User Manual - Page 1320

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EC-1320
[YD (WITHOUT EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE
DTC P0217 ENGINE OVER TEMPERATURE PFP:21481
System Description EBS01205
COOLING FAN CONTROL
*: These signals are sent to the ECM through CAN communication line.
The ECM controls the cooling fan corresponding to the vehicle speed, engine coolant temperature, air condi-
tioner ON signal. The control system has 3-step control [HIGH/LOW/OFF].
OPERATION
CONSULT-II Reference Value in Data Monitor Mode EBS01206
Specification data are reference values.
ECM Terminals and Reference Value EBS01207
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-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
Sensor Input signal to ECM ECM function Actuator
Vehicle speed sensor* Vehicle speed
Cooling fan
control
Cooling fan relayEngine coolant temperature sensor Engine coolant temperature
Air conditioner switch* Air conditioner ON signal
SEF421Z
MONITOR ITEM CONDITION SPECIFICATION
COOLING FAN
When cooling fan is stopped. OFF
When cooling fans operate at low speed. LOW
When cooling fans operate at high speed. HI
TERMI-
NAL
NO.
WIRE
COLOR
ITEM CONDITION
DATA
(DC Voltage and Pulse Signal)
34 LG/B Cooling fan relay (High)
[Engine is running]
Cooling fan is not operating
Cooling fan is operating at low speed
BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
Cooling fan is operating at high speed
Approximately 0.1V
36 LG Cooling fan relay (Low)
[Engine is running]
Cooling fan is not operating
Cooling fan is operating at high speed
BATTERY VOLTAGE
(11 - 14V)
[Engine is running]
Cooling fan is operating at low speed
Approximately 0.1V
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