Yamaha 2008 Tenere, Service Manual

Page: 318 / 399

7-34
FUEL INJECTION SYSTEM
Fault code No. 30 Symptom The motorcycle has overturned.
Used diagnostic code No. 08 (lean angle cut-off switch)
Order Item/components Check or maintenance job Restore method
1 The motorcycle has overturned. Raise the motorcycle upright. Reinstated by set-
ting the main switch
to “ON” (the engine
cannot be started
unless the main
switch is first set to
“OFF”).
2 Lean angle cut-off switch installa-
tion Check the switch for looseness or pinching.
3 Coupler connections
Lean angle cut-off switch coupler
ECU coupler
Check the coupler for any pins that may have
pulled out.
Check that the couplers are securely locked.
If necessary, repair the coupler or securely con-
nect it.
4 Defective lean angle cut-off switch Execute the diagnostic mode. (Code No. 08)
Replace the switch if it is defective.
Refer to “IGNITION SYSTEM” on page 8-1.
Used diagnostic code No. – –
Order Item/components Check or maintenance job Restore method
1 Installed condition of O
2
sensor. Check the installed area for looseness or pinching.
Starting the engine,
warming it up until
the coolant
temperature is 60 °C
or more, and then
running it between
2000-3000 r/min until
the engine trouble.
indicator turns off.
2 Connected state of connector Check the coupler for any pins that may have
O
2
sensor coupler pulled out.
ECU coupler Check the locking condition of the coupler.
If there is a malfunction, repair it and connect it
securely.
3 Open or short circuit in wire Repair or replace if there is an open or short
harness and/or sub lead. circuit.
Between O
2
sensor coupler and ECU coupler.
Pink - Pink
Red/White - Red
Gray - Black/Blue
Gray/Green - Gray/Green
4 Check fuel pressure. Refer to “Checking the fuel pressure” in
“CHECKING THE FUEL PUMP” in
chapter 7.
5 Defective O
2
sensor. Replace if defective.
Fault code No. 24 Symptom No normal signal is received from the O2 sensor.