below
the proper range, skip the following steps and go to “Diagnos-
tic Procedure”, EC-1064.
2) Confirm whether customer filled the coolant or not. If customer
filled the coolant, skip the following steps and go to “Diagnos-
tic Procedure”, EC-1064.
3) Start engine.
4) Make sure that cooling fan (crankshaft driven) operates.
5) If NG, go to “Diagnostic Procedure”, EC-1064.
DTC P1217 ENGINE OVERTEMPERATURE (OVERHEAT)
(WITHOUT ELECTRIC COOLING FAN)
VG33E
On Board Diagnosis Logic
EC-1063
GI
MA
EM
LC
FE
CL
MT
AT
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
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