15_Abs; Troubleshooting - Yamaha XSR 900 2022 Service Manual

EAS20662

15_ABS

EAS33040

TROUBLESHOOTING

Item
Front wheel sensor (open or short circuit)
Procedure
1. Defective coupler between the front wheel sensor and the hydraulic unit assembly (ABS ECU)
• 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 ABS ECU coupler "1" and front wheel sensor coupler "2".
• Open circuit check
Between ABS ECU coupler "1" and front wheel
sensor coupler "2"
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.
1
W/G G Y L R/B Br L/W
L/W B/W
R B
G/O W/Y L B W Y L/B
9-281
brown–brown
yellow–yellow
2
Br Y
15_ABS