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MONITOR ITEM CONDITION SPECIFICATION
COOLING FAN
I After warming up engine, idle
the engine.
I Air conditioner switch: OFF
Engine coolant temperature is
94°C (201°F) or less
OFF
Engine coolant temperature is
between 95°C (203°F) and 99°C
(210°F)
LOW
Engine coolant temperature is
100°C (212°F) or more
HIGH
On Board Diagnosis Logic
NFEC1454
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 temperature condition, a malfunction is
indicated.
DTC No.
Trouble diagnosis
name
DTC Detecting Condition Possible Cause
P1217
1217
Engine over tempera-
ture
I Cooling fan does not operate properly (Over-
heat).
I Cooling fan system does not operate properly
(Overheat).
I Engine coolant was not added to the system
using the proper filling method.
I Harness or connectors (The cooling
fan circuit is open or shorted.)
I Cooling fan
I Radiator hose
I Radiator
I Radiator cap
I Water pump
I Thermostat
For more information, refer to “MAIN
12 CAUSES OF OVERHEATING”,
EC-549.
CAUTION:
When a malfunction is indicated, be sure to replace the coolant following the procedure in the MA-14,
“Changing Engine Coolant”. Also, replace the engine oil.
1) Fill radiator with coolant up to specified level with a filling speed of 2 liters per minute. Be sure
to use coolant with the proper mixture ratio. Refer to MA-12, “Anti-freeze Coolant Mixture Ratio”.
2) After refilling coolant, run engine to ensure that no water-flow noise is emitted.
GI
MA
EM
LC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P1217 ENGINE OVER TEMPERATURE
CONSULT-II Reference Value in Data Monitor Mode (Cont’d)
EC-533
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