KTM 1190 RC8 R EU/UK 2009 Repair Manual page 351

ENGINE CONTROL TROUBLE CODE
Ambient air pressure sensor - the signal wire has a short circuit to ground (terminal 31)
Condition
The ignition is off.
The EFI control unit is disconnected. (
The ambient air pressure sensor is disconnected. (
Ambient air pressure sensor - check the signal wire for a short circuit to ground (terminal 31)
–
Measure the resistance between the specified points.
Ambient air pressure sensor connector DP pin 3 – Measuring point Ground (−)
Resistance
» If the specifications have not been met:
–
Check the cable from connector DP pin 3 to EFI control unit connector AO (
minal 31).
» If the specifications have been met:
–
Check the next possible cause:
Ambient air pressure sensor - the power supply is interrupted (
Ambient air pressure sensor - the power supply is interrupted
Condition
The ignition is on.
EFI control unit is connected. (
The ambient air pressure sensor is disconnected. (
Ambient air pressure sensor - check the power supply
–
Measure the voltage between the specified points.
Ambient air pressure sensor connector DP pin 1 – Measuring point Ground (−)
Voltage
Ambient air pressure sensor - check the signal wire for a short circuit to sensor ground
–
Measure the resistance between the specified points.
Ambient air pressure sensor connector DP pin 2 – Ambient air pressure sen-
sor connector DP pin 3
Resistance
» If the specifications have not been met:
–
Check the cable from connector DP pin 3 to the EFI control unit connector AO
( p. 392) pin 23 for a short circuit to sensor ground.
» If the specifications have been met:
400590-10
–
Check the next possible cause:
Ambient air pressure sensor - the signal wire has a short circuit to ground (ter-
minal 31) (
p. 227)
p. 225)
400590-10
p. 227)
p. 225)
400590-10
∞ Ω
p. 349)
400658-10
∞ Ω
p. 392) pin 23 for a short circuit to ground (ter-
p. 349)
400658-10
4.9... 5.1 V
349