KTM 1190 RC8 R EU/UK 2009 Repair Manual page 272

ENGINE CONTROL TROUBLE CODE
Engine coolant temperature sensor cylinder 1 - the signal wire has a short circuit to the sensor power supply
Engine coolant temperature sensor cylinder 1 - 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.
Engine coolant temperature sensor for cylinder 1 is disconnected. (
Engine coolant temperature sensor cylinder 1 - check the signal wire for opens
–
Measure the resistance between the specified points.
Break Out Box AO pin 9 – Engine coolant temperature sensor cylinder 1 connector AX pin 2
Resistance
» If the specifications have not been met:
–
Check EFI control unit connector AO (
–
Check the cable from EFI control unit connector AO (
» If the specifications have been met:
Engine coolant temperature sensor cylinder 1 - check the signal wire for a short circuit to
ignition plus (terminal 15)
–
Measure the resistance between the specified points.
Break Out Box AO pin 9 – Break Out Box AO pin 20
Resistance
» If the specifications have not been met:
–
Check the cable from EFI control unit connector AO (
nector AX (
600850-11
» If the specifications have been met:
–
Check the next possible cause:
Engine coolant temperature sensor cylinder 1 - the signal wire has a short cir-
cuit to the sensor power supply (
Condition
The ignition is off.
The EFI control unit is disconnected. (
The break out box is connected to the wiring harness.
Engine coolant temperature sensor for cylinder 1 is disconnected. (
Engine coolant temperature sensor cylinder 1 - check the signal wire for a short circuit to the
sensor power supply
–
Measure the resistance between the specified points.
Break Out Box AO pin 9 – Break Out Box AO pin 1
Resistance
» If the specifications have not been met:
–
Check the cable from EFI control unit connector AO (
nector AX (
600850-11
» If the specifications have been met:
–
Check the next possible cause:
Engine coolant temperature sensor cylinder 1 - the signal wire has an open
( p. 270)
p. 227)
600850-11
p. 392) pin 9 and connector AX pin 2.
∞ Ω
p. 395) pin 2 for a short circuit to ignition plus (terminal 15).
p. 270)
p. 227)
∞ Ω
p. 395) pin 2 for a short circuit to the sensor power supply.
p. 198)
400586-10
≤ 0.6 Ω
p. 392) pin 9 to connector AX pin 2 for opens.
270
p. 392) pin 9 to con-
p. 198)
p. 392) pin 9 to con-