Cylinder-#1 Ignition Coil - Yamaha R1 Series 2015 Service Manual

Fault code No.
Item
1 The vehicle has overturned.
2 Installed condition of IMU.
3 Defective IMU.
4 Malfunction in ECU.
Fault code No. 33
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Actuation
Procedure
Item Probable cause of
malfunction and check
1 Connection of cylinder-#1 igni-
tion coil 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).
30
Latch up detected.
Raise the vehicle upright.
Check the installed direction
and condition of the sensor.
Check the grommet for cracks.
Execute the diagnostic mode.
(Code No. 17)
Check that 0–5 is displayed
when the vehicle is vertical and
that the displayed value
increases as the vehicle contin-
ues to incline.
Replace if defective.
Replace the ECU.
Refer to "REPLACING THE
ECU (Engine Control Unit)" on
page 8-180.
33
Cylinder-#1 ignition coil: open or short circuit detected in the pri-
mary lead of the cylinder-#1 ignition coil.
Able to start engine (depending on the number of faulty cylinders)
Able to drive vehicle (depending on the number of faulty cylinders)
30
Actuates the cylinder-#1 ignition coil five times at one-second intervals.
Illuminates the engine trouble and system warning light.
Check that a spark is generated five times.
• Connect an ignition checker.
Maintenance job
Improperly connected
nect the coupler securely or
replace the wire harness.
8-72
FUEL INJECTION SYSTEM
Turn the main switch to "ON",
then to "OFF", and then back to
"ON".
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 2.
Turn the main switch to "ON",
then to "OFF", and then back to
"ON".
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 3.
Turn the main switch to "ON",
then to "OFF", and then back to
"ON".
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 4.
Confirmation of service com-
Con- Start the engine and let it idle for
approximately 5 seconds.
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 2.
pletion