Yamaha Fazer FZ8-SA, Руководство по обслуживанию

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FUEL INJECTION SYSTEM
8-101
TIP
If fault codes 47 and 48 are indicated simultaneously, take the actions specified for fault code 47
first.
5 Continuity of wire harness Open or short circuit
→
Replace the wire harness
Yellow/red–Yellow/red
Yellow/white–Yellow/white
Gray/black–Gray/black
Gray/white–Gray/white
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.
6 ECU malfunction Replace the ECU.
Fault code No. 50
Item
Faulty ECU memory. (When this malfunction is detected in the ECU,
the fault code number might not appear on the meter.)
Fail-safe system
Unable to start engine
Unable to drive vehicle
Diagnostic code No. —
Meter display —
Procedure —
Item/components and
probable cause
Check or maintenance job
Sensor inspection proce-
dure
1 ECU malfunction Replace the ECU. Place the main switch to the
ON position.
Then, check that no fault
code indicated.
Fault code No. 48
Item
Sub-throttle servo motor: stuck sub-throttle servo motor detected.
signal from sub-throttle position sensor will not change. (sub-throt-
tle servo motor will not start.)
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No. d:56
Actuation
Sub-throttle valve will close and stops at standard position after
fully opened.
This operation takes about 3 seconds and engine trouble warning
light will be turning on during operation.
Procedure Check the operating sound of the sub-throttle servo motor.
Item/components and
probable cause
Check or maintenance job
Sensor inspection proce-
dure