Yamaha 2009 YZF-R1 (Y) - Ignition Coil #4 Primary Lead Malfunction

To Next Page

To Previous Page

FUEL INJECTION SYSTEM

8-71

6 Ignition coil malfunction

(Check the resistance of igni-

tion coil #3.)

Refer to “CHECKING THE

IGNITION COILS” on page 8-

132.

Ignition coil inspection

method

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.

7 ECU malfunction Check in the diagnostic mode

(Code No. 32).

If not ignited, replace the

defective ECU.

Fault code No. 36

Symptom Ignition coil #4 primary lead malfunction

Fail-safe action

Engine startup: Possible (depending on the number of failed cylin-

ders)

Riding: Possible (depending on the number of failed cylinders)

Diagnostic monitor-

ing code No.

D:33

Meter display

Actuates the cylinder-#4 ignition coil five times at one-second inter-

vals.

Illuminates the engine trouble warning light.

Checking method

Check the spark five times.

• Connect an ignition checker.

Item/components and

probable cause

Check or maintenance job

Sensor inspection proce-

dure

1 Connection of ignition coil

coupler

Check the connection of the

coupler is secure.

Remove the coupler, and

check each pin (for bending,

wear, or locking).

Poor connection → Connect

it securely or repair/replace

the wire harness.