Yamaha Tracer MT09TRAH 2017 Service Manual page 424

Fault code No.
Item
3-11 [For P0222/P0223] Short circuit
Between throttle position sensor output terminal (black) "a" of ECU coupler and any other ECU cou-
pler terminal "b".
If there is continuity, replace the wire harness.
4 Installed condition of throttle
position sensor.
5 Throttle position sensor resis-
tance.
P0122, P0123, P0222, P0223, P2135
[P0122] Throttle position sensor: ground short circuit detected.
[P0123] Throttle position sensor: open or power short circuit
detected.
[P0222] Throttle position sensor: ground short circuit detected.
[P0223] Throttle position sensor: open or power short circuit
detected.
[P2135] Throttle position sensor: output voltage deviation error.
b
Check for looseness or pinch-
ing.
Improperly installed sensor 
Reinstall or adjust the sensor.
Refer to "ADJUSTING THE
THROTTLE POSITION SEN-
SOR" on page 7-12.
Measure the throttle position
sensor resistance.
black/blue–blue
Refer to "CHECKING THE
THROTTLE POSITION SEN-
SOR" on page 8-170.
8-53
FUEL INJECTION SYSTEM
a
Turn the main switch to "ON",
and then check the condition of
the fault code using the mal-
function mode of the Yamaha
diagnostic tool.
Condition is "Recovered"  Go
to item 8 and finish the service.
Condition is "Detected"  Go to
item 5.
Turn the main switch to "ON",
and then check the condition of
the fault code using the mal-
function mode of the Yamaha
diagnostic tool.
Condition is "Recovered"  Go
to item 8 and finish the service.
Condition is "Detected"  Go to
item 6.