1-10
GEN
INFO
TIP
• Some types of malfunctions are not recorded in the memory of the ABS ECU (e.g., a blown ABS con-
trol unit fuse).
• The ABS performs a self-diagnosis test for a few seconds each time the vehicle first starts off after the
main switch was turned on. During this test, a “clicking” noise can be heard from under the seat, and
if the brake lever or brake pedal is even slightly operated, a vibration can be felt at the lever and pedal,
but these do not indicate a malfunction.
EAS30710
ABS OPERATION
The ABS hydraulic circuit consists of two systems: the front wheel, and rear wheel. The following de-
scribes the system for the front wheel only.
Normal braking (ABS not activated)
When the ABS is not activated, the inlet solenoid valve is open and the outlet solenoid valve is closed
because a control signal has not been transmitted from the ABS ECU. Therefore, when the brake lever
is squeezed, the hydraulic pressure in the brake master cylinder increases and the brake fluid is sent
to the brake caliper.
At this time, the inlet and outlet check valves of the hydraulic pump are closed. As a result of eliminating
the orifice, the brake master cylinder directly pressurizes the brake caliper during normal braking. When
the brake lever is released, the brake fluid in the brake caliper returns to the brake master cylinder.
2
1
3
4
5
6
7
8
1. Software operation flow
2. Main switch “ON”
3. Initialize
4. Self-diagnosis (when static)
5. Self-diagnosis (when riding)
6. Receive signals
7. Control operation
8. Depressurize/pressurize
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Страница 120: ...ENG CHAPTER 5 ENGINE ENGINE REMOVAL 5 1 CRANKCASE 5 5 B9X F8197 E0 book Page 0 Thursday July 16 2020 2 28 PM ...
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Страница 146: ...6 16 ELEC SIGNALING SYSTEM SIGNALING SYSTEM CIRCUIT DIAGRAM B9X F8197 E0 book Page 16 Thursday July 16 2020 2 28 PM ...
Страница 198: ...6 68 ELEC FUEL PUMP SYSTEM FUEL PUMP SYSTEM CIRCUIT DIAGRAM B9X F8197 E0 book Page 68 Thursday July 16 2020 2 28 PM ...
Страница 238: ...TRBL SHTG B9X F8197 E0 book Page 2 Thursday July 16 2020 2 28 PM ...
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