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DTC P1217 ENGINE OVER TEMPERATURE
EC-355
[QR (WITH EURO-OBD)]
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DTC P1217 ENGINE OVER TEMPERATURE PFP:00000
System Description BBS001HB
COOLING FAN CONTROL
*1: This signal is sent to ECM through CAN communication line.
*2: ECM determines the start signal status by the signals of engine speed and battery voltage.
The ECM controls the cooling fan corresponding to the vehicle speed, engine coolant temperature, refrigerant
pressure, and air conditioner ON signal. The control system has 3-step control [HIGH/LOW/OFF].
OPERATION
Sensor Input Signal to ECM ECM function Actuator
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE)
Engine speed*
2
Cooling fan
control
Cooling fan relay
Engine coolant temperature sensor Engine coolant temperature
Battery
Battery voltage*
2
Air conditioner switch Air conditioner ON signal
Refrigerant pressure sensor Refrigerant pressure
Wheel sensor
Vehicle speed*
1
PBIB1987E
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