Fault Code 47 - Yamaha FZ8NA Service Manual

Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Item/components and
probable cause
4 Continuity of wire harness
5 Sub-throttle position sensor
malfunction
6 ECU malfunction
TIP
If fault codes 47 and 48 are indicated simultaneously, take the actions specified for fault code 47
first.
47
Sub-throttle position sensor: open or short circuit detected. (no nor-
mal signals are received from the sub-throttle position sensor.)
Able to start engine
Able to drive vehicle
—
—
—
Check or maintenance job
Open or short circuit →
Replace the wire harness
Black/blue–Black/blue
Green/yellow–Green/yellow
Blue–Blue
Check the sub-throttle posi-
tion sensor.
Refer to "CHECKING THE
SUB-THROTTLE POSITION
SENSOR" on page 8-199.
Sub-throttle position sensor
malfunction → Replace the
sub-throttle position sensor.
Replace the ECU.
FUEL INJECTION SYSTEM
8-99
Sensor inspection proce-
dure
Place the main switch to the
ON position, and check the
fault code indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
Place the main switch to the
ON position, and check the
fault code indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.