Brake HONDA CIVIC 1999 6.G Workshop Manual

A/T Controls (All GX and All '99-'00 Models except CVI)
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Distribution,page 10-5.
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BLI(YEL
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Banery input
Servicecheck Vehicls Linear sol€noidconneclor speednput
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Lock-up controlsolenoid valve (valve control circuitShift lock \
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39-8

A/T Controls ('99-'00 CVT)
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S€9 PowerOistribution,page 1G1 1.
S€e Pow€tOistribulion,page 1G13.
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39-12
3 ctor

Anti-Lock Brake System (ABS)
UNDER.HOOD
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44

Anti-Lock Brake System (ABS) (cont'd)
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FUSE 16iA DEFlEtsY See Power:ar Distribution,page 10-8.
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'96- 97 Dl
mooels
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page 1G6. I pHoro 5d
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See Power Distribution,page 1S6.
AAS INDICATORLIG}IT
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1lo2)lgnition 2
Speed sensor anputsvlEw 63
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Page 10-13'
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44-2

- How the Circuit Works
The anti-lock brake system (ABS) prevents locking
of the wheels as a result of heavy braking and/or
poor lraction. A vehicle with locked wheels cannot
be steered. The anti-lock brake system controls the
application of the brakes, allowing the driver to
maintain control of the steering.
Under anti-lock conditions, the antilock brake
system (ABS) modulates the pressure of the brake
tluid to each brake caliper. This system is a four
channel system: the pressure at each caliper is
controlled independently of the pressure al any
other caliper. Whenever a wheel is likely to lock
dunng braking, the anti-lock brake system
modulates the brake oressure at that wheel. When
the brake pressure is reduced to the point where
there is no longer any possibility of wheel locking,
the system returns to the conventional braking
system mode of operation.
Battery voltage is applied at all times through fuse
63 to the ABS control unit. When the ignition switch
is in ON (ll), battery voltage is supplied to the
control unit through fuse 16. The control unit is case
grounded. Inputs are received from the brake switch
and the individual wheel sensors located at each
wheel. The ABS control unit uses these inputs to
control the modulator solenoid unit. The solenoids
adjust the hydraulic pressure applied to each
calioer.
The ABS control unit has a self-diagnosis function.
When the control unit detects a fault, it turns on the"ABS" indicator and disables the anti-lock brake
system. lf the fault is not in the conventional braking
system, the brakes will continue to operate normally
but without the anti-lock feature.
Refer to the Service Manual (Section '19,
Anti-Lock Brake System) for specific tests or
troubleshooting procedures.
44-3

Integrated Control Unit
NOTE: Fuse 31 is hot with lgnition Switch in START (lll) and clutch pedal depressed or A,/T Gear Selector in
PARK (P) or NEUTRAL (N), see Starting System, page 21,21-1, ot 21-2.
See BrakeSystemlndicatorli^hl
FUSE 3IstaaTEaSIGI{AT7AAI
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S€s SiarlingSyslsm, pago 21,21-1. or 21'2.
SEs BrakeSystemlndicetorLight A6
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Eog GoundDistlbution,page l,l-7.
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i'l-;;,-lH8B'r*| rrmn1gn I FUSEI
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Brake System Indicator Light
- '96-'98 Models
NOTE: Fuse 31 is hot with lgnition Switch in START (lll) and clutch pedal depressed or A,/T gear selector in
PARK (P) or NEUTRAL (N), see Starting System, page 21 , 21-1, or 21-2.
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FUS€ 31atAirEn8Gl{tt7.all
UNDER-DASHFUSE/RELAYBOXS€o Starling Sysl6m,pag6 21, 2l-1, or el-2,
FUSE 25
ffR s." Ponr"tDistribulion,page 10-6.
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---.I GAUGE$os IndicatorsI ASSEMBLY
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- '99-'00 Models
NOTE: Fuse 31 isJtot with lgnition Switch in START (lll) and clutch pedal depressed or A,,/T gear selector inPARK (P) or NEUTRAL (N), see Starting System, page 21 ,2i-1, ot 21-2.
UNDER"DASHFUSEiRELAYBOX
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71-1

Brake System Indicator Light (cont'd)
- How the Circuit Works
The brake system indicator light comes on to alert
the driver that the parking brake is applied, or that
the brake fluid level is low. lt also comes on as a
bulb test when the engine is cranked.
Parking Brake
With the ignition switch in ON (ll) or START (lll),
voltage is applied through fuse 25 to the brake
system light. When you apply the parking brake, the
switch closes and provides a ground for the light.
The light then comes on to remind you that the
parking brake is applied.
Brake Fluid Level
With the ignition switch in ON (ll) or START (lll),
voltage is applied through fuse 25 to the brake
system light. lf the brake fluid level is low, the brake
fluid level switch closes, providing ground to the
circuit. The brake system light then comes on,
alerting the d verto a low brake fluid level in the
brake master cylinder. (Check brake pad wear
before you add fluid).
Bulb Check
With the ignition switch in START (lll) and clutch
pedal depressed or A'lT gear selector in PARK (P)
or NEUTRAL (N), voltage is applied through fuse 31
to the brake bulb check circuit. The brake bulb
check circuit closes, allowing current to flow through
the brake system light and bulb check circuit to
ground. The brake system light then comes on to
test the bulb.
Refer to the Service Manual (Section 23, Electrical)
for specific tests or troubleshooting procedures.
71-2
a
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Indicators (cont'd)
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YEL
FUSE 2sUETER7.54
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IFUSE/RELAY
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'99- 00 vehicles pre-wired foraccessory security system
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Coupe and Sedan
'96197 models
"ar,"a^ fi
'tg::1",,,
BLU/BLK
Jf v/Er,! e'98-'00 models
TRUNK LATCHSWITCHClosed withtrunk open.
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80-2