Yamaha STAR XVS95CE 2DX1 2014 Service Manual page 373

Fault code No.
Item
3 Wire harness continuity.
4 Defective relay unit.
5 Defective relay unit.
6 Malfunction in ECU.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Indicated
Procedure
Probable cause of mal-
Item
function and check
1 Locate the malfunction.
2 Malfunction in ECU.
43
Fuel system voltage: incorrect voltage supplied to the fuel in-
jector and fuel pump.
Open or short circuit → Re-
place the wire harness.
Between relay unit coupler
and ECU coupler.
red/blue–red/blue
Between starter relay cou-
pler and relay unit coupler.
red/black–red/black
Between starter relay cou-
pler and battery.
red–red
Execute the diagnostic
mode. (Code No. 50)
No operating sound → Re-
place the relay unit.
Execute the diagnostic
mode. (Code No. 09)
Fuel system voltage is be-
low 3 V → Replace the relay
unit.
Replace the ECU.
44
EEPROM fault code number: an error is detected while reading
or writing on EEPROM.
Able to start engine
Able to drive vehicle
60
The self diagnostic code 44 detected EEPROM errors are indicat-
ed.
If there are multiple errors, they are indicated in 2 seconds inter-
vals.
00 indication: Normal status
—
Maintenance job
Execute the diagnostic
mode. (Code No. 60)
Replace the ECU.
7-60
FUEL INJECTION SYSTEM
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 dis-
played → 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 dis-
played → 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 dis-
played → Go to item 6.
Confirmation of service
completion
—