The ABS-ECU calculates the speed and
deceleration of each wheel based on the signals
from the four wheel speed sensors and the G
sensor incorporated in the ABS-ECU, and
estimates the vehicle speed at that time.
When the brake pedal is depressed, the brake fluid
pressure applied to the wheel cylinder increases,
and the wheel speed decreases. When the
difference between the wheel speed and vehicle
speed increases, and the vehicle deceleration
goes below the specified value (Point A), ECU
determines that the wheels are about to be locked.
At this time, ECU reduces the brake fluid pressure
by outputting the pressure decrease signal to the
solenoid valves (IN, OUT). (between a and b)
When the vehicle deceleration and wheel speed
begin recovery, and the vehicle speed reaches the
point B, ECU outputs the pressure hold signal to
maintain the wheel cylinder fluid pressure.
(between b and c)
When the wheel speed deceleration is further
recovered and overpasses the point C, ECU
determines that the wheel lock possibility has been
eliminated and increases the brake fluid pressure
by outputting the pressure increase signal again.
(between c and d)
Brake fluid pressure is controlled by repeating the
increase and hold of the pressure. (between d and
e)
When the wheel deceleration goes below the
threshold again, ABS-ECU controls the brake fluid
pressure by repeating the cycle (Step 2 to 5).
Four-wheel control
ABS fluid pressure is controlled independently for four
wheels.
EBD hydraulic pressure control
ZC500798
Ideal distribution curve for
fixed passengers boarding
Brake force distribution curve by
conventional proportioning valve
EBD operation conceptual diagram
Rear braking force
Front braking force
Ideal distribution curve for
one passenger boarding
Enhanced braking force
EBD braking force distribution range
EBD control is activated in a range with lower slip ratio
where ABS is disabled. EBD calculates vehicle
deceleration and slip amount of the four wheels based
on the wheel speed sensor signal. If the rear wheel
speed differs from the vehicle speed by a certain level
or more, EBD increases, holds, and decreases the
pressure at the rear wheel control solenoid valve in
the hydraulic unit, and then adjusts rear wheel brake
fluid pressure fairly close to an ideal distribution curve.
INITIAL CHECK
ABS-ECU performs the following initial checks using
the diagnostic functions. ABS-ECU illuminates the
ABS warning light for 3 seconds (including the initial
check)*after the ignition switch is turned ON. If any
malfunction is detected, ABS-ECU continues
illuminating the ABS warning light and disables ABS
control.
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Summary of Contents for Outlander 2007
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Page 33: ... 4172 0 0 7 4 6 10 106 065 0 4 0 14 6 10 1 2 55 1 27 2 1 6 4 1 2 0 ...
Page 40: ...Control System Diagram 7 6 2146 7 5 56 0 4 0 14 6 10 ...
Page 99: ... 4172 7 5722 106 065 0 4 0 14 6 10 7 6 0 ...
Page 104: ...MEMO 7 5722 ...
Page 105: ... 4172 0 0 11 0 106 065 0 4 0 14 6 10 9 6 4 2 55 9 6 4 27 2 ...
Page 108: ...MEMO 0 0 11 0 ...
Page 109: ... 4172 06 0 756 106 065 4 06 5 56 4 7 6 0 4 0 4 06 0 1 756 5 56 756 0 1 756 2 2 0 7 4 ...
Page 114: ...MEMO 06 0 756 ...
Page 115: ... 4172 C 56 46 0 5 56 106 065 56 46 4 1614 C C ...
Page 117: ... 4172 D 4 0 5 56 106 065 6 40 614 D D ...
Page 119: ... 4172 E 0 6 10 5 56 106 065 0 6 10 1 E 52 4 2 7 E E ...
Page 121: ... 4172 C 0 0 10641 106 065 0 4 0 14 6 10 C C ...
Page 123: ... 4172 D 761 47 5 10641 5 56 106 065 0 4 0 14 6 10 D 105647 6 10 0 12 4 6 10 D D ...
Page 140: ...MEMO E 55 10 10641 ...
Page 181: ... 4172 2412 4 5 6 106 065 0 4 0 14 6 10 ...
Page 183: ... 4172 4106 106 065 0 4 0 14 6 10 ...
Page 186: ...MEMO 4106 ...
Page 207: ... 4172 9 0 6 4 106 065 0 4 0 14 6 10 6 4 24 5574 10 614 0 5 56 62 5 ...
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Page 215: ...MEMO 4106 5752 05 10 ...
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Page 220: ... 4172 5 4 5 56 106 065 0 4 105647 6 10 5 4 26 10 56 4 0 4 4 1156 4 4 2 5 4 ...
Page 227: ...N o Item Contents Rounded integral value 5 4 5 56 105647 6 10 5 4 26 10 ...
Page 228: ... 4172 174 9 06 1 4 5 56 5 106 065 0 4 0 14 6 10 105647 6 10 5 4 26 10 5 0514 EVWCVQT 5 7 ...
Page 266: ... 4172 2 4 0 4 5 106 065 0 4 0 14 6 10 ...
Page 276: ...13 1 GROUP 13 FUEL CONTENTS MULTIPORT FUEL INJECTION MFI 13A FUEL SUPPLY 13B ...
Page 300: ...MEMO 1 ...
Page 372: ...MEMO 06 4 14 ...
Page 396: ...MEMO 5722 06 4 564 06 5 56 545 ...
Page 432: ...MEMO 55 5 64 ...
Page 443: ... 4172 1 06 4 100 6 0 6914 0 106 065 0 4 0 14 6 10 5647 674 5 56 12 4 6 10 ...
Page 448: ...MEMO 1 06 4 100 6 0 6914 0 ...
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Page 457: ...MEMO 10641 4 4 0 6914 0 ...
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