HONDA INTEGRA 1998 4.G Workshop Manual

How To Use This Manual
Symbols
Q,(Wire Color Abbreviations
The following abbreviations are used to
identify wire colors in the circuit schematics:
BLK.... .........btack
BLU.... ......... btueBRN .... ........ brown
GRN.... ........ green
GRY .... ......... gray
LTBLU . ..... tighrbtue
LTGRN. ....ljghtgreen
ORN.... ....... orangePNK.... ..........pink
PUR .... ........ purpte
RED .... .......... redwHT... .,.......white
YEL .... ........ ye ow
A broken line means this part ot the circuit
is not shown; reler to the circuit listed for
the complete schematic.
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See GroundDistribution,page 14-1.
1G101
Where separate wires
join, only the splice is
shown; for details on
the additional wiring,
refer to the circuits
listed.i-l{:i
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UNDER.DASHFUSE/RELAYBOX
Wires
A wavy line at the end of
a wrre means the wire is
broken by the binding of
the book or by a "choice"
bracket but continues on
the next page.
Wire insulation can be
one color, or one color
with another color stripe.
(The second color is
the stripe.)
This circuit continues on
another page. (The arrow
shows direction of current
flow.) To follow the RED/
BLK wire in this example,
you would turn to page 23-5
and look for the "2" aftow.
This means the branch of the
wire connects to another
circuit. The arrow points to the
name of the circuit branch
where the wire continues.
BLK-Crulse Controt, QaalGauges, Indrcarors
!YEUBTK
II
Wire choices for options or
different models are labeled
and shown with a "choice"
This broken line means
both terminals are in
connector C134.
bracketlikethis
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Name of Circuit
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Connectors - "C"
The cavities (and wire terminals) in each
connector are numbered starting from the
upper left, looking at the male termlnals from
the terminal side (or looking at the female
termhaiSTiom the wire side. Both views are in
the same direction-so the numbers are the
same.) All actual cavities are numbered, even
if they have no wire terminals in them.
Wire SideolFemale Terminals
Terminal SideolMale Terminals
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The connector cavity number is listed next to
each terminal on the circuit schematic. The
cavitv/terminal shown below is #6.
FemaleTerminal
This means the connector
connecls directly to the
componenl.
This means the connector
connects to a lead (pigtail)
wired directly to the
component.
This symbol represents one
bus bar inside the cap of
a junction connector. A ...
Lrh.t'-=*nn".tor cap Icontains several bus bars, A
but only the one aflecting
that circuit will be shown. f-
--
The dots represent tabs on althe bus that the wire ,2il;;;;';;;;;;:;i;
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Remaining wires to see Gauses
the same bus bars
are represented by
a broken line.
Splices
SDlices are shown as a dot. Their location
and the number of wires may vary
depending on the harness manuJacturer.
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Components
A solid border line means the
entire component is shown.
A broken border line indicates
that only part of the component
rs snown.
ll
tl
The name of the
component appears nexl
to its upper right corner
followed by notes about
its f unction.
BRAKEswrTcHClosed withpedaldepressed.

How To Use This Manual
Symbols
Ground - "G"
This symbol means the end of
the wire is attached (grounded) Ito the car frame or to a metal Ipart connected to the f rame. \I orol
,
Each wire ground (G) ," -/numbered for reference.
Q,(Switches
These switches move
together; the broken straight
line between them means thev
are mechanically connected.
Other types of switches are
controlled by a coil or a solid
state circuit. Unless otherwise
noted, all switches are shown
in their normal (rest) position,
with power off .
This ground symbol (dot
and 3 lines) overlapping the
component means the housing
of the component is grounded
to the car f rame or to a metal
part connected to the f rame.
This symbol represents
the bus bar inside a ground
connector. The dots a
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lermtnals connectto. -'--'-:t"'--------<
The ground symbol (large dot)
: Gsoo
is the connection between the
bus bar and metal (grounded)
part of the car.
Terminals - "T"
m
ffi
Solid-state
Fuses
This means power is supplied
when the ignition switch is in ON (ll).
Diodes
A rectifier diode works like a one
way valve. lt allows current to
flow only in the dlrection of the
arrow.
A Zener diode blocks reverse
currenl at normal voltages just like
a rectifier diode. At high voltages,
however, a Zener diode allows
current to flow in reverse.
Q,(
Each 'T" terminal (ring type)
is numbered for reference ano
location. A "T" terminal is
secured with a screw or bolt.
Shielding
This represents RFI
(Radio Frequency
Interf erence) shielding
around a wire. The
shielding is always
connected to ground.
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Five-Step Troubleshooting
1. Verify The Complaint
Turn on all the components in the problem
circuit to check the accuracy of the customer
complaint. Note the symptoms. Do not begin
disassembly or testing until you have
narrowed down the Problem area.
2. Analyze The Schematic
Look up the schematlc for the problem
circuit. Determine how the circuit is
supposed to work by tracing the current
paths from the power source through the
circuit components to ground. Also, trace
circuits that share wiring with the problem
circuit. The names of circuits that share the
same fuse, ground, or switch, and so on' are
referred to in each circuit schematic. Try to
operate any shared circuits you didn't check
in steo 1. lf the shared circuits work, the
shared wiring is OK, and the cause must be
in the wiring used only by the problem
circuit. lf several circuits fail at the same
time, the fuse or ground is a likely cause.
Based on the symptoms and Your
understanding of the circuit's operation,
identify one or more possible causes.
3. lsolate The Problem By Testing The Circuit
Make circuit tests to check the diagnosis
you made in step 2. Keep in mind that a
logical, simple procedure is the key to
eff icient troubleshooting. Test for the most
likely cause of failure f irst. Try to make tests
at points that are easily accessible.
4. Fix The Problem
Once the specific problem is identified,
make the repair. Be sure to use proper tools
and safe procedures.
5. Make Sure The Circuit Works
Turn on all components in the repaired
circuit in all modes to make sure you've
fixed the entife problem. lf the problem was
a blown f use, be sure to test all of the
circuits on that {use. Make sure no new
problems turn up and the original problem
does not recur.
Test Equipment
CAUTION:
Most circuits include solid-state devices.
Test the voltages in these circuits only with
a 1o-megaohm or higher impedance digital
multimeter. Never use a test light or analog
meter on citcuits that contain solid-state
devices. Damage to the devices may result.
Test Light and DVOM
On circuits without solid-state devices, use a
test light to check for voltage. A test light is
made up of a 12 volt bulb with a pair of leads
attached. After grounding one lead, touch the
other lead to various points along the circuit
where voltage should be present. The bulb
will go on i{ there is voltage at the point being
tested. lf you need to know how much
voltage is present, use a digital
volVohmmeter (DVOM).
Selt-Powered Test Light and DVOM
Use a self-powered test light to check for
continuity. This tool is made up of a light bulb,
battery, and two leads. To test it, touch the
leads together: the light should go on.
Use a self-powered test light only on an
unoowered circuit. First, disconnect the
battery, or remove the fuse that feeds the
circuit you are working on. Select two points
in the circuit between which you want to
check continuity. Connect one lead ol the
self-powered test light to each point. lf there
is continuity, the test light's circuit will be
completed, and the light will go on.
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SELF.POWERED TEST LIGHT

How To Use This Manual
Test Equipment
lf, in addition, you need to know exactly how
much resistance there is between two ooints.
use a digital volVohmmeter (DVOM).
In the "oHMS" range, the DVOM will show
resistance between two points along a circuit.
Low resistance means good continuity.
Diodes and solid-state devices in a circuit can
make a DVOM give a false reading. To check
a reading, reverse the leads, and take a
second reading. lf the readings differ, the
component is affecting the measurement.
Jumper Wire
Use a jumper wire to bypass an open circuit.
A jumper wire is made up of an in-line f use
holder connected to a set of test leads. lt
should have a tive ampere fuse. Never
connect a jumper wire across a short circuit.
The direct battery short will blow the fuse.
Short Finder (Short Circuit Locater)
Shoft linders are available to locate shorts to
ground. The short finder creates a pulsing
magnetic field in the shorted circuit which you
can follow to the location of the short. lts use
is explained on page 15.
SHORT FINDER
To order any test equipment shown above,
contact your local tool supplier. For a list of
suppliers and tool numbers, refer to Acura
Required Special Tools and Equipment
Service Bulletin.
Troubleshooting Precautions
Before Troubleshooting
1. Check the main fuse and the fuse box.
2. Check the battery for damage. state of
charge, and clean and tight connections.
CAUTION:
. Do not quick-charge a battery unless
the battery ground cable has been
disconnected, or you will damage the
alternator diodes.
. Do not attempt to crank the engine with
the ground cable disconnected or you
will severely damage the wiring.
While You're Working
1. Make sure connectors are clean, and have
no loose terminals or receotacles.
2. Make sure multiple terminal connectors are
packed with dielectric (silicone) grease.
Part Number: 08798-9001 .
Pack with dielectric (silicone) grease
When connecting a connector, push it until it
clicks into olace.
Do not pull on the wires when
disconnecting a connector. Pull
only on the connector housings.
Most circuits include solid-state
devices. Test the voltages in these
circuits only with a 1o-megaohm or
higher impedance digital multimeter.
Never use a test light or analog meter
on circuits that contain solid-state
devices. Damage to the devices
may result.
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Troubleshooting Tests
Testing for Voltage
When testing for voltage at a connector
without wire seals, you do not have to
seoarate the two halves of the connector.
lnstead. orobe the connector from the back
Always check both sides of the connector
because dirty, corroded, and bent terminals
can cause problems (no electrical contact =
an open).
1. Connect one lead of the test light to a
known good ground, or, if you're using a
digital volt ohmmeter (DVOM), place it in
the appropriate DC volts range, and
connect its negative lead to ground.
Connect the other lead of the test light or
DVOM to the point you want to checK.
lf the test light glows, there is voltage
presenl. lf you're using a DVOM, note the
voltage reading. lt should be within one
volt of measured battery voltage.
A loss of more than one volt indicates
a oroblem.
NOTE: Always use a DVOM on high
impedance circuits. A test light may not
glow (even with battery voltage present).
connecthe,e [fl5Bi'
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Testing for Continuity
When testing for continuity at a connector
without wire seals, you do not have to
separate the two halves of lhe connector'
lnstead. orobe the connector from the back.
Always check both sides of the connectol
because dirty. corroded. and bent terminals
can cause problems (no electrical contact =
an open).
1. Disconnect the negative cable from the car
battery. lf you're using a DVOM, place it in
the lowest "OHMS" range.
2. Connect one lead of a self-powered test
light or DVOM to one end of the part of the
circuit vou want to test.
Connect the other lead to the other end.
lf the seltpowered test light glows, there is
continuity. l{ you're using a DVOM, a low
reading or no reading (zero), means
good continuity.

How To Use This Manual
Troubleshooting Tests
Testing for Voltage Drop
Wires, connectors, and switches are designed
to conduct current with a minimum loss of
voltage. A voltage drop of more than one volt
indicates a oroblem.
1. Place the digital volvohmmeter (DVOM) in
the appropriate DC volts range. Connect
the positive lead to the end of the wire
(or to the connector or switch) closest to
the battery.
Connect the negative lead to the other
end of the wire (or the other side of the
connector or switch).
Turn on the components in the circuit.
The DVOM will show the difference
in voltage between the two points. A
difference, or drop, of more than one
volt indicates a oroblem. Check the
circuit for loose, dirty, or bent terminals.
sl'o""o'o
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t;tTesting tor a Short to Ground with a Test
Light or DVOM
1. Remove the blown fuse and disconnect
the load.
2. Connect a test light or digital volvohmmeter
(DVOM), switched to the appropriate DC
volts range, across the fuse terminals to
make sure voltage is present. You might
have to turn the ignition switch to ON;
check the schematic to see.
<_SHOFTTOGFOUND
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Disconnect theload here.
SOLENOID
Beginning near the f use box, wiggle the
harness. Continue this at convenient ooints
about six inches apart while watching the
test light or DVOM.
Where the test light goes off, or the DVOM
voltage drops to zero, there is a short to
ground in the wiring near that point.
NOTE: Always use a DVOM on high
impedance crrcuits. A test light may not
glow (even with battery voltage present).
TEST LIGHTolOVOM

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Testing for a Short to Ground with a
Self-Powered Test Light or DVOM
1. Remove the blown fuse and disconnect
the battery and load.
2. Connect one lead of a self-powered test
light or digital volvohmmeter (DVOM)
(switched to the lowest "OHMS' range) to
the fuse terminal on the load side.
Disconnect the battery
FUSEBOXRemove the tuse,
<- li9T:oGFOUND
Disconnect theload here.
.aa'
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Connect the other lead to a known
good ground.
Beginning near the fuse box, wiggle the
harness. Continue this at convenient
points about six inches apart while
watching the test light or DVOM.
lf the self-powered test light goes on or
the DVOM displays a low reading or no
reading (zero), there is a short to ground
in the wiring near that Point.
SELF-POWEREDTEST LIGHTorDVOM
A
5.
Testing lor a Short with a Short Circuit
Locator (Short Finder)
1. Remove the blown fuse. Leave the
battery connected.
2. Connect the short finder across the battery
terminals and the load (component) side of
the Juse terminal.
BATTERY
SHORTFINDER
...untiltheneedle stopsmoving.
3. Close all switches in the circuit
you're testing.
MErER 18
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How To Use This Manual
Troubleshooting Tests (cont'd)
4. Turn on the shon finder. This creates a
pulsing magnetic f ield around the wiring
between the fuse box and the short.
5. Beginning at the fuse box, slowly move
the short finder along the circuit wiring.
The meter will show current oulses
through sheet metal and body trim. As
long as the meter is between the fuse and
the short, the needle will move with each
current pulse. Once you move the meter
past the point of the short, the needle will
stop moving. Check the wiring and
connectors in this area to locate the cause
of the short.
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Fuse/Relay Information
- Under-dash Fuse/Relay Box
Front Viewt4
c55't(To dashboard wire harness)
c661(To root wire harness)
c801Oo SFIS main harness)c922(To ignition switch)
c440{To rrain wire harness)
c441(To main wire harness)
c442flo rra n wire harness)
c92sOo power window relay)
c928(Not used)
Rear View
c504(To rear wire harness)
c503. : Spare fuser : Not UsedO : Option (+B)
O : Option (Dash lights)O : Option (ACC)
O : Option (lG2)c439(To main wire harness)
6
-) n Fl r"r r'r rl r-l r-r ri r'1 Tl rl r-1. 23 24 25 26 27 2a 29 30 31 32 33t_-.1 u u ! tJ LJ Ll t. Ll tJ l. tJ
- r-l n T'l T-l r't T-1 T-t r-l T-t r-l r'1.12 13 14 15 16 17 18 19 2A 21 22LI tJ LJ LI tJ I.J t-J tJ IJ IJ IJ I.J
r-r Tl l;t T'l T-l T'1 rn r-l T-t r'l T1 Tl r'1 n. 1 2 3 4 5 6 7 I 9 10 11 . .t-l LJ LJ LJ LJ [J t-t LJ Ll LJ t_l t-J Lr u
(To rear wire harness)