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MONITOR ITEM CONDITION SPECIFICATION COOLING FAN I After warming up engine, idle I Air conditioner switch: OFF Engine coolant temperature is OFF Engine coolant temperature is LOW Engine coolant temperature is HIGH ECM Terminals and Reference Value NCEC0487 Specification data are reference values and are measured between each terminal and ground. CAUTION: Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam- TERMI- NAL NO. WIRE COLOR ITEM CONDITION DATA (DC Voltage) 12 LG Cooling fan relay (High) [Engine is running] I Cooling fan is not operating BATTERY VOLTAGE [Engine is running] I Cooling fan (High) is operating 0 - 0.6V 13 L/Y Cooling fan relay (Low) [Engine is running] I Cooling fan is not operating BATTERY VOLTAGE [Engine is running] I Cooling fan is operating 0 - 0.6V On Board Diagnosis Logic NCEC0488 If the cooling fan or another component in the cooling system malfunctions, engine coolant temperature will Diagnostic Trouble Code No. Malfunction is detected when ... Check Items (Possible Cause) P1217 I Cooling fan does not operate properly (Overheat). I Cooling fan system does not operate properly (Over- I Engine coolant was not added to the system using the I Harness or connectors I Cooling fan I Radiator hose I Radiator I Radiator cap I Water pump I Thermostat For more information, refer to “MAIN 12 CAUSES CAUTION: When a malfunction is indicated, be sure to replace the coolant. Refer to MA-14, “Changing Engine 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 (OVERHEAT) CONSULT-II Reference Value in Data Monitor Mode (Cont’d) EC-463 |