Yamaha FJR1300AS(X) Service Manual page 22

• Buffer chamber
The buffer chamber accumulates the brake fluid that is depressurized while the ABS is operating.
1. Buffer chamber (pressurizing phase)
2. Buffer chamber (depressurizing phase)
• ABS ECU
The ABS ECU is integrated with the hydraulic unit to achieve a compact and lightweight design.
As shown in the block following diagram, the ABS ECU receives wheel sensor signals from the front
and rear wheels and also receives signals from other monitor circuits.
8
7
4 5
2
3
1
10
33
11
31
32
30
29
28
27
1. Battery
2. AC magneto
3. Rectifier/regulator
4. Main fuse
5. Main switch
6. ABS ECU fuse
7. ABS motor fuse
8. ABS solenoid fuse
9. Front brake light switch
10. Brake light relay
11. Tail/brake light
12. Rear brake light switch
13. Hydraulic unit assembly
14. ABS ECU
6
13
9
12
14
3. Raised piston
15 16
17 18 19 20 21 22
15. Solenoid relay
16. ABS motor relay
17. Front brake inlet solenoid
18. Front brake outlet solenoid
19. Rear brake inlet solenoid
20. Rear brake outlet solenoid
21. Unified brake system inlet solenoid
22. Unified brake system outlet solenoid
23. ABS motor
24. Meter assembly
25. ABS warning light
26. Speedometer
27. ABS test coupler
28. Rear wheel sensor
1-13
FEATURES
35
23
24
25
26
34