HUSABERG FE 450 AUS, Repair Manual

Page: 193 / 285

FAULT CODE
191
Flash code FI warning
lamp (MIL)
17 FI warning lamp ( MIL ) flashes 1x long, 7x short
Display on diagnostic tool P0130
"Lambda sensor cylinder 1, sensor 1"
"Malfunction in the circuit"
Error level condition
Malfunction in the circuit:
≥
60 s
Function check Lambda sensor - checking the voltage ( p. 191)
Possible cause Lambda sensor - signal line has a short circuit to ground (terminal 31) ( p. 191)
Lambda sensor - signal line has a short circuit to sensor ground ( p. 192)
Lambda sensor - signal line has a short circuit to plus (terminal 30) ( p. 192)
Lambda sensor - signal line has a short circuit to ignition plus (terminal 15) ( p. 193)
Lambda sensor - signal line has a short circuit to the sensor power supply ( p. 193)
Lambda sensor - signal line is open ( p. 193)
Lambda probe - ground line is open ( p. 194)
Lambda sensor - checking the voltage
Condition
The diagnostic tool is connected and active.
The engine is running at idle speed.
The engine is at normal operating temperature.
–
Select the model type.
–
Select "ECU Diagnostic" .
–
Highlight the "Engine electronics EXC" control unit.
–
Press "Continue" .
–
Select "Measurement values" .
–
Highlight "Lambda control" .
–
Press "Continue" .
–
Highlight the measured value "Lambda sensor cylinder 1 voltage (HEGO1AD)" and deselect the other parameters with "Select mea-
sured value" .
Lambda sensor
Voltage "Hego1AD" 0.2… 0.8 V
» 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 not equal to the setpoint value:
–
Check the next possible cause:
Lambda sensor - signal line has a short circuit to ground (terminal 31) (
p. 191)
Lambda sensor - signal line has a short circuit to ground (terminal 31)
Condition
Th e diagnostic tool is disconnected.
The EFI control unit is disconnected.
The breakout box is connected to the wiring harness.
Lambda sensor is disconnected.