Suzuki 2006 GSF1200AK6 - Fail-Safe and Self-Diagnosis Functions

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GSF1200AK6/SAK6 (’06-MODEL) 13

Brake fluid pressure-increasing mode

If the accelerating wheel speed exceeds the set value, the ABS increases the pressure. At this time, the

ABS control unit outputs the signal to stop the solenoid valve coils from being energized, opening the inlet

valve and closing the outlet valve, and sending the pressurized brake fluid from the master cylinder to the

brake caliper. In addition, during a step wise brake fluid pressure increase, the mode switches between the

pressure-maintaining and pressure-increasing modes.

WHEN NOT OPERATING THE ABS (WHEN THE ABS IS NOT ACTIVATED OR AN ABS MALFUNCTION

HAS OCCURRED)

Brake fluid pressure-decreasing mode

For releasing the brakes when ABS is not activated, since no signals are output from ABS control unit, this

opens the inlet solenoid valve (normal position) and closes the outlet solenoid valve (normal position). Then,

fluid within the brake caliper will return to master cylinder passing through one-way valve which is opened by

the inlet solenoid valve and fluid pressure.

Brake

caliper

Pump

Motor:

Reservoir

Solenoid valve

Time

Fluid pressure

at brake caliper

Inlet:

OFF

Outlet:

OFF

Increasing pressure

Signal Fluid circuit

IN/V OFF Open

OUT/V OFF Close

Increasing the caliper pressure stepwise

by switching the modes of

maintaining and increasing.