Yamaha YZF-R1B 2012 Service Manual page 471

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
Fault code No.
Symptom
Fail-safe action
Diagnostic monitor-
ing code No.
Meter display
Checking method
Item/components and
probable cause
6 Ignition coil malfunction
(Check the resistance of igni-
tion coil #4.)
7 ECU malfunction
email: info@motomatrix.co.uk
36
Ignition coil #4 primary lead malfunction
Engine startup: Possible (depending on the number of failed cylin-
ders)
Riding: Possible (depending on the number of failed cylinders)
D:33
Actuates the cylinder-#4 ignition coil five times at one-second inter-
vals.
Illuminates the engine trouble warning light.
Check the spark five times.
• Connect an ignition checker.
Check or maintenance job
Refer to "CHECKING THE
IGNITION COILS" on page 8-
136.
Ignition coil inspection
method
Check in the diagnostic mode
(Code No. 33).
If not ignited, replace the
defective ECU.
8-74
FUEL INJECTION SYSTEM
Sensor inspection proce-
Start and idle the engine for
approximately 5 seconds.
Then, check the fault code
indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
dure