Cylinder Identification Sensor: No Normal Signals Received - Yamaha R1 Series 2015 Service Manual

Fault code No.
Item
6 Malfunction in ECU.
Fault code No. 11
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Item Probable cause of
malfunction and check
1 Connection of cylinder identifi-
cation sensor coupler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
2 Connection of wire harness
ECU coupler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
3 Wire harness continuity.
4 Installed condition of cylinder
identification sensor.
Check for looseness or pinch-
ing.
8
Gear position sensor: open or short circuit detected.
Replace the ECU.
Refer to "REPLACING THE
ECU (Engine Control Unit)" on
page 8-180.
11
Cylinder identification sensor: no normal signals are received from
the cylinder identification sensor.
Unable to start engine
Able to drive vehicle
—
—
—
Maintenance job
Improperly connected
nect the coupler securely or
replace the wire harness.
Improperly connected
nect the coupler securely or
replace the wire harness.
Open or short circuit
the wire harness.
Between cylinder identification
sensor coupler and ECU cou-
pler.
white/black–white/black
blue–blue
Between cylinder identification
sensor coupler and joint con-
nector.
black/blue–black/blue
Between joint connector and
ECU coupler.
black/blue–black/blue
Improperly installed sensor
Reinstall or replace the sensor.
8-55
FUEL INJECTION SYSTEM
Confirmation of service com-
Con- Crank the engine.
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 2.
Con- Crank the engine.
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 3.
Replace Crank the engine.
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 4.
Crank the engine.
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 5.
pletion