KTM 1190 RC8 R EU/UK 2009 Repair Manual page 301

ENGINE CONTROL TROUBLE CODE
Throttle position sensor circuit B - check the power supply
–
Measure the voltage between the specified points.
Throttle position sensor circuit B, connector AM pin 2 – Measuring point Ground (−)
Voltage
» If the specifications have not been met:
–
Check connector AM pin 2 and connector CP (
–
Check the cable from connector AM pin 2 to connector CP (
–
Check connector CQ (
–
Check the cable from connector CQ (
» If the specifications have been met:
–
Check the next possible cause:
Throttle position sensor circuit B - the signal wire has a short circuit to ground (terminal 31) (
Throttle position sensor circuit B - the signal wire has a short circuit to ground (terminal 31)
Condition
The ignition is off.
The EFI control unit is disconnected. (
The break out box is connected to the wiring harness.
Throttle position sensor circuit B is disconnected. (
Throttle position sensor circuit B - check the signal wire for a short circuit to ground (terminal 31)
–
Measure the resistance between the specified points.
Break Out Box AO pin 2 – Measuring point Ground (−)
Resistance
» If the specifications have not been met:
–
Check the cable from EFI control unit connector AO (
ground (terminal 31).
–
Check the cable from connector CP (
nal 31).
» If the specifications have been met:
–
Check the next possible cause:
Throttle position sensor circuit B - the signal wire has a short circuit to sensor ground (
400582-10
p. 398) pin 2.14.
p. 398) pin 14 and EFI control unit connector AO (
p. 398) pin 14 to EFI control unit connector AO (
p. 227)
p. 223)
600850-11
p. 398) pin 2.10 to connector AM (
400658-10
4.9... 5.1 V
p. 398) pin 2.14 for opens.
p. 392) pin 1.
400658-10
∞ Ω
p. 392) pin 2 to connector CQ (
p. 392) pin 1 for a short circuit to ground (termi-
p. 392) pin 1 for opens.
p. 299)
p. 398) pin 10 for a short circuit to
p. 300)
299