Yamaha Tenere 700 2020, Руководство по обслуживанию

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FUEL INJECTION SYSTEM
8-46
Fault code No. P0122, P0123
6 Defective coolant temperature
sensor. Execute the diagnostic mode.
(Code No. 06)
When engine is cold:
Displayed temperature is close
to the ambient temperature.
The displayed temperature is
not close to the ambient tem-
perature
→
Check the coolant
temperature sensor.
Replace if defective.
Turn the main switch to “ON”,
and then check the condition of
the fault code using the mal-
function mode of the Yamaha di-
agnostic tool.
Condition is “Recover”
→
Go to
item 8 and finish the service.
Condition is “Malfunction”
→
Go
to item 7.
7 Malfunction in ECU. Replace the ECU.
Refer to “REPLACING THE
ECU (engine control unit)” on
page 8-130. Service is finished.
8 Delete the fault code and check
that the engine trouble warning
light goes off. Confirm that the fault code has
a condition of “Recover” using
the Yamaha diagnostic tool, and
then delete the fault code.
Fault code No. P0122, P0123
Item
[P0122] Throttle position sensor: open or ground short circuit de-
tected.
[P0123] Throttle position sensor: power short circuit detected.
Fail-safe system
Able/Unable to start engine
Able/Unable to drive vehicle
Diagnostic code No. 01
Tool display
Throttle position sensor signal
• 11–21 (fully closed position)
• 96–106 (fully open position)
Procedure
• Check with throttle valves fully closed.
• Check with throttle valves fully open.
Item
Probable cause of malfunc-
tion and check
Maintenance job
Confirmation of service com-
pletion
1 Connection of throttle position
sensor coupler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins). Improperly connected
→
Con-
nect the coupler securely or re-
place the wire harness.
Turn the main switch to “ON”,
and then check the condition of
the fault code using the mal-
function mode of the Yamaha di-
agnostic tool.
Condition is “Recover”
→
Go to
item 9 and finish the service.
Condition is “Malfunction”
→
Go
to item 2.
2 Connection of ECU coupler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins). Improperly connected
→
Con-
nect the coupler securely or re-
place the wire harness.
Turn the main switch to “ON”,
and then check the condition of
the fault code using the mal-
function mode of the Yamaha di-
agnostic tool.
Condition is “Recover”
→
Go to
item 9 and finish the service.
Condition is “Malfunction”
→
Go
to item 3.