Yamaha 2012 TMAX XP500A Service Manual page 436

Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
d:09
Procedure
Actuation
d:50
Procedure
Item/components and
probable cause
5 Fuel injection system relay
malfunction
6 ECU malfunction
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Item/components and
probable cause
1 Locate the malfunction.
43
Fuel system voltage: incorrect voltage supplied to the fuel injector
and fuel pump.
Able to start engine
Able to drive vehicle
d:09, d:50
Fuel system voltage (battery voltage)
Approximately 12.0
Set the engine stop switch to "
measured battery voltage with the meter display value. (If the actu-
ally measured battery voltage is low, recharge the battery.)
Actuates the fuel injection system relay five times at one-second
intervals.
Illuminates the engine trouble warning light.
Check that the fuel injection system relay is actuated five times by
listening for the operating sound.
Check or maintenance job
Check in the diagnostic mode
(Code No. d:09)
Fuel-related voltage: 3 V or
less → Replace the fuel injec-
tion system relay.
Replace the ECU.
44
Error is detected while reading or writing on EEPROM (CO adjust-
ment value).
Under certain conditions
Under certain conditions
d:60
EEPROM fault code display
• 00 (no history)
• 01 or 02: Cylinder fault code number (history exists)
If both cylinders are defective, the display alternates every two
seconds.
—
Check or maintenance job
Check in the diagnostic mode
(Code No. d:60)
00 indication: Check number
4.
01 indication: Check number
2.
02 indication: Check number
3.
FUEL INJECTION SYSTEM
", and then compare the actually
8-61
Sensor inspection proce-
dure
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.
Sensor inspection proce-
dure
—