KTM 1190 RC8 R EU/UK 2009 Repair Manual page 286

ENGINE CONTROL TROUBLE CODE
Lambda sensor cylinder 2 - 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.
Lambda sensor for cylinder 2 is disconnected. (
Lambda sensor cylinder 2 - check the signal wire for a short circuit to ground (terminal 31).
–
Measure the resistance between the specified points.
Break Out Box AO pin 12 – Measuring point Ground (−)
Resistance
» If the specifications have not been met:
–
Check the cable from EFI control unit connector AO (
ground (terminal 31).
» If the specifications have been met:
–
Check the next possible cause:
Lambda sensor cylinder 2 - the signal wire has a short circuit to sensor ground (
Lambda sensor cylinder 2 - the signal wire has a short circuit to sensor ground
Lambda sensor cylinder 2 - check the voltage
–
Measure the voltage between the specified points.
Lambda sensor connector CE‑CA pin 3 – Lambda sensor connector CE‑CA
pin 4
Lambda sensor
Lambda sensor cylinder 2 voltage
"HEGO2AD"
» If the specifications have not been met:
–
400686-10 Change the lambda sensor cylinder 2.
» If the specifications have been met:
–
Check the next possible cause:
Lambda sensor cylinder 2 - the signal wire has a short circuit to ground (termi-
nal 31) (
p. 227)
p. 62)
600850-11
Condition
The ignition is off.
The EFI control unit is disconnected. (
The break out box is connected to the wiring harness.
Lambda sensor for cylinder 2 is disconnected. (
Lambda sensor cylinder 2 - check the signal wire for a short circuit to sensor ground.
–
Measure the resistance between the specified points.
Break Out Box AO pin 12 – Break Out Box AO pin 7
Resistance
» If the specifications have not been met:
–
Check the cable from EFI control unit connector AO (
nector CA (
» If the specifications have been met:
600850-11
–
Check the next possible cause:
Lambda sensor cylinder 2 - the signal wire has a short circuit to plus (termi-
nal 30) (
0.2... 0.8 V
p. 284)
400658-10
∞ Ω
p. 392) pin 12 to connector CA (
p. 284)
p. 227)
∞ Ω
p. 396) pin 4 for a short circuit to sensor ground.
p. 285)
p. 396) pin 4 for a short circuit to
p. 62)
p. 392) pin 12 to con-
284