91_Abs; Troubleshooting - Yamaha MT-09 2021 Service Manual

EAS20671

91_ABS

EAS33301

TROUBLESHOOTING

Item
CAN communication (between IMU and hydraulic unit assembly)
Procedure
1. Defective coupler between the IMU and the hydraulic unit assembly
• Check the coupler for any pins that may be pulled out.
• Check the locking condition of the coupler.
TIP
Turn the main switch to "OFF" before disconnecting or connecting a coupler.
Is check result OK?
YES
→ Go to step 2.
NO
→ If there is a malfunction, repair it and connect the coupler securely.
2. Wire harness continuity.
• Disconnect the IMU coupler "1" and ABS ECU coupler "3".
• Remove the joint coupler cap "2".
• Open circuit check
Between IMU coupler "1" and joint coupler "2"
Between joint coupler "2" and ABS ECU coupler
"3"
1
B/W
2
L/W W
B B/L B B B B B
L/W L/B R/W
L/W W B B L/B L/B Y/B Y/B
B/L L/R L/R L/R L/R
blue/white–blue/white
blue/black–blue/black
blue/white–blue/white
blue/black–blue/black
3
W/G G Y L R/B Br L/W
L/W
R
G/O W/Y L B W Y L/B
9-310
91_ABS
B/W
B