Yamaha MT-09 2021 Service Manual page 556

Is it in the "Recovered" condition?
YES
→ Go to step 8, and complete the service.
NO
→ Go to step 3.
3. Wire harness continuity.
• Disconnect the throttle position sensor coupler "1" and ECU coupler "2".
• Open circuit check
Between throttle position sensor coupler "1" and
ECU coupler "2"
Is resistance 0 Ω?
YES
→ Go to "Short circuit check".
NO
a. Replace the wire harness.
b. Turn the main switch to "ON", and then check the condition of the DTC using the malfunction
mode of the YDT.
Is it in the "Recovered" condition?
YES
→ Go to step 8, and complete the service.
NO
→ Go to "Short circuit check".
• Short circuit check
1
W B/L L B
P0122, P0123, P0222, P0223, P2135
[P0122, P0123, P0222, P0223, P2135] white–
white
[P0123, P0223] black/blue–black/blue
[P0122, P0222] blue–blue
[P0122, P0123, P0222, P0223, P2135] black–
black
2
W/R G L
W Y/R
Y
B/L
W/B B Y/B
9-126
Br/Y R/W
Br