HUSABERG FE 450 EU Repair Manual page 210

FAULT CODE
Flash code FI warning
lamp (MIL)
Display on diagnostic tool
Error level condition
Function check
Possible cause
Checking the fuel pump relay
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 "actuator test".
–
"Please enter password:"
–
Press "Continue".
–
Select "Function fuel pump relay".
–
Press "Continue".
–
Read the information page in the HUSABERG diagnostic tool and, with "Continue", begin the actuator test.
Fuel pump
» If the specification is attained:
–
Delete the fault code.
–
Make a test ride.
–
Read out the fault code.
» If the specification is not attained:
–
Check the next possible cause:
Fuel pump - value not plausible (
Fuel pump - value not plausible
41 FI warning lamp (MIL) flashes 4x long, 1x short
P1231
"Fuel pump controller"
"Open/short circuit to ground"
Malfunction in the circuit.
The engine will be switched off: ≥ 3 s
Checking the fuel pump relay (
Fuel pump - value not plausible (
Fuel pump - control line is open (
Fuel pump - resistance of ground line is too high (
Fuel pump - control line has a short circuit to ground (terminal 31) (
Fuel pump - control line has a short circuit to sensor ground (
p. 208)
Condition
Th e diagnostic tool is disconnected.
Fuel pump is disconnected.
Fuel pump - check the resistance
–
Measure the resistance between the specified points.
Fuel pump Pin 1 – Fuel pump Pin 2
Fuel pump
Resistance at: 20 °C (68 °F)
» If the measured value does not correspond to the specified value:
–
Replace the fuel pump.
» If the measured value corresponds to the specified value:
400606-10
–
Check the next possible cause:
Fuel pump - control line is open (
p. 208)
p. 208)
p. 209)
p. 209)
Function noise
1.0... 1.8 Ω
p. 209)
p. 210)
p. 210)
208