Cylinder-#4 Ignition Coil - Yamaha R1 Series 2015 Service Manual

Fault code No.
Item
Procedure
Item Probable cause of
malfunction and check
1 Connection of cylinder-#3 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).
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-#3
ignition coil.
Check for looseness or pinch-
ing.
5 Defective cylinder-#3 ignition
coil.
6 Malfunction in ECU.
Fault code No. 36
Fault code No.
Item
Fail-safe system
35
Cylinder-#3 ignition coil: open or short circuit detected in the pri-
mary lead of the cylinder-#3 ignition coil.
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.
Improperly connected
nect the coupler securely or
replace the wire harness.
Open or short circuit
the wire harness.
Between cylinder-#3 ignition coil
coupler and ECU coupler.
orange/green–orange/green
Improperly installed ignition coil
Reinstall or replace the igni-
tion coil.
Measure the primary coil resis-
tance of the cylinder-#3 ignition
coil.
Replace if out of specification.
Refer to "CHECKING THE
IGNITION COILS" on page
8-186.
Execute the diagnostic mode.
(Code No. 32)
No spark Replace the ECU.
Refer to "REPLACING THE
ECU (Engine Control Unit)" on
page 8-180.
36
Cylinder-#4 ignition coil: open or short circuit detected in the pri-
mary lead of the cylinder-#4 ignition coil.
Able to start engine (depending on the number of faulty cylinders)
Able to drive vehicle (depending on the number of faulty cylinders)
8-75
FUEL INJECTION SYSTEM
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.
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 3.
Replace 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 4.
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 5.
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 6.
pletion