KTM 1190 RC8 R EU/UK 2009 Repair Manual page 328

ENGINE CONTROL TROUBLE CODE
Motor drive circuit A phase B - the signal wire has an open
Motor drive circuit A phase A - 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.
Motor drive circuit A phase A - check the signal wire for opens
–
Measure the resistance between the specified points.
Break out box CO pin 7 – Break out box CO pin 23
Motor drive circuit A
Phase A at: 20 °C (68 °F)
» If the specifications have not been met:
–
Check EFI control unit connector CO (
( p. 398) pin 12.
600850-12
–
Check the cable from EFI control unit connector CO (
nector CQ (
–
Check EFI control unit connector CO (
( p. 398) pin 16.
–
Check the cable from EFI control unit connector CO (
nector CQ (
–
Disconnect connector CQ (
cable from EFI control unit connector CO (
mutual short circuit.
» If the specifications have been met:
–
Check the next possible cause:
Motor drive circuit A phase B - the signal wire has an open (
Condition
The ignition is off.
The EFI control unit is disconnected. (
The break out box is connected to the wiring harness.
Connector CP is connected. (
Motor drive circuit A phase B - check the signal wire for opens
–
Measure the resistance between the specified points.
Break out box CO pin 3 – Break out box CO pin 11
Motor drive circuit A
Phase B at: 20 °C (68 °F)
» If the specifications have not been met:
–
Check EFI control unit connector CO (
p. 398) pin 4.
(
600850-12
–
Check the cable from EFI control unit connector CO (
nector CQ (
–
Check EFI control unit connector CO (
( p. 398) pin 8.
–
Check the cable from EFI control unit connector CO (
nector CQ (
–
Disconnect connector CQ (
cable from EFI control unit connector CO (
mutual short circuit.
» If the specifications have been met:
–
Check the next possible cause:
Motor drive circuit A phase A - the signal wire has a short circuit to ground (ter-
minal 31) (
p. 227)
7.11... 8.68 Ω
p. 397) pin 7 and connector CQ
p. 398) pin 12 for opens.
p. 397) pin 23 and connector CQ
p. 398) pin 16 for opens.
p. 398) from the throttle valve body. Check the
p. 227)
p. 398)
7.11... 8.68 Ω
p. 397) pin 3 and connector CQ
p. 398) pin 4 for opens.
p. 397) pin 11 and connector CQ
p. 398) pin 8 for opens.
p. 398) from the throttle valve body. Check the
p. 326)
p. 397) pin 7 to con-
p. 397) pin 23 to con-
p. 392) pin 7 to pin 23 for a
p. 326)
p. 397) pin 3 to con-
p. 397) pin 11 to con-
p. 397) pin 3 to pin 11 for a
326