Yamaha XT1200Z(Z) 2010, Service Manual, Page: 519 / 616

FUEL INJECTION SYSTEM
8-70
1 Connection of multi-function
meter 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). Improperly connected
→
Connect the coupler secure-
ly or repair/replace the wire
harness.
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 2.
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). Improperly connected
→
Connect the coupler secure-
ly or repair/replace the wire
harness.
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.
3 Wire harness continuity. Open or short circuit
→
Re-
place the wire harness.
yellow/blue–yellow/blue
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 Abnormal meter unit opera-
tion Replace the meter assembly. 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 Malfunction in ECU. Replace the ECU.
Fault code No. Er-2
Item
ECU internal malfunction (output signal error): no signals are
received from the ECU within the specified duration.
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
Fault code No. Er-1
Item
ECU internal malfunction (output signal error): no signals are
received from the ECU.