2003 HONDA CIVIC door

I
5. With the connectors stilldisconnected, make these input tests at the connector'
. lf anv test indicates a problem, find and correct the cause, then recheck the system. lf all the inpul tests prove OK, go to step 6.
6.Reconnect the connectors to the under dash fuse/relaV box, and make these input tests at the appropriate connectors on the under-dash
fuse/relay box.
.lfanytestindicatesaproblem,findandcorrectthecause,thenrecheckthesystem..lfalltheinputtestsproveOK,themultiplexcontrolunitmustbefaulty.Replacetheunder'dashfuse/relaYboxassemblY
CavitvWireTest conditionTest: Desired resultPossible cquse il result is not obtained
K28LU/ORNlJnder allconditionsCheck for continuity between the K2terminal and the keyless receiverunit 5P connector No. 2 terminal:There should be continuitv.
An open in the wire
o7GRN/REDCejling light switch inmiddle position.Attach to ground:Ceiling light(s)should come on.Blown No. 3 (7.5A) fuse in the under hood
Blown bulbFaulty ceiling lightAn ooen in the wire
X8WHT/BLKUnder allconditionsAttach to ground:lgnition key light should come on.Elown No.3 (7.5A)fuse in the under hoodfuse/relay boxFaulty ignition key light (LED)
An ooen in the wire
CavitvWireTest conditionTest: Desired resultPosq!!!c sq!!ej1!.9!!!!j €d
P18REDHatch openCheck for voltage to ground:There should be 1 V or less.Poor ground (G552)
Fauhy hatch latch switchAn open inthewire
Hatch closedCheck for voltage to ground:There should be 5 v or more.Faulty hatch latch switchShortto oround
Q3GRNDriver's door openCheck for voltage to ground:There should be 1 V or less.Faulty drlver's door switchAn oDen in the wire
Driver's door closedCheck for voltage to ground:Thar. shoul.l he 5 V or more.Faulty driver's door switch
o4LT GRN/BED
RED^vHT
Passenger's doorCheck for voltage to ground:There should be 1 V or less.
' Faulty passenger's door switch' An onen inthewire
Passenger's doorcroseoCheckfor voltage to ground:There should be 5 Vor more.
. Faulty passenger's door switch. Shor o oround
X5lgnition key insertedinto the ignitionCheck for voltage to ground:There should be 1 V or less.Poor ground (G401)
Faulty ignition key switchAn ooen in the wire
lgnition key removedfrom the ignitionCheck for voltage to ground:There should be 5 V or more.Faulty ignition key switchShort to ground
Y8YEUREDDriver's door lockknob switch lockedCheck for voltage to ground:There should be 1 V or less.Poor ground {G501)Faulty driver's door lock knob switchAn ooen in the wire
Driver's door lockkn6h cwirch Inl6cke.lCheck for voltage to ground:There should be 5 V or more.Faulty driver's door lock knob switchShort to oround
22-93

Audio System
Component Location Index
AUOIO UNITRemoval/f nstallation, Daoe 22-100Connector Terminals, pa-ge 22-101
RIGHT DOOB TWEETERReplacement, page 22-102
ANTENNA SUB LEAD
DRIVER'S DOOR SPEAKERReplacement, page 22 102
ROOF ANTENNAReplacement, page 22-'1 03
RIGHT REAR SPEAKERReplacement, page 22-102
LEFT REAR SPEAKERReplacement, page 22-102
ANTENNA LEAD
22-98

tCircuit Diagram
' No.20ioA) :USA
/ 8AT \--------F f!t- WHT/FED ACC /
ACC HoTinACC lllmd0N llll
AUDIO UflIT
t-ra-r:-raOe?a
DRIVER'SDOORSPEArcFIEFITWEETERPASSE!{GIF'S SIGIITTWEETEBDOOB SPEAKESLEFTFEAB NrcBTREAFSPEA(I8 SPEAKEF
22-99

Audio Unit Connector Replacement
CavityWireConnects to
1YEUG RNRoof antenna
2YEUREDACC (Power)
3Not used
4Not used
5PNKRioht rear sDeaker (+I
6BLU^/vHTLeft rear sDeaker (+)
7GRN/YELFront oassenqer's door sDeaker {+)/Riqht tweeter (+)
8G RN/BLKDriver's door speaker { + )/Left tweeter (+ )
9RED/BLKLiqhts on siqnal
10WHT/REDConstant power
11Not used
12Not used
Not used
14Not used
taB LU/YE LRioht rear soeaker (-
toBLU/BLKLeft rear sDeaker (
11GRY/REDFront passenqer's door speaker ( )/Riqhttweeter {
18LT GRNDriver's door sDeaker ( )/Left tweetr ( -
19REDDash liqhts briqhtness controller
20BLKG round (G503)
AUDIO UNIT 2OP CONNECTOR
22-101

Audio System
Speaker Replacement
Door Speaker:
1. Remove the door panel (seepage20-4).
2. Pull the top of the speaker {A) straight out, just
enough to release the upper clip. lf you pull the
speaker out too far, you will damage the lower clips(C). Then lifi the speaker straight up to release the
lower clips.
3. Disconnect the 2P connector (B), and remove the
speaKer.
Tweeter:
Carefully pry the tweeter (A) out of the mirror mount
cover, then disconnect the 2P connector (B) from the
tweeter.
'-----d
22-102
Rear:
1.Remove the speaker cover (A).
Remove the three screws, then disconnect the 2P
connector (B) from the speaker (C).
2.

1.
2.
3.
Power Mirror Switch Test
Remove the driver's pocket (see page 20-60).
Reach through the pocket opening, and push out
the power mirror switch (A).
Disconnect the 13P connector (B) f rom the switch.
Check for continuity between the terminals in each
switch position according to the table.
Mirror Switch:
\.f9.-'"1L
Position256 1011 1213
UPCF--o
o-o
o-
G-c)o
o-o-
-o
!
RIGHT-o
o-o
UP
"[T
RIGHT
Defogger Switch (Canadal:
Te.minal
il;;; tlfI8
ONoo
OFF
lf the continuity is not as specified, replace thepower mirror switch.
5.
22-117
1,
2.
Power Mirror Actuator Test
Remove the door panel (see page 20-4).
Disconnect the 6P connector (A) from the power
mirror actuator (B).
Check actuator operation by connecting power and
ground according to the table.
Terminal
Position64
TILT UPoo
TILT DOWNo
SWING LEFTo@
SWING RIGHT@
4. lf the mirror fails to work properly, replace the
mtrror actuator.
Defogger Test {Canada);
5. Check for continuity between the No. 1and No.2
terminals of the 6P connector. There should be
continuity. lf there is no continuity, check for an
open circuit.

10. lnsert the terminals into the connector in the
original arrangement as shown below.
LEFT MIRROR CONNECTOR RIGHT MIRROR CONNECTOR
Wire side of female terminals*:Canada
'l'1. Reassemble in the reverse order of disassembly.
Be careful not to break the mirror holder when
reinstalling it to the actuator.
Reinstallthe mirror assembly on the door.
Operate the power mirror to ensure smooth
operation.
12.
tJ.
22-119

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