KTM 1190 RC8 R EU/UK 2009 Repair Manual page 357

ENGINE CONTROL TROUBLE CODE
Blink code EFI warning
lamp (MIL)
Display on diagnostic tool
Error level condition
Function check
Possible cause
Last measure if none of the doc-
umented causes leads to elimi-
nation of the fault
Checking the fuel pump relay
Condition
The ignition is on.
The diagnostic tool is connected and running.
–
Select the model.
–
Select "ECU Diagnosis".
–
Mark the "Engine management EFI LC8 RC8" control unit.
–
Press "Continue".
–
Select "Actuator Test".
–
"Please enter the password:"
–
Press "Continue".
–
Select "Fuel pump relay function test".
–
Press "Continue".
–
In the KTM diagnostics tool, read the information page and start the actuator test with "Continue".
Fuel pump
» If the specifications have been met:
–
Delete trouble code.
–
Take a test ride.
–
Read out the trouble code memory using the KTM diagnostics tool.
» The specifications have not been met:
–
Check the next possible cause:
Fuel pump relay - value not plausible (
Fuel pump relay - value not plausible
41 EFI warning lamp (MIL) flashes 4x long, 1x short
P1231
"Fuel pump relay"
"Short circuit to ground or open circuit"
Circuit fault.
The engine is switched off: ≥ 3 s
Checking the fuel pump relay (
Fuel pump relay - value not plausible (
Fuel pump relay - the control wire has an open (
Fuel pump relay - there is an open in the power supply (
Fuel pump relay - the control wire has a short circuit to ground (terminal 31) (
Fuel pump relay - the control wire has a short circuit to sensor ground (
–
Contact customer service.
p. 355)
Condition
The ignition is off.
The fuel pump relay is disconnected. (
Fuel pump relay - check the resistance
–
Measure the resistance between the specified points.
Fuel pump relay pin 1 – Fuel pump relay pin 2
Fuel pump relay
Resistance at: 20 °C (68 °F)
» If the specifications have not been met:
–
Replace the fuel pump relay.
» If the specifications have been met:
600852-10
p. 355)
p. 355)
p. 356)
p. 356)
Operating noise
p. 404)
72... 88 Ω
355
p. 357)
p. 357)