2003 HONDA CIVIC 20-63

Fuel and Emissions Systems
General Troubleshooting Information (cont'dl
How to Reset the ECM
You can reset the ECM in either of two ways:
. Use the OBD ll scantool or Honda PGMTesterto
reset the ECM memory.
See the OBD ll scan tool or Honda PGI\4 Tester user's
manuals for specific instructions.' Turn the ignition switch OFF, and remove the No. 6
ECU {ECM} (15A) fuse (A)from the under-hood fuse/
relav box (Blfor 10 seconds.
How to End a Troubleshooting Session
(required after any troubleshootingl
1. Reset the ECM as described above.
2. Do the ECM idle learn procedure (see page 11-139)
3. Turn the ignition switch OFF.
4. Disconnectthe OBD ll scan tool or Honda PGM
Tester from the DLC.
NOTE: The ECM is part of the immobilizer system.
lf vou replace the ECM, it will have a different
immobilizer code. In order for the engine to start,
you must rewrite the immobilizer code with the
Honda PGM Tester.
11-4
\- ta
J
How to Remove the ECM for Testing
1. Remove the passenger's dashboard lower cover
{see page 20-63), the passenger's kick panel (see
page 20-63), and the glove box (see page 20-63).
2. Remove the ECM mounting bolts (B) and the ECM
(c),
9.8 N.m{1.0 kgf.m,7.2lbt.ft}
3. Remove the ECM (B).
4. Installthe ECM in the reverse order of removal.
L

DTC P0563: ECM Power Source Circuit
U nexpected Voltage
1. Reset the ECI\4 {see page l1-4}.
2. Turn the ignition switch OFF.
3. Wait 5 seconds.
4. Turn the ignition switch ON {lll.
ls DTC P0563 indicated?
YES Go to step 5.
NO-lntermiltent failure, system is OK at this time.
Check for poor connections or loose terminals at
the No. 6 ECU (ECM) {15 A) fuse in the under-hood
fuse/relay box and at the ECM.I
Turn the ignition switch OFF.
Disconnect ECI\4 connector E {31P).
Turn the ignition switch ON (ll).
lvleasure voltage between ECM connector terminal
E7 and body ground.
6.
7.
8.
ECM CONNECTOR E {31P}
Wire side ol remale terminals
ls there battery voltage?
YES Go to step 12.
NO Go to step 9.
MRLY
9.
10.
Remove the glove box (see page 20-63).
Remove the PGM-FI main relay 1 (A7.
Check for continuity between ECM connector
terminal E7 and body ground.
ECM CONNECTOR E 131P)
MRLY{RED/YEL)
Wire side of {emale terminals
ls there continuity?
YES-Repair short in the wire between the ECM
{E7) and the PGM-Fl main relay 1 ,I
NO Replace the PGM-Fl main relay 1.1
Turn the ignition suitch OFF.
Reconnect ECM connector E (31P).
11.
tt.
'13.
(conl'd)
11-81

PGM-FISystem
DTC Troubleshooting (cont'dl
14. Measure voltage between ECM connector terminal
E7 and body ground.
ECM CONNECTOR E 13lPI
MRLYIBEO/YEL)
Wire side of female terminals
ls there battery voltage?
YES Go to step 15.
NO-Update the ECM if it does not have the latest
software, or substitute a known-good EClvl, then
recheck (see page 11-6). lf the symptom/indication
goes away with a known-good ECM, replace the
original ECM.I
Disconnect ECI\4 connector A (31P).
Turn the ignition switch ON (ll).
Measure voltage between body ground and ECIM
connector terminals 43 and 42 individually.
ECM CONNECTOR A {3.IP)
IGP2 IGP1(YEI./BLX) (YEL/BLKI
Wire side of female lerminals
ls there battery voltage?
YES-Go to step 18.
NO Update the ECM if it does not have the latest
software, or substitute a known-good ECM, then
recheck (see page 11-6). lf the symptom/indication
goes away with a known-good ECM, replace the
original ECM/PCl\4.1
15.
to.
17.
11-82
18.
19.
Remove the glove box (see page 20-63).
Remove the PGM-FI main relay '1 {A).
Measure voltage between body ground and ECM
connector terminals A3 and A2 individually.
ECM CONNECTOR A {31PI
IGP2 IGP1(YEL/BLK) (YEL/BLK)
Wire side of female terminals
I s there battery v oltage?
YES Repair shortto power in the wire between
the ECI\4 (A2.A3) and the PGM-Fl main relay 1.1
NO Replacethe PGM Fl main relay 1.!
20.

PGM-FI System
MIL Circuit Troubleshooting (cont'dl
11.
Try to start the engine.
Does the engine start?
YES-Go to step 11.
NO-Go to step 14.
Turn the ignition switch OFF.
Connect ECM connector terminal E31 to bodyground with a jumper wire.
10.
12.
ECM CONNECTOR E 13lPI
MIL(GRN/ORN}
Wire side of female terminals
Turn the ignition switch ON (ll).
ls the M lL on?
YES Update the ECM if it does not have the latest
software, or substitute a known-good ECM, then
recheck (see page 1 1-6). lf the symptom/indication
goes away with a known-good ECIM, replace the
original ECM.I
NO-Check for an open in the wire between the
ECM (E31) and the gauge assembly. Also check for
a blown MIL bulb. lf the wires and the bulb are OK,
replace the gauge assembly.l
Turn the ignltion switch OFF,
Inspect the No. 6 ECU (ECIM) (15A) fuse in the
under-hood fuse/relay box.
ls the f use OK?
YES-Go to step 22.
NO-Go to step 16.
't 4.
15.
ll2l345617l 18I
415161,/ 1182(2t2'23 24z7l/ 12931
JUMPERWIRE
11-98
to.Remove the blown No. 6 ECU {ECfU) (154) fuse
from the under-hood fuse/relay box.
Remove the glove box (see page 20-63) and the
PGM'FI main relay 1.
Check for continuity between body ground and
PGM-Fl main relay 1 4P connector terminals No. 2
and No. 4 individuallv.
PGM-FI MAIN RELAY 14P CONNECTOR
Wrre srde ol lemale termrnals
ls there continuity?
YES-Repair short in the wire between the No.6
ECU (ECl\4) (15A) fuse and the PGM-Fl main relay 1.
Also replace the No.6 ECU (ECM) (15A) fuse.l
NO-Go to step 19.
17.
18.
fVBv) (wHr/
IA BLK)(

Fuel Pump Circuit Troubleshooting
lf you suspect a problem with the fuel pump, check that
the fuel pump actually runs; when it is on, you will hear
some noise if you listen to the fuel fill port with the fuel
fill cap removed. The fuel pump should run for 2
seconds when the ignition switch is first turned on. lf
the fuel pump does not make noise, check as follows:
1. Turn the ignition switch OFF.
2. Remove the glove box {see page 20-63), then
remove the PGM-FI main relay 2 (A).
Turn the ignition switch ON {ll).
Measure voltage between PGM-Fl main relay 2 5P
connector lerminal No. 5 and body ground.
PGM.FI MAIN RELAY 25P CONNECTOR
IGPl(YEL/BLK}
Wire side of female terminals
ls there battery voltage?
YES-Go to step 5.
NO Repair open in the wire between the PGM'Fl
main relay 1 and the PGM-Fl main relay 2.t
3.
5. N4easure voltage between PGM-Fl main relay 2 5P
connector terminal No. 1 and body ground.
PGM.FI MAIN RELAY 25P CONNECTOR
Wire side oJ female terminals
ls there battery voltage?
YES Go to step 6.
NO Repair open in the wire between the under-
dash fuse/relay box and PGM-Fl main relay 2.1
6. Turn the ignition switch OFF.
7. Disconnect ECM connector E (31P).
8. Check for continuity between PGM-FI mainrelay2
5P connector terminal No. 3 and ECM connector
terminal E1.
PGM-FI MAIN RELAY 2 5P CONNECTOB
Wire side of female terminals
ls there continuity?
YES-Go to step 9.
NO-Repair open in the wire between the PGM Fl
main relay 2 and the ECM (E1).1
IMOFPR(GBN/YEL)
(cont'd)
11-141
Et2lFtxm
7-
z
ECM CONNECTOR E 131P}

Body
DoorsComponent Location Index ...........Door Panel Removal/lnstallation .....,..........Door Outer Handle ReplacementDoor Latch ReplacementDoor Glass and RegulatorReplacementDoor Sash Trim Replacement .......................
Door Glass Outer WeatherstripReplacement
Door Weatherstrip Beplacement
Door Glass Adjustment .................................Door Position Adjustment .............................Door Striker Adiustment ................................MirrorsComponent Location Index ...........................Power Mirror Replacement ...........................Mirror Holder Replacement ...........................Rearview Mirror Rep1acement ......................
GlassComponent Location Index ...........................Windshield Replacement
Bear Window Rep1acement ...........................
Ouarter Glass Replacement ..........................MoonroofComponent Location Index ...........................Symptom Troubleshooting Index
Glass Height Adjustment ...............................
Glass ReplacementWind Def lector 8ep1acement ........................Drain Channel Rep1acement ..........................Sunshade Replacement .................................Motor ReplacementFrame and Drain Tube Replacement ............Drain Channel Slider and Cable AssemblyReplacementLimit Switch Adjustment ...............................Closino Force and ODenina Draq Check ......lnterioi TrimComponent Location Index ...........................Trim Removal/lnstallation DoorArea ..........Trim Removal/lnstallation-Rear Side AreaTrim Removal/lnstallation-Cargo Floor AreaTrim Removal/lnstallation-Hatch Area .........Headliner Removal/lnstallation* Carpet Rep1acement .......................................ConsolesConsoles, Front and RearRemova l/lnsta llationFront Console Disassembly/Reassembly .....
20-220,420-620-7
20-920 t0
20- 10
20-1120-1120-1220 13
20-1420-1520-1520-16
20 1120-1920-2520-29
20,3520-3620-3720-3120-3820 3920-4020-4120,42
20 4420-4620,44
20-4920 50
20-51
DashboardInstrument Panel Removal/lnstallation ........Driver's Dashboard Lower CoverRemovat InstallationDriver's Dashboard Under CoverRemova t Insta llation
Oriver's Pocket Removal/lnstallation ............Shift Lever Trim Removal/lnstallation ..........Center Panel Removal/lnstallation ...............Passenger's Dashboard Lower CoverRemova l/lnsta llat ionx Glove Box Removal/lnstallationDashboard Side VentRemoval/lnstallation .................................. 20-64Beverage Holder Removal/lnstallation ........ 20-64Driver'sTray Removal/lnstallation ............... 20-65Passenger's Tray Removal/lnstallation ........ 20 65* Dashboard Removal/lnstallation .................. 20-66Steerinq Hanqer Beam Reolacement ........... 20-68Seats "
Component Location Index ........................... 20-10* Front Seat Removal/lnstallation ................... 20-11* Front Seat Disassembly/Reassembly-Driver's .................................. 20-73* Front Seat Disassembly/Reassembly-Passenger's ........................... 20-74* Front Seat Cover Replacement ..................... 2O-75Rear Seat Removal/1nsta11ation ..................... 20-80Rear Seat-back Latch Replacement .............. 20-81Rear Seat-backStriker Replacement ............ 20-81
20-59
20-59
Rear Seat-back Cover Replacement ............. 20-82Rear Seat Cushion Cover Replacement ....... 20.84BumpersFront Bumper Removal/lnstallation .............Rear Bumoer Removal/lnstallation ...............HoodAdjustmentHood Seal ReplacementHood Insulator Rep1acement .........................Hatch
20-6020,6020 6120-62
20-63
20-63
20,8520-86
20-4720,8820,89
20-5220-5320-5420-55
20-5720-58
Adjustment ................... 20-90Hatch Suppon Strut Replacement ................ 20-91Hatch WeatherstriD Reo1acement ................. 20-92
Fuel Fill DoorAdiustment ................... 20-93Exterior TrimFront Grille Replacement ..............Cowl Covers Replac"rn""t .. . .....................A pillar Corner Trim Replacement ................Roof lMolding Replacement ...........................Rear License Trim ReplacementHatch Spoiler 8ep1acement ...........................Emblem Rep1acement .........................
20-9420-9520-9620-9720,9820-9920-100

4. Remove the headliner.
-1 Remove the socket plug (A).
-2 Remove the remaining door opening trim {B}
from each roof portion.
-3 Detach the clips (C), and release the fasteners
(D) by pulling the front portion ofthe headliner
(E) down.-4 With the help of an assislant, release the clips(F) of the headliner from the moonroof frame
(G), and release the headliner from the clips (H)
by sliding the headliner forward, and lowering
the headliner.-5 Remove the headliner through the passenger's
opening.
Fastener Locations
C>:Clip,3
ao
5.Install the headliner in the reverse order of removal,
and note these items:
. When reinstalling the headliner through the
passenger's door opening, be careful not to fold
or bend it, Also, be careful not to scratch the
DOOy.. Check that both sides of the headliner are
securely attached to the trim.. Replace any clips that remain in the roof during
removal. Reinstallthe clips back in the headliner
before installation.
F>:Clip,2 H>:Clip,2
Carpet Replacement
SRS components are located in this area. Reviewthe
SRS component locations (see page 23-13) and the
precautions and procedures (see page 23-14) in the SRS
section before performing repairs or service.
NOTE:. Put on gloves to protect your hands.. Take care not to damage, wrinkle. or twist the carpet.. Be careful not to damage the dashboard or other
interior trim pieces.
1. Remove these items:
. Front seats, both sides (see page 20-111. Driver's dashboard under cover (see page 20-60). Passenger's dashboard Iower cover (see page
20-631. Rear seat cushion (see page 20-80). Kick panels, both sides (see page 20-50). Door silltrim, both sides (see page 20-50). Consoles, front and rear (see page 20-57)
2. Remove the nut (A), and using a hex wrench,
release the clip (B), then remove the footrest (C).
Fastener Locations
Aa:Nut,1 B):Clip,'l
--'1 I
-- -JrL
tj I ;tt4f=\-/ l[il
A6x1.0mm9.8Nm11.0 kgf m,7.2 lbf.ft)
-o
(cont'd)
20-55

Shift Lever Trim Removal/lnstallation
NOTE:. Take care not to scratch the dashboard and related
pa rts.. Put on gloves to protect your hands.
1. Remove the glove box (see page 20-63).
2. Remove the shift knob.
Using a ratchet wrench and an 11 inch extension(A) wrapped with a shop towel (B), carefully insert
the extension through the glove box opening, andpush the shift lever trim (C) from under the trim to
release the clips (D) and hooks (E) of the left side.
Fastener
D>clip,
i:F\V
Locations
2 E >Hook,2
.-a7
-t1
u
4. Pull outthe shift levertrim (A) by hand to release
the remaining cllps (8, C) and hooks (D), and
disconnect the hazard warning switch connector (El,
then remove the trim.
Fastener Locations
B >:Clip, 1C>: Cl;p, 1 D>: Hook,3
,,.;w,
Install the trim in the reverse order of removal, and
note these rtems.
. Make sure the hazard warning switch connectot
is plugged in properly.. Push the clip and hook portions into place
securely,
-
,,
20-61