battery HONDA INTEGRA 1998 4.G Workshop Manual

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Power Distribution schematics show how power is supplied from the positive battery terminal to
various circuits in the car. Refer to the Power Distribution section to get a more detailed picture
of how power is supplied to the circuit you're working on.
From Battery to lgnition Switch, Fuses, and Relays
lndividual circuit schematics begin with a fuse. The first half of Power Distribution, however,
shows the wiring "upstream" between the battery and the f uses.
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FUSE 15 Page 10'7 1
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Sa€ PowerDistribution,page 10-6.
Power Distribution Schematics
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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).
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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.
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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.
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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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- Under-hood Fuse/Relay Box
Front View
T102Oo engine wire harness)
*: Not Used
Rear View
c2l5To main wire harness
T1[ro battery)
c905[ro F/Ccompressor)clutch relay)
c2t8[fo main wire harness)Oo main
(cont'd)
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6-3

Fuse/Relay I nformation
- Under-hood Fuse/Relay Box (cont'd)
Fuse
NumberFuse NameAmpsPage
BATTERY
I INTERIOR LIGHT
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1 7.5 110-7 I
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Component or Circuil Protected
Power distribution
lgnition switch
DLC, Ceiling light, Power antenna motor (Hatchback),
Trunk/cargo area light
47
I Fl E/lvl
POWER WINDOW
I BACK UP (RADTO)
I
15 | 1 0-7 I PGM-FI main relay
Not used
Power window relay
Clock, ECM or PCM, Maintenance reminder unit, Stereo
radio cassette player, TCM ('98-'99 Models with A'/T)
7.5 |10-8
I HEADLIGHT| 40 | 10-8 | Headlights, Interlock system (A/T)
49i DR LOCK,
i suNRooF
10-9 i Moonroof
I
I RR DEFROSTER
+ B SMALL
I Rear window detogger relay
I Dash and console lights, License plate lights,
I Rear parking lights, Taillights
I HORN, STOP
i HAZARD
10-9 | Brake switch, Horn relay
i Gauge assembly ('00 Model), Hazard warning switch
40 | to t I Power door locks, Security system (option)
I HEATER MOTOR II t 0-1I Blower motor relay
20 I 10-1 ; A,/C compressor clutch relay, Condenser fan relay
i Radiator fan relay1 0-1
6-4

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- Under-hood ABS Fuse/Relay Box
c213(To main wire harness)
Fuse
Number
c903Oo ABS pump rnotor relay)
Fuse Name
ABS MOTOR FUSE
ABS 82
ABS UNIT
Component or Circuit Protected
ABS pump motor relay
ABS fail-safe relay
| 10-10 | Not used
I Not used
i ABS control unit
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CI .' IC
T5 (To battery)
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6-5

Ground-to-Components I ndex
NOTE: All ground wires are BLK unless otherwise noted.
GroundPageComponents or Circuit Grounded
Battery (BLIVYEL)
--t'I Valve cover (BRN)
G101t.+
and
14-1
Daia link connector (BRN/BLK), Engine or powertrain controt module (pct and pG2
are BLK; LG1 and LG2 are BRN/BLR, IAB controt solenoid valve (GS-B),
lmmobilizer receiver unit ('00 Model) (BRN/BLR, PGM-Ft main retay, Radiator fan
switch, Transmission control module ('98.99 Models with MD (2 BRN/BLK wires),
Vehicle speed sensor, WEC pressure switch (GS-R, Type-R)
Shielding between the ECM or PCM and these components (all have BRAIDED wires):
CKF sensor, Primary and secondary heated oxygen sensors, Knock sensor (GS-R,
Type-R), TDC/CKP/CYP sensor
Shielding between the TCM ('98-'99 Models) or PCM ('00 Model) and these components(all have BRAIDED wires): Countershaft speed sensor, Mainshaft speed sensor
G1s1 ii Condenser fan motor
Brake fluid level switch, Cruise control actuator, Left front parking/turn signal light, Left
front side marker light, Left headlight, Power steering pressure switch (USA), Rear
window washer motor (Hatchback), Windshield washer motor, Windshield wiper motor
14-3
Blower motor relay, ELD unit, Badiator fan motor, Right front parking/turn signal light,
Right front side marker light, Right headlight.....plus everything grounded through G401
ABS fail-safe relay, ABS pump motor
G40114-4
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A,/T gear position switch, Cigarette lighter, Clutch switch (M,/T), Ctock, Ctutch interlock
switch (MfD, Combination wiper switch (2 wires), Cruise control main switch, Cruise
control unit, Dash lights brightness controller, Data link connector, Daytime running
lights control unit (Canada), Front passenger's door key cylinder switch, Frontpassenger's door lock switch, Gauge assembly (2 wires), Glove box light, Heater
control panel, Heater tan switch, lgnition key switch, Integrated control unit, Interlock
control unit (AfI), Maintenance reminder unit, Mode control motor, Moonroof relay,
Moonroof switch, Parking pin switch (AfD, Power window relay, Rear window defogger
switch, Service check connector, Turn signal/hazard relay.....plus everything grounded
throuoh G201
Driver's door key cylinder switch, Driver's door lock actuator, Drivels door lock switch,Driver's seat belt switch, Fuel pump (BLI(/WHT), Fuel tank unit (BLI(/WHT), power doorlock control unit, Power mirror switch, Power window master switch (2 wires)
Hatch key cylinder switch, Hatch latch switch, Hatch opener actuator, Hatch ooener
switch, Left and right back-up lights, Left and right brake light/taillights, Lett and right
rear parking lights, Left and right rear turn signal lights, License plate lights, power
antenna motor, Trailer lighting connector..... plus everything grounded through G751
6-6
'14-8G503
(Sedan)
High mount brake light, Left and right back-up lights, Lett and right inner brake tighv
taillights, Left and right outer brake light/taittights, Left and right rear parking tights, Leftand right rear turn signal lights, License plate lights, Rear window detogger, Trailer
lighting connector, Trunk latch switch