Yamaha XSR900 2022, Service Manual

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16_ABS
Ground short circuit check “A”
Lines short circuit check “B”
3. Defective rear wheel sensor or hydraulic unit assembly (ABS ECU)
• If the above items were performed and no malfunctions were found, the rear wheel sensor or hy-
draulic unit assembly (ABS ECU) is defective.
• Replace the rear wheel sensor or hydraulic unit assembly (ABS ECU).
Refer to “REAR WHEEL” on page 4-19 and “ABS (ANTI-LOCK BRAKE SYSTEM)” on page 4-52.
Between ABS ECU coupler “1” and ground
white–ground
black–ground
ABS ECU coupler “1”
white–any other coupler terminal
black–any other coupler terminal
Is resistance
∞ Ω
?
YES
→
Go to step 3.
NO
→
Replace the wire harness.
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
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
B A
1 1