Yamaha MT-09 2021 Service Manual page 741

Is resistance 0 Ω?
YES
→ Go to "Short circuit check".
NO
→ Replace the wire harness.
• Short circuit check
TIP
Disconnect the ABS ECU related connectors before checking.
Refer to "PARTS CONNECTED TO THE ABS ECU" on page 9-4.
Ground short circuit check "A"
Between IMU coupler "1" and ground
Between ABS ECU coupler "3" and ground
Lines short circuit check "B"
IMU coupler "1"
Joint coupler "2"
ABS ECU coupler "3"
A
1
B/W L/W L/B R/W
3
W/G G Y L R/B Br L/W
L/W
R
G/O W/Y L B W Y L/B
Is resistance ∞ Ω?
YES
→ Go to step 3.
NO
→ Replace the wire harness.
3. Defective IMU
• Replace the IMU, and check again.
B
1
B/W L/W
3
B/W L/W
B R
9-311
blue/white–ground
blue/black–ground
blue/white–ground
blue/black–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
L/B R/W
W/G G Y L R/B Br L/W
B/W
B
G/O W/Y L B W Y L/B
91_ABS
2
L/W W L/W W B B L/B L/B Y/B Y/B
B B/L B B B B B B/L L/R L/R L/R L/R