HUSABERG FE 450 AUS, Repair Manual

Page: 172 / 285

FAULT CODE
170
Flash code FI warning
lamp (MIL)
09 FI warning lamp ( MIL ) flashes 9x short
Display on diagnostic tool P0108
"Manifold absolute pressure sensor cylinder 1"
"Input signal too high"
Error level condition
Manifold absolute pressure sensor voltage
"PM1AD"
:
≥
4.121 V
Time:
≥
3 s
Function check Manifold absolute pressure sensor - checking the voltage ( p. 170)
Possible cause Manifold absolute pressure sensor - signal line is open ( p. 170)
Manifold absolute pressure sensor - ground line is open ( p. 171)
Manifold absolute pressure sensor - signal line has a short circuit to plus (terminal 30)
( p. 171)
Manifold absolute pressure sensor - signal line has a short circuit to ignition plus (terminal 15)
( p. 172)
Manifold absolute pressure sensor - signal line has a short circuit to the sensor power supply
( p. 172)
Manifold absolute pressure sensor - checking the voltage
Condition
The diagnostic tool is connected and active.
The engine is not running.
–
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 "Manifold absolute pressure sensor cylinder 1 voltage (PM1AD)" and deselect the other parameters with
"Select measured value" .
Manifold absolute pressure sensor voltage "PM1AD"
at: 800 mbar (11.6 psi) 2.31 V
at: 850 mbar (12.33 psi) 2.45 V
at: 900 mbar (13.05 psi) 2.58 V
at: 1,000 mbar (14.5 psi) 2.86 V
at: 1,050 mbar (15.23 psi) 2.99 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 above the setpoint value:
–
Check the next possible cause:
Manifold absolute pressure sensor - signal line is open (
p. 170)
Manifold absolute pressure sensor - signal line is open
Condition
Th e diagnostic tool is disconnected.
The EFI control unit is disconnected.
The breakout box is connected to the wiring harness.
The manifold absolute pressure sensor is disconnected.