Eeprom Fault Code Number: An Error Is Detected - Yamaha R1 Series 2015 Service Manual

Fault code No.
Item
2 Connection of wire harness
ECU coupler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
3 Wire harness continuity.
4 Defective relay unit.
5 Defective relay unit.
6 Malfunction in ECU.
Fault code No. 44
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
43
Fuel system voltage: incorrect voltage supplied to the fuel injector
and fuel pump.
Improperly connected
nect the coupler securely or
replace the wire harness.
Open or short circuit
the wire harness.
Between battery and fuse box
(fuel injection system fuse).
red–red
Between fuse box (fuel injection
system fuse) and relay unit cou-
pler.
brown/white–brown/white
Between relay unit coupler and
ECU coupler.
red/blue–red/blue
blue/white–blue/white
Execute the diagnostic mode.
(Code No. 50)
No operating sound
the relay unit.
Execute the diagnostic mode.
(Code No. 09)
Fuel system voltage is below 3
V Replace the relay unit.
Replace the ECU.
Refer to "REPLACING THE
ECU (Engine Control Unit)" on
page 8-180.
44
EEPROM fault code number: an error is detected while reading or
writing on EEPROM.
Able/Unable to start engine
Able/Unable to drive vehicle
60
EEPROM fault code display
• 00 (no history)
• 01–04: Cylinder fault code number (history exists)
If more than one cylinder is defective, the display switches every two
seconds to show the cylinder fault code numbers of all defective cylin-
ders in a repeating cycle.
• 11: Data error for ISC (Idle Speed Control) learning values (history
exists)
8-89
FUEL INJECTION SYSTEM
Con- 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 displayed
Go to item 3.
Replace 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 displayed
Go to item 4.
Start the engine and let it idle for
approximately 5 seconds.
Replace Fault code number is not dis-
played Service is finished.
Fault code number is displayed
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 displayed
Go to item 6.