Yamaha XT1200Z 2010 Service Manual page 509

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
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 bro-
ken terminals and locking
condition of the pins).
3 Wire harness continuity.
4 Malfunction or open circuit in
main relay.
5 Malfunction or open circuit in
main relay.
6 Malfunction in ECU.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
email: info@motomatrix.co.uk
43
Fuel system voltage: the ECU is unable to monitor the battery
voltage (an open or short circuit in the wire harness to the
ECU).
Improperly connected →
Connect the coupler secure-
ly or repair/replace the wire
harness.
Open or short circuit →Re-
place the wire harness.
Between relay unit coupler
and ECU coupler.
red/blue–red/blue
Between relay unit coupler
and fuel injection system
fuse.
red/black–red/black
Between fuel injection sys-
tem fuse and battery termi-
nal.
red–red
Execute the diagnostic
mode. (Code No. d:50).
No operation sound of fuel
injection system relay is
heard. → Replace the relay
unit.
Execute the diagnostic
mode. (Code No. d:09)
Fuel system voltage is be-
low 3V → Replace the relay
unit.
Replace the ECU.
44
EEPROM cylinder fault code number: an error is detected
while reading or writing on EEPROM (CO adjustment value).
Able/Unable to start engine
Able/Unable to drive vehicle
d:60
8-60
FUEL INJECTION SYSTEM
Set the main switch to "ON".
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 3.
Set the main switch to "ON".
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 4.
Set the main switch to "ON".
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 5.
Set the main switch to "ON".
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 6.