Yamaha TMAX 2020 Service Manual page 564

Is it in the "Recovered" condition?
YES
 Go to step 9, and complete the service.
NO
 Go to step 3.
3. Wire harness continuity.
• Disconnect the throttle position sensor coupler and ECU coupler.
• Open circuit check
Between throttle position sensor coupler "1" and
ECU coupler "2"
Is resistance 0 ?
YES
 Go to "Short circuit check".
NO
a. Replace the wire harness.
b. Push the ON/start switch, 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 9, and complete the service.
NO
 Go to "Short circuit check".
• Short circuit check
TIP
Disconnect the ECU related connectors before checking.
Refer to "PARTS CONNECTED TO THE ECU" on page 9-3.
Ground short circuit check "A"
Between throttle position sensor coupler "1" and
ground
P0122, P0123, P0222, P0223, P2135
1
W L B/L B
9-90
[P0122, P0222] blue–blue
[P0122, P0123, P0222, P0223, P2135]
white–white
[P0123, P0223] black/blue–black/blue
[P0122, P0123, P0222, P0223, P2135]
black–black
2
Lg
L L Y/R R/W
W W
B/L R
B/L Lg B
[P0122, P0123, P0222, P0223, P2135]
white–ground
[P0122, P0222] blue–ground
[P0123, P0223] black/blue–ground
[P0122, P0123, P0222, P0223, P2135]
black–ground