KTM 1190 RC8 R EU/UK 2009 Repair Manual page 338

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 circuit B of the motor drive
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 "Motor drive circuit B".
–
Press "Continue".
–
In the KTM diagnostics tool, read the information page and start the actuator test with "Continue".
Throttle position sensor circuit B
Voltage "TAPAD"
» If the specifications have been met:
–
Delete trouble code.
–
Take a test ride.
50 EFI warning lamp (MIL) flashes 5x long
P0638
"Throttle position sensor actuator circuit B"
"Circuit fault"
Difference between calculated "2nd throttle target angle (STHTRG)" and actual "2nd throttle current
angle (2ndTHAngle)"
Intake air temperature sensor "TA": > 1 °C (> 34 °F)
≥ 25.5 s
Difference between calculated "2nd throttle target angle (STHTRG)" and actual "2nd throttle current
angle (2ndTHAngle)"
Intake air temperature sensor "TA": ≤ 1 °C (≤ 34 °F)
Engine coolant temperature sensor "TW": > 1 °C (> 34 °F)
≥ 25.5 s
Checking circuit B of the motor drive (
Motor drive circuit B phase A - value not plausible (
Motor drive circuit B phase B - value not plausible (
Motor drive circuit B phase A - the signal wire has an open (
Motor drive circuit B phase B - the signal wire has an open (
Motor drive circuit B phase A - the signal wire has a short circuit to ground (terminal 31)
( p. 339)
Motor drive circuit B phase B - the signal wire has a short circuit to ground (terminal 31)
( p. 339)
Motor drive circuit B phase A - the signal wire has a short circuit to sensor ground (
Motor drive circuit B phase B - the signal wire has a short circuit to sensor ground (
Motor drive circuit B phase A - the signal wire has a short circuit to plus (terminal 30) (
Motor drive circuit B phase B - the signal wire has a short circuit to plus (terminal 30) (
Motor drive circuit B phase A - the signal wire has a short circuit to ignition plus (terminal 15)
( p. 342)
Motor drive circuit B phase B - the signal wire has a short circuit to ignition plus (terminal 15)
( p. 342)
–
Contact customer service.
p. 336)
p. 337)
p. 337)
p. 338)
p. 338)
0.156... 4.824 V
336
p. 340)
p. 340)
p. 341)
p. 341)