HUSABERG FE 450 EU Repair Manual page 183

FAULT CODE
Flash code FI warning
lamp (MIL)
Display on diagnostic tool
Error level condition
Function check
Possible cause
Coolant temperature sensor cylinder 1 - checking the voltage
Condition
The diagnostic tool is connected and active.
–
Select the model type.
–
Select "ECU Diagnostic".
–
Highlight the "Engine electronics EXC" control unit.
–
Press "Continue".
–
Select "Measurement values".
–
Highlight "Mixture preparation, general".
–
Press "Continue".
–
Highlight the measured value "Coolant temperature sensor cylinder 1 voltage (TWAD)" and deselect the other parameters with "Select
measured value".
Coolant temperature sensor cylinder 1 voltage "TWAD"
» If the displayed value is equal to the setpoint value:
–
Delete the fault code.
–
Make a test ride.
–
Read out the fault code.
» If the displayed value is above the setpoint value:
–
Check the next possible cause:
Coolant temperature sensor - value not plausible (
Coolant temperature sensor - value not plausible
12 FI warning lamp (MIL) flashes 1x long, 2x short
P0118
"Coolant temperature sensor"
"Input signal too high"
Coolant temperature sensor cylinder 1 voltage "TWAD": ≥ 4.785 V
Time: ≥ 3 s
Coolant temperature sensor cylinder 1 - checking the voltage (
Coolant temperature sensor - value not plausible (
Coolant temperature sensor - signal line has a short circuit to plus (terminal 30) (
Coolant temperature sensor - signal line has a short circuit to ignition plus (terminal 15)
( p. 182)
Coolant temperature sensor - signal line has a short circuit to the sensor power supply (
Coolant temperature sensor - signal line is open (
Coolant temperature sensor - ground line is open (
Condition
Th e diagnostic tool is disconnected.
Coolant temperature sensor is disconnected.
Coolant temperature sensor - check the resistance
–
Measure the resistance between the specified points.
Coolant temperature sensor Pin 1 – Coolant temperature sensor Pin 2
Coolant temperature sensor
Resistance at: −30 °C (−22 °F)
Resistance at: −20 °C (−4 °F)
Resistance at: −10 °C (14 °F)
Resistance at: 0 °C (32 °F)
400599-10
Resistance at: 10 °C (50 °F)
Resistance at: 20 °C (68 °F)
Resistance at: 30 °C (86 °F)
Resistance at: 40 °C (104 °F)
Resistance at: 50 °C (122 °F)
p. 181)
p. 183)
p. 183)
0.138... 4.784 V
p. 181)
22.86... 27.94 kΩ
13.50... 16.50 kΩ
8.24... 10.08 kΩ
5.17... 6.31 kΩ
3.33... 4.07 kΩ
2.21... 2.70 kΩ
1.49... 1.83 kΩ
1.04... 1.27 kΩ
730... 892 Ω
p. 181)
p. 182)
p. 183)
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