battery HONDA CIVIC 2003 7.G Service Manual

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.

DTC Pl166: Ay'F Sensor (Sensor 1) Heater
Circuit Malfunction
1. Resetthe ECM (see page 11-4).
2. Start the engine.
ls DTC P1166 indicated?
YES-Go to step 3.
NO-lntermittent failure, system is OK at this lime.
Check for poor connections or loose terminals at
the Ay'F sensor relay, the A,/F sensor (Sensor 1), and
the EcM. !
3. Check the following fuse:
. No. 14 OPTION (30A)fuse in under-hood fuse/
reray Dox.. No. 2*B LAF (Ay'F) HEATER (20A) fuse in under-
dash fuse/relay box.. No. 4 ACG (10A) in underdash fuse/relay box.
Are any of the fuses blown?
YES Repair short in the wire between the Ay'F
sensor relay and the fuses.I
NO Go to step 4.
4. Measure voltage between ECM connector
terminals A1 and A24. 30 seconds after the ignition
switch is turned ON (ll).
ECM CONNECTOR A I31P)
Wire srde of lemale terminals
Is therc battery voltage?
YES-Update the ECM if it does not have the latest
soflware, or substitute a known-good ECM. then
recheck (see page 1 1-6). lf the symptom/indication
goes away with a known-good ECM, replace the
original ECM.I
NO-Go to step 5.
5. Measure voltage between ECM connector
terminals A22 and A24.
ECM CONNECTOR A {31P}
Wire side of female terminals
ls there battery voltage?
YES Go to step 6.
NO-Go to step 10.
6. Turn the ignition switch OFF.
7. Disconnect ECM connector E (31P).
8. Turn the ignition switch ON {ll).
(cont'd)
11-89

PGM-FI System
DTC Troubleshooting (cont'dl
9. Connect ECM connector terminal EStobodyground with a jumper wire, then measure voltage
between ECM connector terminals A1 and 424.
ECM CONNECTORS
Wire side of female terminals
ls there battery voltage?
YES- Update the ECM if it does not have the latest
soflware, or substitute a known-good ECM, then
recheck (see page 1 1-6). lf the symptom/indication
goes away with a known-good ECM, replace the
original ECM. t
NO Repair open in the wire between the Ay'F
sensor (Sensor 1) and ECM (A1). t
Turn the ignition switch OFF.
Disconnecl the ECfM connector A (31P) and the Ay'F
sensor (Sensor 1) 4P connector.
Check for continuity between the Ay'F sensor(Sensor 1) 4P connector terminal No. 3 and bodyground.
A/F SENSOR (SENSOR 1) 4P CONNECTOR
10.
11.
12.
11-90
Wire side ot Iemale terminals
t5.
14.
ls there continuity?
YES Repair short in the wire between the A|/F
sensor relay, A,/F sensor {Sensor 1) and ECM
lA22J.a
NO Go to step 13.
Turn the ignition switch ON (ll).
Measure voltage between ECM connector
terminals E8 and A24.
ECM CONNECTORS
E {31 P)
a {31 P)
Wire side of female terminals
ls there battety voltage?
YES-Repair open in the wire between the ECM(A22) and the IVF sensor (Sensor 1). I
NO-Go to step 15.
Check for continuity in the wires between the Ay'F
sensor and the fuses.
ls there continuity?
YES-The wires are OK. Replace the A,/F sensor
relay.l
NO Repair open in the wire between the Ay'F
sensor relay and the fuses.l

DTC Pl298: ELD Circuit High Voltage
1. Resetthe ECM (see page 11-4)
2. Stan the engine.
3. Turn on the headlights.
ls DTC P1298 indicated?
YES-Go to step 4.
NO- Intermittent failure. system is OK at this time.
Check for poor connections or loose terminals at
the ELD and at the ECM.I
4. Turn the ignition switch and headlights OFF.
5. Disconnectthe ELD 3P connector.
6. Turn the ignition switch ON (ll).
7. Measure voltage between body ground and ELD 3P
connector terminal No. 1.
ELD 3P CONNECTOR
IG1 IBLK/ORNI
Wire side ot {emale terminals
ls there battery voltage?
YES-Go to step 8.
NO-Checkthe No. 4 ACG (10A)fuse in the under-
dash fuse/relay box. lf the fuse is OK, repair open in
the wire between the No. 4 ACG (10A) fuse and the
ELD.I
8.
9.
10.
11.
Turn the ignition switch OFF.
Connect ELD 3P connector terminal No. 3 to body
ground with a jumper wire.
Disconnect ECM connector E (31P).
Check for continuity between body ground and
ECM connector terminal E15.
ECM CONNECTOR E 131PI
1 21345ot/II
14LC6l/ 182C21
22123 2421 ./2Q30J
ELDIGRN/RED)i1'
Wire side of female terminals
Is thete continuity?
YES-Go to step 12.
NO Repair open in the wire between the ECM
(E15) and the ELD.
(cont'd)
ELD 3P CONNECTOR
---F-------
l1l2 :rlELD(GRN/RED)
IJUMPER wrRE
II
Wire side of temale terminals
11-93

3.
4.
5.
6.
DTC Pl361: Camshaft Position (CMP) Sensor
B (TDC Sensor) Intermittent Interruption
DTC Pl362: Camshaft Position (CMP) Sensor
B (TDC Sensor) No Signal
1. Reset the ECM (see page 11-4).
2. Start the engine.
ls DTC P1361 and/or P1362 indicated?
YES Go to step 3.
NO- Intermittent failure. system is OK at this time.
Check for poor connections or loose terminals at
the CMP sensor B (TDC sensor) and at the ECM.I
Turn the ignition switch OFF.
Disconnectthe CMP sensor B (TDC sensor) 3P
connector.
Turn the ignition switch ON (ll).
Measure voltage between CMP sensor B (TDC
sensor) 3P connector terminal No. 3 and body
grouno.
CMP SENSOR B {TDC SENSOR) 3P CONNECTOR
{YEL/BLK}
Wire side ol temale terminals
ls there battety voltage?
YES Go to step 7.
NO-Repair open in the wire between the PGM-Fl
main relay 1 and the CMP sensor I (TDC sensor).I
IGP
123
7. l\4easure voltage between CMP sensor B {TDC
sensor) 3P connector terminal No. 1 and body
ground.
CMP S€NSOR 8 ITDC SENSOR) 3P CONNECTOR
Wlre s de ollemaleterminals
ls there about 5 V?
YES-Go to step 8.
NO-Go to step 10.
8. Measure voltage between Cl\ilP sensor B (TDC
sensor) 3P connector terminals No. 2 and No, 3.
CMP SENSON B llOC SENSOfi) 3P CONNECTOF
Wire s de olfema etefminals
ls there battery voltage?
YES-Go to step 9.
NO Repair open in the wire between the CMP
sensor B (TDC sensor) and G101.1
9. Substitute a known-good CMP sensor B (TDC
sensor) and recheck.
ls DTC P1361 and/or P1362 indicated?
YES 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.I
NO Replace the original CMPsensorB(TDC
sensor).1
(cont'd)
11-95

PGM-FI System
DTC Troubleshooting (cont'd)
10. Measure voltage between ECI\4 connectorterminal
A26 and body ground.
ECM CONNECTOR A (31P)
12345617I
011 121./61,/ 18I2C2l
23 2421 m30
TDC {GRN}
Wire side oI temale terminals
ls there about 5 V ?
YES - Repair open in the wire between the ECM(426) and CMP sensor B (TDC sensor).1
NO-Go to step 11.
Turn the ignition switch OFF.
Disconnect ECIM connector A (31P)
Check for continuity between ECM connector
terminal 426 and body ground.
ECM CONNECTOR A {31PI
Wire side of female terminals
ls there continuity?
YES Repair short in the wire between the ECM(426) and the CMP sensor B (TDC sensor).1
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.I
11.
12.
11-96
DTC Pl607: Malfunction in ECM Internal
Circuit
1. Resetthe EC|\il lsee page 11-4).
2, Turn the ignition switch ON (ll), and wait for
40 seconds.
ls DTC P 1607 indicated?
YES 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.I
NO Intermittent failure, system is OK at this time.
A low battery can cause this problem . Ask the
customer if there has been any recent trouble
starting the engine.l
\

31. Check for continuity between fuel pump 5P
connector terminal No. 5 and body ground.
FUEL PUMP 5P CONNECTOR
Wire side of temale terminals
ls therc continuity?
YES Repair short in the wire between the fuel
pump and the PGM-Fl main relay 2. Also replace
thE NO. 17 FUEL PUMP (15A) fUSE.T
NO-Go to step 32.
32. Reinstallthe PGM-Fl main relay 2 (A).
33. Check for continuity between fuel pump5P
connector terminal No. 5 and body ground.
FUEL PUMP 5P CONNECTOR
=
Wire side ol lemal€ rerminals
ls there continuity?
YES Replace the PGM-Fl main relay 2. Also
replace the No. 17 FUEL PUMP (15A) fuse.l
NO Check the iuel pump, and replace il if
necessary. Also replace the No. 17 FUEL PUMP(15A) fuse.!
34. Disconnect ECM connector E (31P).
35. Turn the ignition swirch ON {111.
36. Measure voltage between ECM connectorterminal
E9 and body ground.
ECfl CON|{CCIOR E (3rPt
Wire side ol female lerminals
ls there battery voltage?
YES Go to step 37.
NO Repair open in the wire between the No. 17
FUEL PUMP (15A)fuse and the ECM (E9).1
(cont'd)
11-101

PGM-FI System
MIL Circuit Troubleshooting (cont'dl
37. lvleasure voltage between ECM/PCM connector
terminal E7 and body ground.
ECM CONNECTOR E {31PI
Wire side of female terminals
ls there battery voltage?
YES Go to step 42.
NO Go to step 38.
Turn the ignition switch OFF.
Remove the PGM-FI main relay 1
38.
39.{A}
-A
MRLY
11-102
40. lvleasure voltage between PGN4-Fl main relay 1 4P
connector terminal No. 4 and bodv qround.
PGM-FI MAIN RELAY 1ilP CONNECTOR
41.
ls there battery voltage?
YES-Go to step 41.
NO Repair open in the wire between the No. 6
ECU (ECM) (15A) fuse and the PGfM-Fl main relay 1.
I
Check for continuity between PGM-FI main relay 1
4P connector terminal No. 3 and ECM connector
terminal E7.
PGM.FI MAIN RELAY 14P CONNECTOR
\
ECM CONNECTOR E 131PI
ls there continuity?
YES-Testthe PGM-Fl main relay 1 (see page 22-
51 ). lf the relay is OK, 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
ECM, replace the original ECM.I
NO*Repair open in the wire between the PGM-FI
main relay 1 and the ECM (E7).1
Wire side ot lemale terminals
MRLY (RED/YEL)
MRLY (RED/YEL)
Wire side of female terminals

42.
43.
44.
45.
46.
Reconnect ECI\4 connector E {31P).
Turn the ignition switch ON (ll).
Measure voltage between body ground and ECM
connector terminals 42 and 43 individually.
Wire side of female terminals
ls there battery voltage?
YES Go to step 51.
NO Go to step 45.
Turn the ignition switch OFF.
Remove the PGM'Fl main relay 1{A)
,A
47. Turn the ignition switch ON (ll).
ECM CONNECTOR A {31PI
49.
50.
48. Measure voltage between PGM-FI main relay 1 4P
connector terminal No. 2 and body ground.
PGM.FI MAIN RELAY 14P CONNECTOR
ls there battery voltage?
YES Go to step 49.
NO Repair open in the wire between the No.6
ECU {ECM) (15A}fuse and the PGM-Fl main
relay 1 . !
Turn the ignition switch OFF.
Check for continuity between PGM-Fl main relay 1
4P connector terminal No. 1 and ECM connector
terminals 42 and 43 individually.
PGM.FI MAIN RELAY IilP CONNECTOR
ls there continuity?
YES Replace the PGM-Fl main relay 1.1
NO Repair open in the wire between the PGM-FI
main relay '1 and the ECM (A2, A3).1
{cont'd}
Wire side of temale terminals
IGPl (YEL/BLK)
Wire side of female terminals
11-103