Switch ac HONDA CIVIC 2000 6.G Workshop Manual

Indicators (cont'd)
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YEL
YEL
FUSE 2sUETER7.54
.I UNDER-DASH
IFUSE/RELAY
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See PowerDistribution,page 10€.
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?-(: i#i',du), c401 ^t,a PHOfO 1J6I pHOfO 57 v"r vlEW 58
'99- 00 vehicles pre-wired foraccessory security system
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t--J-------Lfe---t---- ---JB8Y BsY B3YB8Y BsY -___B_3_Y_
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i "Lu,"r" ! rc;1rg (oPrroN) """"";:"J; !H;fi;"";Jt"'
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See Low See Brake 6 Zl C503Fuel lndicator System ]l Paoro o'Light Inbicator ,____l_'':Y":-, BLU BLK ll _... _.._ q SECURTW SYSTEM, I BLU'BLK .. BLU/8!K : nourpcrrip
Coupe and Sedan
'96197 models
"ar,"a^ fi
'tg::1",,,
BLU/BLK
Jf v/Er,! e'98-'00 models
TRUNK LATCHSWITCHClosed withtrunk open.
"arr"a*l
qF*til'-""
* = Male-Femaleterminals reversedfor'99-'00 models
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80-2

Gauges (cont'd)
- How the Gircuit Works
When the ignition switch is in ON (ll) or START (lll),
battery voltage is supplied through fuse 25 to the
gauges in the gauge assembly.
Speedometer and Odometer
The odometer and soeedometer drive circuits
receive pulses from the vehicle speed sensor
(VSS). The pulse rate increases as the car
accelerates. The frequency and duration of these
input pulses are measured and displayed by the
speedometer, odometer and tripmeter.
Tachometer
The tachometer drive circuit receives pulses from
the ignition control module (lCM) in the distributor
assembly or the ECM/PCM. The solid-state
lachometer then displays these pulses as engine
speed. For each 200 pulses per minute from the
ignition control modul€ (lCM) or the ECM/PCM, the
tachometer displays 100 RPM.
Engine Coolant Temperature Gauge
The engine coolant temperature gauge has two
intersecting coils wound around a permanent
magnet rotor. Voltage applied to the coils, through
fuse 25, generates a magnetic lield. The magnetic
field, controlled by the coolant temperature sending
unit, causes the rotor to rotate and the gauge
needle to move. As the resistance in the sending
unit varies, current through the gauge coils
changes. The gauge needle moves toward the coil
with the strongest magnetic field.
The 6ngine coolant temperature sending unit's
resistance varies from about 137 ohms at low
engine temperature to between 3H6 ohms at high
temperature (radiator fan running).
Refer to the Service Manual (Section 23, Electrical)
for specific tests or troubleshooting procedures.
81-2
(
Fuel Gauge (All except cX)
The fuel gauge has two intersecting coils wound
around a permanent magnet rotor. Voltage applied
to the coils, through tuse 25, generates a magnetic
field. The magnetic field, controlled by the fuel
gauge sending unit, causes the rotor to rotate and
the gauge needle to move. As the resislance in the
sending unit varies, current through the gauge coils
changes. The gauge needle moves toward the coil
with the strongest magnetic field.
The fuel gauge sending unit's resistance varies
from about 2-5 ohms at full, to about 110 ohms at
empty. When you turn the ignition switch off, the
gauge remains at the last reading until you turn the
ignition switch to ON (ll) or START (lll) again,
Refer to the Service Manual (Section 23, Electrical)
for specific tests or troubleshooting procedures.
Fuel Gauge (GX)
The fuel gauge has two intersecting coils wound
around a permanent magnet rotor. Voltage applied
to the coils, through fuse 25, generates a magnetic
field. The magnetic field, controlled by the PCM,
causes the rotor to rotate and the gauge needle to
move. The PCM calculates the gas quantity in the
fuel tank by using the fuel pressure value detected
by the tuel tank pressure sensor and the fuel
temperature value detected by the fuel tank
temperalure sensor, and outputs the signal to the
gauge assembly. The gauge needle moves toward
the coil with the strongest magnetic field.
When you turn the ignition switch off , the gauge
remains at the last reading until you turn the ignition
switch to ON (ll) or START (lll) again. When the
PCM detects a malfunction with the fuel pressure or
temperature, or detects a gas leak, the PCM
reduces the fuel meter to 0.
Refer to the Service Manual GX Supplement
(Section 11 , Fuel and Emissions) for specific tests
or troubleshooting procedures.
a
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rT---'- UNDER.DASHI I FU3E25 I FUSE/RELAY
i i m* **J.e:1- iF,?T,'.aI l-----+ pags 1G6. IL.*--------J
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- Allexcept CW
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See A"|TControls
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- Pag€ 105'
:I GAUGEI ASSEMBLY
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aA11
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arLa
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BLVBLU
BlVBIU
Bu( lFBLU ISeelnterlockSystem
BLX/BLU
Ga rryvST
A/TGEARPOSTTTONSWITCH
: S€e GfoundI Disribution,- paga r.l- /.
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= G401
S€e Cruise Conbol
See GmundDistrihJtion,page 1+5.c433
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ALK
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BLK
See Dash andConsole Lights
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BEO I AED/BLX I
ITAJA AZ t
S€e A,/TControls
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A/T Gear Position Indicator (conrd)
- How the Circuit Works
With the ignition switch in ON (ll) or START (lll),
voltage is applied to the A,/T gear position indicator.
The A,/T gear position switch provides a ground for
each position. As an input is grounded, its indicator
light comes on. lf you select R, for example, ground
will be provided to the input of the A,/T gear position
indicato( and the R indicator will come on.
With the headlight switch in PARK or HEAD, voltage
is applied to the RED/BLK wire terminal. This
changes the indicator panel illumination from fixed
to controlled by the dash lights dimmer input
through the RED wire.
When the powertrain (all except '96-'98 CVT) or
transmission ('96198 CVT) control module (PCM or
TCM) detects an abnormality in the automatic
transmission control system, or when you request
diagnostic trouble codes through the service check
connector, the PCM or TCM will make the D4 (D for
CVT) indicator light blink.
Refer to the Service Manual (Section 14,
Automatic Transmission) for specific tests or
troubleshooting procedures.
\ia
89-2

Front WiperMasher (cont'd)
- How the Circuit Works
When the ignition switch is in ON (ll) or START (lll),
battery voltage is applied to lhe combination wiper
switch. and the windshield wiDer motor.
Low Speed
When you turn the wiper switch to LO, the wiper
motor's low speed winding is grounded through the
BLU wire and the LO speed contacts of the wip€r
switch at G401, and the wipers run at low speed.
ParUOfl
When you turn the wiper switch OFF, the integrated
control unit (PARK input) grounds the wiper motor
through the BLUMHT wire. The cam switch on the
motor signals the integrated control unit that the
wipers are in the PARK position; the control unit
then removes ground from the motor, and the
wipers stop in the PARK position.
High Speed
When the wiper switch is in Hl, the high speed
windings of the windshield wiper motor are
grounded through the BLUIrEL wire and the Hl
contacts of the wiper switch at G401, and the
wipers run at high speed.
Intermittent
When the wiper switch is in lNT, battery voltage is
applied through the YEUBLU wire to the integrated
control unit (lntermittent wiper ON input). The
integrated control unit (lnt€rmittenvPark Wiper
Control) grounds the low speed windings of the
wiper motor and the wipers make a single sweep
every few seconds (See Low Speed above). When
the wiper retums to the PARK position, the park
switch applies battery voltage through the
BLUMHT wire to the integrated control unit (PARK
input), and the wipers stop in the PARK position.
Mist
When you pull the wiper switch down to MIST
position, the high speed windings ot the wiper motor
are grounded through the BLU^/EL wire and the
closed contacts ot the mist switch at G401, and the
wipers make one pass across the windshield at high
speed. The ParUOff function then takes over and
the wipers stop in the PARK position.
Washel
When you pull the wiper switch toward you to turn
on the washer switch, battery vollage is applied to
the washer motor. The motor pumps fluid onto the
windshield until you release the lever; on '98r99
models, the integrated control unit (windshield
washer ON input) s€nses power at the WHT/BLK
wire terminal and runs the wipers whenever the
washer motor runs.
Refer lo the Service Manual (Seclion 23, Electrical)
for specific tests or troubleshooting procedures.
91-2

Headlight Switch
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UNOER-OASHFUSEiRELAY BOXPHOTO 58
Sse PowerDisiribution,page 10-12-
UNDER-HOODFUSE/RELAYBOX
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FUSE 22L H/ILOIY SEAflt0a
COMBINATIONLIGHTswtTcHHead-lightSwltch
L-----J'SeePower' Distribution,
: Page 10-12.
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- -I DAYTIME
IRUNNINGI LIGHTS
! RESTSTOR'- Paqe 110-13
100

UNDER.DASHFUSE/RELAYBOXPHOTO 58
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OASH LIGHTBRIGHTNESSCONTROLLERPage 114-1
(cont'd)
FIJSE l0
100-1

100-2
Headlight Switch (cont'd)
-.I UNDER.DASHRom UderdashFur€/Bslay 8ox orprevrous prge.
- - -ri-Y c421 13 Y C5s1'- ll PHoro 63 ll esoro6J
neoialx I u/EW 50 BEDelfi i v'Edu7
'f ---- Hatchback l, Coupe and Sedan
c2o1 : I !'--'l Itlt5i:^- :i"'oYizt i i Iri"Je'tl
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: tr_ _ _ _ _ _ _ _ _ _Y::_ _ _ _ _:
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LEFTBRAKELIGHT/TAILLIGHTPage 110-5
9('99100 models 18)
FED/BLK
RIGHTTAILLIGHTPage 110-5
c562 .
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RIGHTBRAKELIGHT/TAILLIGHTPage 110-5
LEFTLICENSEPLATELIGHTPage ! 10-5
for '99-'00 models
FUSE/RELAYBOX
1(cruise 3)c604 5
FEO/BLK
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LEFTTAILLIGHTPage 110-5
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LEFT FRONTPARKING/TURNSIGNALLIGHTPage 110-2
RIGHTLICENSEPLATELIGHTPage 110-5
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RIGHT FRONTPARKING/TURN SIGNALLIGHTPage 1l0-2

Back-Up Lights
- Coupe and Sedan
*=Male-Female
terminals reversedfor '99100 models
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YEURED
UNDER.DASHFUSE/RELAYBOXPHOfO 58
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15('99-'00 except D16Y5 6)
YEL
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GRN/BLK
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c124PHOTO 31PHOrO 150 (Si)
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BACK-UPLIGHT SWITCHClosed withtransmissionin reverse.
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110
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Hatchback
tr@
UNDER-DASHFUSE/RELAYBOX
YEVRED
15('99-'00 D16Y7 6)
YEL
GRN/BLK
GFN/BLK
1
GRN/BLK
14(99-'00 D16Y718)
GBN/ALK
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POSTTTONswrTcH
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12('99100 models 16)
GFN/BLK
4('99-'00 models 19)
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c552 rPHOTO 101vlEW 42
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terminals reversedtor '99' 00 models
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110-1