Yamaha MT-09 2021 Service Manual page 688

Ground short circuit check "A"
Between ECU coupler "1" and ground
Between IMU coupler "3" and ground
Lines short circuit check "B"
ECU coupler "1"
Joint coupler "2"
IMU coupler "3"
A
*
1
L/B Y/L Lg/L
L/W B/Y G/L
L/Y L/W
**
1
L/B Y/L O/W Lg/L
L/W B/Y Br/L G/L
L/Y L/W Lg/B
3
B/W L/W L/B
*. MTN890
**. MTN890D
Is resistance ∞ Ω?
YES
→ Go to step 4.
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 6, and complete the service.
NO
→ Go to step 4.
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
R/W
blue/white–ground
blue/black–ground
blue/white–ground
blue/black–ground
red/white–ground
blue/white–any other coupler terminal
blue/black–any other coupler terminal
blue/white–any other coupler terminal
blue/black–any other coupler terminal
blue/white–any other coupler terminal
blue/black–any other coupler terminal
red/white–any other coupler terminal
B
*
1
L/B Y/L Lg/L
L/W B/Y
L/Y L/W
**
1
L/B Y/L O/W Lg/L
L/W B/Y Br/L
L/Y L/W Lg/B
2
L/W W L/W W B
B B/L B B B B B B/L
9-258
P/W P V L L Gy
G/L Gy/G Br/W B/L B/L
G/W G/W W/G W/Y
P/W P V L L Gy
G/L Gy/G Br/W B/L B/L
G/W G/W W/G W/Y
B L/B L/B Y/B Y/B
L/R L/R L/R L/R
U0125
3
B/W L/W L/B R/W