KTM 1190 RC8 R EU/UK 2009 Repair Manual page 387

ENGINE CONTROL TROUBLE CODE
–
Check the cable from EFI control unit connector CO (
» If the specifications have been met:
–
Check the next possible cause:
Diagnostics connector - the CAN-low wire has an open (
Diagnostics connector - the CAN-low wire has an open
Condition
The ignition is off.
The diagnostics tool is disconnected.
The EFI control unit is disconnected. (
The break out box is connected to the wiring harness.
The CAN bus terminating resistor is disconnected. (
The immobilizer control unit is disconnected. (
The instrument panel is disconnected.
Diagnostics connector - check the CAN-low wire for opens
–
Measure the resistance between the specified points.
Break out box CO pin 20 – Diagnostic connection plug AP pin 3
Resistance
» If the specifications have not been met:
–
Check EFI control unit connector CO (
–
Check the cable from EFI control unit connector CO (
» If the specifications have been met:
–
Check the next possible cause:
CAN-high - the signal wire has a short circuit to plus (terminal 30) (
CAN-high - the signal wire has a short circuit to plus (terminal 30)
Condition
The ignition is off.
The diagnostics tool is disconnected.
The EFI control unit is disconnected. (
The break out box is connected to the wiring harness.
The CAN bus terminating resistor is disconnected. (
The immobilizer control unit is disconnected. (
The instrument panel is disconnected.
CAN-high - check the signal wire for a short circuit to plus (terminal 30)
–
Measure the voltage between the specified points.
Break out box CO pin 19 – Measuring point Ground (−)
Voltage
p. 227)
p. 404)
p. 102)
600850-12
p. 397) pin 20 and connector AP pin 3.
p. 227)
p. 404)
p. 102)
600850-12
p. 397) pin 19 to connector AP pin 2 for opens.
p. 385)
400583-10
≤ 0.9 Ω
p. 397) pin 20 to connector AP pin 3 for opens.
p. 385)
400658-10
≤ 0.1 V
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