2003 HONDA CIVIC Workshop Manual

Horns
1.
3.
Horn Test/Replacement
Remove the front bumper {see page 20-85).
Disconnect the 1P connector (B), and remove thehorn (A).
Test the horn by connecting battery power to the
terminal (A) and ground to the bracket (B). The horn
should sound.
4. lf it fails to sound, replace it.
22-122
1.
Horn Switch Test
Remove the steering column covers (see page '17-
9).
Disconnecl the dashboard wire harness B 5P
connector (A) from the cable reel (B).
Using a jumper wire . connect the dashboard wire
harness B 5P connector (A) No. 2 terminal to bodyground .
. lf the horns sound, goto step 4.. lf the horns do notsound, checkthese items:- Horn relay- No.7 (15A)fuse in the under-hood fuse/relay
box- Horns (see page 22-122).- An open in the wire
| ../......:....,

I
4. Reconnect the dashboard wire harness B 5P
connector {A), and disconnect the horn switch
positive 1P connector (B).
Using a jumperwire, connectthe horn switch
positive 1P connector (B) to ground
. lf the horns sound, go to step 6.. lf the horns do notsound, replacethecable reel.
Reconnect the horn switch positive 1P conector (B).6,
22-123
1.Using a jumper wire, connent the steering wheel to
body ground.
Close the contacts between the horn plate and the
contact plate.
. lf the horns sound, replacethe steering column.. lf the hornsdo notsound, replacethe horn and
contact plate.
8.

Power Windows
IJComponent Location Index
DRIVER'S WINDOW MOTORTest, page 22-129
UNDER.DASHFUSE/RELAY BOX
POWER WINDOW RELAYIest, page 22-51
FRONT PASSENGER'SWINDOW MOTORTest, page 22-132
tJ
POWER WINDOW MASIER SWITCHInput Test. Daqe 22.126Test, page 22--128Replacement, page 22-133
FRONT PASSENGER'S WINDOW SWITCHInDut Tesl, paqe 22-130f est, page 22-132Beplacement, page 22-133
al.l ' -f..--.--
L-.::
22-124
\J

Circuit Diagram
tGt' Ttoit swtTcfi
'No.20il0A) : USAUNOER HMO FUSI/8tLAY 8OI
--+r o'F BTTYEL
U/lGl HOT in 0N {ll)tnd STABT {llll
WHT/BU
22-125

Power Windows
Master Switch Input Test
NOTE: The power window control unit is built into the power window master switch, and it only controls the driver'swindow operations.
1. Remove the window master switch {A) (see page 22-133).
2. Disconnect the 14P connector (B) from the master switch.
GRN/WHT
3. Inspect the co nnector and socket terminals to be sure they are all making good contact.
. lf theterminals are bent, loose orcorroded, repairthem as necessary, and recheckthe system.. lf the terminals look OK, go to step 4.
22-126

4. Withthe connector still disconnected, makethese inputtests attheconnector.
.lfanytestindicatesaproblem,findandcorrectthecause.thenrecheckthesystem.
. lf allthe inputtests prove OK, goto step 5.
5. Reconnect the 14P connector to the switch, and perform the following input tests.
.lfanytestindicatesaproblem,findandcorrectthecause,thenrecheckthesystem.
. lf all the input tests prove OK, the control unit must be faulty. Replace the power window master switch.
CavityWireTest conditionTest: Desired resultPossible cause if result is not
obtained
10BLKUnder all conditionsCheck for continuity to
grouno:
There should be continuity.
. Poor ground {G50'1). An open in the wire
14
11G RN^,^/HTlgnition switch ON (ll)Check for voltage to
ground:
There should be battery
voltage.
Blown No.6 (7.5A) fuse in
the under-dash fuse/relay
box
Blown No. 22,23 l2OA) tuse
in the under-dash fuse/
relay Dox
Faulty power window relay
Poor ground (G201)
An open in the wire
2GRN/BLK
1RED/YELConnect the No. 'l'1 and
No. 7 terminals, and the
No, 4 and No. 14 terminals,
and turn the ignition switch
oN flr).
Check for driver's window
molor operaflon:
It should run (the driver's
window moves down).
. Faulty driver's window
motor. An open in the wireRED/B LK
3BLU/REDConnect the No. 2 and No. 1
terminals, and the No. 3
and No. 10 terminals, and
turn the ignition switch ON
fi r),
Check for passenger's
window motor operation:
It should run (the
passenger's window moves
oown).
Faulty passenger's window
motor
Faulty passenger's window
swatch
An open in the wire
BLU/WHT
CavityWireTest conditionTest: Desired resultPossible cause if result is not
obtained
13ORNConnect the No. 11 and
No. 7 terminals, and the
No. 4 and No. 14 terminals,
and turn the ignition switch
oN 0r).
Check for voltage between
the No. 13 and No. 14
termtnals:
About6Vshouldbe
indicated with the driver's
window motor running.
. Faulty driver's window
molor. An open in the wire
22-127

Driver's Window Motor Test
Motor Test:
Remove the door panel (see page 20-4).
Disconnect the 4P connector (A) from the driver's
window motor.
1.
4.
Test the motor in each direction by connecting
battery power and ground according to the table.
When the motor stops running, disconnect one
lead immediatelv.
Terminal
il;;'-\2
UPeo
DOWN@e
lf the motor does not run or fails to run smoothly,
replace rL
1.
Pulser Test:
Reconnect the 4P connector to the driver's window
motor, and reconnect the 20P connector to the
power window master switch.
Connect the test leads of a voltmeter to the No, 3
and No. 4 terminals of the driver's window motor
4P connector.
Run the motor using the master switch. The
voltmeter should read about 6 V.
lf the voltage is not as specified, check for an open
in the wires. lf the wires are OK, replace the driver's
window motor.
22-129