DTC Detection Logic

NOTE:

If DTC P1217 is displayed with DTC UXXXX, perform the trouble diagnosis for DTC UXXXX.
If DTC P1217 is displayed with DTC P0607, perform the trouble diagnosis for DTC P0607. Refer to DTC Description .
If DTC P1217 is displayed with DTC P0527, perform the trouble diagnosis for DTC P0527. Refer to DTC Description .

If the cooling fan or any of other components in the cooling system has a malfunction, engine coolant temperature increases.

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	Engine over temperature (Overheat)	Cooling fan does not operate properly (Overheat). Cooling fan system does not operate properly (Overheat). Engine coolant is not within the specified quantity.	Harness or connectors (The cooling fan circuit is open or shorted.) IPDM E/R Electrically-controlled cooling fan coupling Cooling fan speed sensor Radiator hose Radiator Reservoir tank cap Water pump Multi-way control valve

CAUTION: When a malfunction is indicated, always replace the coolant. Refer to ENGINE COOLANT : Draining . and refer to ENGINE COOLANT : Refilling . Also, replace the engine oil. Refer to ENGINE OIL : Draining . and Refer to ENGINE OIL : Refilling .

Fill radiator with coolant up to specified level with a filling speed of 2 liters per minute. Always use coolant with the proper mixture ratio. Refer to MAINTENANCE : Recommended Fluid and Lubricants .
After refilling coolant, run engine to ensure that no water-flow noise is emitted.