Yamaha MT-09 2021 Service Manual page 664

A
1
4
R
Br/L
Is resistance ∞ Ω?
YES
→ Go to step 6.
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 7, and complete the service.
NO
→ Go to step 6.
6. Malfunction in ECU.
• Replace the ECU, and complete the service.
Refer to "REPLACING THE ECU (Engine Control Unit)" on page 8-56.
7. Delete the DTC and check that the MIL goes off.
• Confirm that the DTC has a condition of "Recovered" using the YDT, and then delete the DTC.
3
Y/R P/B O/G Gy/R O
Lg/R L/B G/B R/B B
R/L G/Y B
R/G Y/R Y/B L/W R/L B/W B/W
3
W/R G L Br/Y R/W
W Y/R
Y
B/L Br
W/B B Y/B
B
3
Y/R P/B
Lg/R L/B G/B
R/L G/Y
R/G Y/R Y/B L/W
4
R
Br/L
9-234
3
O/G Gy/R O
W/R G L
R/B B
Y W
B
B/L
R/L B/W B/W
W/B B Y/B
P1602
Br/Y R/W
Y/R
Br