Yamaha XSR900 2022, Service Manual

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9- 3 00
57_ABS
EAS20666
57_ABS
EAS33292
TROUBLESHOOTING
Item
Vehicle CAN communication line or power source of vehicle system
Procedure
1. Wire harness continuity.
• Disconnect the ECU coupler “1” and ABS ECU coupler “5”.
• Remove the joint coupler cap “2”, joint coupler cap “3” and joint coupler cap “4”.
• Open circuit check
• Short circuit check
TIP
Disconnect the ECU and ABS ECU related connectors before checking.
Refer to “PARTS CONNECTED TO THE ECU” on page 9-4 and “PARTS CONNECTED TO THE ABS
ECU” on page 9-4.
Between ECM coupler “1” and joint coupler “3” blue/black–blue/black
Between ECM coupler “1” and joint coupler “4” blue/white–blue/white
Between joint coupler “2” and joint coupler “3” yellow/black–yellow/black
Between joint coupler “2” and joint coupler “4” white–white
Between joint coupler “2” and ABS ECU coupler
“5” blue/black–blue/black
blue/white–blue/white
Is resistance 0
Ω
?
YES
→
Go to “Short circuit check”
NO
→
Replace the wire harness.
Gy L L V P P/W Lg/L O/W Y/L L/B
B/L B/L Br/W Gy/G G/L Br/L B/Y L/W
W/Y W/G G/W G/W Lg/B L/W L/Y
L/W W W L/W B B L/B L/B Y/B Y/B
L/R L/R L/R L/R B/L B B/L B B B B B
L/B L/B Y/B
L/W L/W W
R
L/W
B
B/W
W/G G Y L R/B Br L/W
G/O W/Y L B W Y L/B
1
4
5
3
2