Yamaha MT-09 2021 Service Manual page 606

Is the coupler condition normal?
YES
→ Go to step 5.
NO
a. Connect the coupler securely or replace the wire harness.
b. Execute the diagnostic mode. (Code 07)
c. Rotate the rear wheel by hand and check that the indicated value increases.
Is that value increased?
YES
→ Go to step 21.
NO
→ Go to step 5.
5. Wire harness continuity.
• Disconnect the rear wheel sensor coupler "1", ABS ECU coupler "2" and ECU coupler "3".
• Open circuit check
Between rear wheel sensor coupler "1" and
ABS ECU coupler "2"
Between ABS ECU coupler "2" and ECU cou-
pler "3"
1
B W
*. MTN890
**. MTN890D
Is resistance 0 Ω?
YES
→ Go to "Short circuit check".
NO
a. Replace the wire harness.
b. Execute the diagnostic mode. (Code 07)
c. Rotate the rear wheel by hand and check that the indicated value increases.
Is that value increased?
YES
→ Go to step 21.
NO
→ Go to "Short circuit check".
2
W/G G Y L R/B Br L/W
L/W B/W
R B
G/O W/Y L B W Y L/B
9-176
black–black
white–white
white/yellow–white/yellow
*
3
L/B Y/L
L/W B/Y
L/Y L/W
**
3
L/B Y/L O/W Lg/L
L/W B/Y Br/L G/L
L/Y L/W Lg/B
P0500, P1500
P/W P V L L Gy
Gy/G Br/W B/L B/L
G/W G/W W/G W/Y
P/W P V L L Gy
Gy/G Br/W B/L B/L
G/W G/W W/G W/Y