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DTC P1217 ENGINE OVER TEMPERATURE EC-437 < SERVICE INFORMATION > [VQ35DE] C D E F G H I J K L M A EC N P O DTC P1217 ENGINE OVER TEMPERATURE Description INFOID:0000000001326291 SYSTEM DESCRIPTION NOTE: U1000, U1001. Refer to • If DTC P1217 is displayed with DTC U1010, first performed the trouble diagnosis for DTC U1010. Refer to Cooling Fan Control *1: The ECM determines the start signal status by the signals of engine speed and battery voltage. *2: This signal is sent to ECM through CAN communication line. The ECM controls the cooling fan corresponding to the vehicle speed, engine coolant temperature, refrigerant Cooling Fan Operation Cooling Fan Relay Operation The ECM controls cooling fan relays in the IPDM E/R through CAN communication line. Sensor Input Signal to ECM ECM function Actuator Crankshaft position sensor (POS) Engine speed* 1 Cooling fan IPDM E/R Battery Battery voltage* 1 Wheel sensor Vehicle speed* 2 Engine coolant temperature sensor Engine coolant temperature Air conditioner switch Air conditioner ON signal* 2 Refrigerant pressure sensor Refrigerant pressure PBIB3369E |