Yamaha XT1200Z(Z) 2010, Service Manual

Page: 514 / 616

FUEL INJECTION SYSTEM
8-65
3 Check the ETV (Electronic
Throttle Valve) fuse. Abnormality
→
Replace the
ETV (Electronic Throttle
Valve) fuse.
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.
4 Wire harness continuity. Open or short circuit
→
Re-
place the wire harness.
light green–light green
yellow/red–yellow/red
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.
5 Defective throttle servo mo-
tor. Check the throttle servo mo-
tor.
Refer to “CHECKING THE
THROTTLE SERVO MO-
TOR” on page 8-155. 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.
6 Defective throttle bodies. Check the throttle bodies.
Refer to “CHECKING THE
THROTTLE SERVO MO-
TOR” on page 8-155. 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 7.
7 Malfunction in ECU. Replace the ECU.
Fault code No. 68
Item
O
2
sensor #2: no normal signals are received from the O
2
sen-
sor #2.
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No. —
Meter display —
Procedure —
Item
Probable cause of mal-
function and check
Maintenance job
Confirmation of service
completion
1 Installed condition of O
2
sen-
sor.
Check for looseness or
pinching.
Improperly installed sensor
→
Reinstall or replace the
sensor.
Start the engine, warm it up,
and then race it.
Execute the diagnostic
mode. (Code No. d:63)
Fault code number is not dis-
played
→
Service is finished.
Fault code number is dis-
played
→
Go to item 2.
Fault code No. 60
Item YCC-T drive system: malfunction detected.