Yamaha TMAX 2020 Service Manual page 634

Lines short circuit check "B"
Accelerator position sensor coupler "1"
ECU coupler "2"
A
1
W B/L L R
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 6, and complete the service.
NO
 Go to step 4.
4. Defective accelerator position sensor.
• Execute the diagnostic mode. (Code D14) (Accelerator position sensor signal 1.)
When the throttle valves are fully closed
When the throttle valves are fully open
• Execute the diagnostic mode. (Code D15) (Accelerator position sensor signal 2.)
When the throttle valves are fully closed
When the throttle valves are fully open
P2122, P2123, P2127, P2128, P2138
[P2122, P2123, P2127, P2128, P2138]
white–any other coupler terminal
[P2123, P2128] black/blue–any other coupler
terminal
[P2122, P2127] blue–any other coupler terminal
[P2122, P2123, P2127, P2128, P2138] red–any
other coupler terminal
[P2122, P2123, P2127, P2128, P2138]
white–any other coupler terminal
[P2123, P2128] black/blue–any other coupler
terminal
[P2122, P2127] blue–any other coupler terminal
[P2122, P2123, P2127, P2128, P2138] red–any
other coupler terminal
B
1
W B/L L R
9-160
2
L Lg L Y/R R/W
W W
B/L R
B/L Lg B
11–20
95–106
9–23
93–109