2003 HONDA CIVIC ERS

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
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Wipers/Washers
Component Location Index
WINDSHIELD WIPER MOTORTest, page 22-'143Replacement, page 22-145
WINDSHIELD WIPER ARMS and LINKAGEReplacement, page 22-'145
WIPER/WASHER SWITCHTest, page 22-140Replacement,page 22 140
UNDER.DASHFUSE/RELAY BOX
INTERMITTENT WIPER CIRCUITlln the multiplex control unit)Input Test, page 22-138
22-134

Wipers/Washers
Circuit Diagram - Windshield
UNOEN HOOD FL]SE/8ELAY BOX IGNITIONSWITCN'7{ F;^--il I 6\
U-I^-- -':-;--u,Hr-
o,f-''*""
\1
L\'
MULTIPIIXcoiln0LUNIT
22-136
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Wipers/Washers
1.
2.
Rear Window Wiper Intermittent Gontrol Unit Input Test
Remove the right rear side trim panel {see page 20-51).
Disconnect the 20P connector (A) from the rear window.wiDer intermittent control unit (B).
Inspect the connector and socket terminals to be sure they are all making good contact.
. lf the terminals are bent, loose orcorroded, repairthem as necessary, and recheckthe system.. lf the terminals look OK, go to step 4.
Wire side of female terminals
LTGRN/REO WHT/RED LT GRNWHT/RED
LT GRN/BLK
22-138

Wipers/Washers
1.
Wiper/Washer Switch Test/Replacement
Remove the driver's dashboard lower cover {see page 20-60).
Remove the steering column covers (see page 17-9).
Disconnecl the 14P connector (A) from the wiper/washer switch {B)
Remove the two screws, then pull out the wiper/washer switch.
Inspect the connector terminals to be sure they are all making good contact.
. lf the terminals are bent, loose or corroded, repairthem as necessary, and recheck the system..lftheterminalslookOK,checkforcontinuitybetweentheterminalsineachswitchpositlonaccordingtothe
tables,- lf the continuity is not as speciiied, replace the switch.
Terminal
Position6414l21211
OFFo--{
tNlo-
LOo-
HI
Mist switch ONr
Washor 3witch ON
22-140
J

Wipers/Washers
Control Unit Input Test (cont'dl
5. Reconnect the connectors, and make these input tests at the connector.
.lfanytestindicatesaproblem,findandcorrectthecause,thenrecheckthesystem.
.lfalltheinputtestsproveOK,themultiplexcontrol unit must be faulty. Replace the under-dash fuse/relay box
assembly.
CavityWireTest conditionTest: Desired resultPossible cause if result is not obtained
J4BLKU nder all
conditlons
Check for voltage to ground: . Poor ground (G501)
There should be 1V or less. . AnoDeninthewire
Y6BLKU nder all
conditions
Check for voltage to ground: . Poor ground (G502)
There should be 1 V or less. . An oDen in the wire
BIWHTiBLUlgnition switch ON
{ll) and washer
switch ON
Check for voltage to ground:
There should be battery
vortage.
Blown No. 20 (20A) fuse in the
under-dash fuse/relay box
Faulty wiper/washer switch
An open in the wire
E'0BLU/REDlgnition switch ON
(ll) and wiper
switch OFF (wiper
motor stopped)
Check for voltage to ground:
There should be battery
voltage.
Blown No. 20 (20A) fuse in the
under-dash fuse/relay box
Faulty wiper/washer switch
Faulty windshield wiper motor
An open in the wire
G7BLUA/VHTlgnition switch ON(ll) and wipers in
park position
Check for voltage to ground:
There should be battery
voltage.
Blown No.20 (20A)fuse in the
under-dash fuse/relay box
Faulty windshield wiper motor
An ooen in the wire
x1BLU/BLKlgnition switch ON(ll) and wiper
switch in INT
Check for voltage to ground:
There should be battery
voltage.
Blown No.20 (20A)fuse in the
under-dash fuse/relay box
Faulty wiper/washer switch
An oDen in the wire
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22-142
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Wipers/Washers
Washer Motor Test
1. Partially remove the right inner fender (see page
20-'t021.
2. Disconnect the 2P connectors (A) from the washer
motors (B).
Test the washer motor by connecting battery
power and ground according to the lable.
Terminal
Battery12
Connected@o
4. lf the motor does not run, replace it,
22-144
Washer Fluid Level Switch Test/
Replacement - Canada
1.
3.
4.
Partially remove the right inner fender (see page
20-102).
Disconnect the 2P connector {A) from the washer
level switch.
Remove the washer fluid level switch from the
reservoir.
NOTE: Fluid may flow out the opening.
Check for continuity between the terminals in each
float (B) position according to the table.
Terminal
Position2
FLOAT UP
FLOAT DOWNo----o
lf the continuity is not as specified. replace the
swtTcn.

Windshield Wiper Motor Replacement
1.Open the hood. Remove the nuts (A) and the
windshield wiper arms (B).
Remove the hood seal and cowl cover.
Djsconnect the 5P connector (A) from the wiper
motor (B).
9.8 N.m (1.0
Remove the bolts (C), move windshield wiper
linkage assembly {D)toward the passenger's side
of the vehicle until it slides off of the pin (E), then
remove the assembly.
5. Scribe a line (A) across the link and wlndshield
wiper linkage to show the original adjustment.
Separate the windshield wiper linkage (B) from the
wiper motor (C).
N.m(3.2 ksf.m, 23 lbt.ft)
Install in the reverse order of removal, and note
lhese items.
Apply multipurpose grease to the moving parts.
Before reinstalling the wiper arms, turn the wiper
switch ON, then OFF to return the wiper shafts tothe oark oosition.
lf necessary, replace any damaged clips,
Check the wioer motor oDeration.
22-145