Yamaha TMAX 2020 Service Manual page 565

Lines short circuit check "B"
Throttle position sensor coupler "1"
ECU coupler "2"
A
1
W L B/L B
Is resistance  ?
YES
 Go to step 4.
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 step 4.
P0122, P0123, P0222, P0223, P2135
[P0122, P0123, P0222, P0223, P2135]
white–any other coupler terminal
[P0122, P0222] blue–any other coupler terminal
[P0123, P0223] black/blue–any other coupler
terminal
[P0122, P0123, P0222, P0223, P2135]
black–any other coupler terminal
[P0122, P0222] blue–any other coupler terminal
[P0122, P0123, P0222, P0223, P2135]
white–any other coupler terminal
[P0123, P0223] black/blue–any other coupler
terminal
[P0122, P0123, P0222, P0223, P2135]
black–any other coupler terminal
B
1
W L B/L B
9-91
2
L Lg L Y/R R/W
W W
B/L R
Lg B
B/L