Ignition system HONDA CIVIC 2000 6.G User Guide

PGM-FI System
Engine Gontrol Module/Powertrain Control
('99 - 00 Models except Dl6Y5 engine with
Module (ECM/PCMI
M/T) (cont'dl
{From page 11 1 l3)
Check for a short in the wi.e lMlLlinelr1. Turn the ignition switch OFF.2. Disconnect the ECM/PCM connector A (32P).3. Turn the ignition switch ON (ll).
Repair shorl to body ground inthe wire between the ECM/PCM{A18}and MlL.
ls the MIL ON?
Substituto a known-good ECM/PCM and r€check. lf symptom/indication goes away, roplacethe o.iginal ECM/PCM.
11-114

Manifold Absolute Pressure (MAP) Sensor ('96 Models)
The scan tool indicates Diagnostic Trouble Code (DTC) P0106: A mechanical problem (vacuum leak) in the
Manifold Absolute Pressure (MAP) Sensor system'
TheMAPsensorconvertsmanifoIdabsoIutepressureintoeiectricaIsigna|sandinpUtstheEcM/PcM'
OUTPUTVOLTAGE
(v13.5
3.0
2.5
2.0
1.5
1.0
0.5
0lin. Hgl GAUGE
- The MIL has been reported on- OTC P0106 is storod.- Or from Ptobable Cause Lisl.
Problom verificetion:1. Do the ECM/PCM Reset Pro-
cedure.2. Start the engine and keep
engine speed at 1,000 rpm for
one minute with the transmis'
sion in @ or I Position {Mff
in neutral).
ls DTC P0106 indicated?
Check tor vacuum leakage or
blockage between the MAP sen'
sor and throftle bodyCheck the MAP sensor outPut:
1. Turn the ignition switch OFF
2. Turn the ignition switch ON (ll).
3. Check the MAP with the scan
tool.ls there leakage or blockage?
Chock the MAP s€nsol output:
1. Stop the engane.2. Turn the ignition switch ON (ll).
3. Check the MAP with the scan
tool.
READING300(mm Hgl
(To page 11 116)
{cont'd)ll,(To page 11-116)
1 1-1 15

PGM-FI System
(From page 11-115i{From page 11-115)
Chock to. poor response:1. Start the engine. Hold theengine at 3,000 rpm with M inE or E position, M/T in neutral untilthe radiator tan comeson, then turn the ignitionswitch OFF.2. Start the engine.3. Check the MAP with the scantool.
ls a N4AP ot 40.0 kPa {300 mmHg,12.0 in.Hg) or less indicated withinone second after staning theengine?
The MAP sensor is OK st this time.
Check lor poor response:1. Start the engine. Hold theengine at 3,000 rpm with M inE or E position, M/T in neu-tral until the radiator fan comeson, then turn the ignitionswitch OFF.2. Start the engine.3. Check the MAP with the scantool.
ls a MAP of 40.0 kPa (300 mmHg,12.0 in.Hg) or less indicated withinone second after starting theengine?
Substitute a known-good ECM/PCM and rechock. lt symptom/indication go6s .way. .6plrceth€ original ECM/PCM.
Manifold Absolute Pressure (MAP) Sensor ('96 Modelsl (cont'dl
11-116

PGM-FI System
(From page 11-117)
ls approx. 2 kPa ('15 mmHg, 0.6in.Hg) or less indicated?
Check for a short in ihe wire{MAP line)l1. Turn the ignition switch OFF.2. Disco n nect the ECM/pCMconnector D (16P).
3. Check for continuity betweenthe MAP sensor connector No.3terminal and body ground.
R6pair lhort in tha wire b€twaenECM/PCM {D3l .nd MAP !6ru0r.
Substitute a known-good ECM/PCM..nd recheck. normal MAPis indiceted, .eplsce lhe originalECM/PCM,
Manifold Absolute Pressure (MAp) Sensor('96 - 98 Models,'99 - 00 D16Y5 engine with M/Tl (cont,d)
MAP SENSOR 3P CONNECTOR IC1l1I
MAP(RED/GRNI
Wire side of femate;rminats
11-118

PGM-FI System
Manifold Absolute Pressure (MApl Sensor('99 - 00 Models except Dl6yS engine with M/T) (cont,dl
MAP SENSOn 3P CONNECTOB tcllilt
MAP(RED/GRNI
Wire side of female terminals
(From page 11 119)
Check for an open or shon in theMAP s€nsor:Check the MAP with the scantool.
ls approx. 2 kPa (15 mmHg,0.6 in.Hg) or less indicated?
Check tor a sho.t in lhe wire{MAP line):1. Turn the ignition switch OFF.2. Discon n ect the ECN4/pCN4connector C (31P).3. Check for continuity betweenthe MAP sensor connector No. 3terminal and body ground.
Repair short in the wire betweenECM/PCM {Cl7} and MAp s€n-sor.
Substitute a known-good ECM/PCM and rech6ck. lf no.mal MApis indicated, replace the o.iginalECM/rcM.
11-120

PGM-FI System
Manifold Absolute Pressure (MAPI Sensor
11-122
('99 - 00 Models except D16YS engine with M/T) (contd)
The scan tool indicates Diagnostic Trouble Code (DTC) P0108: A high voltage flow vacuum) problem in theManifold Absolute Pfessure (MAp) sensor,
MAP SENSOR 3P CONNECTOR (C111I
MAPIRED/GRNI
Wire side of female terminals
vcclIYEL/RED)
ECM/PCM CONNECTOR C (31PI
JUMPER WIRE
Wire side of female terminals
Tho MIL has boon rcDortod on.DTC ml 08 b stolod.
Problem verification:'1. Start the engine. Hold theengine at 3,000 rpm with noload (in Park or neutral) untilthe radiator fan comes on, thenlet it idle.2. Check the MAP with the scantoot,
Intormittent f.ilu.e, rystom is OXat thi! time. Chock tor poor con-n6ction3 or looso wirea at C111(MAP 3en.or) and tho ECM/PC-M.
ls 101 kPa (760 mmHg.30in.Hg) or higher indicated?
Check for an open in the MAPaon5('r:1. Turn the ignalion switch OFF.2. Disconnect the MAP sensor3P connector.3. Install a jumper wire betwesnthe MAP sensor 3P conn6ctorterminals No.3 and No.2.4. Turn the ignition switch ON {ll).5. Check the MAP with the scantool.
ls 101 kPa (760 mmHg, 30in.Hg) or higher indicated?
Check fo. an opcn in wiro (SGlline):1. Removo the jumper wire.2. Measure voltage between theMAP sonsor 3P connector terminals No. 1 and No.2.
Roprir opon in tha wiJo bctwoenthc ECM/FCM (C7l rnd the MApsonln t.
ls there approx. 5 V?
Chsck for an open in tho wi.e{MAP lino}:1. Turn the ignition switch OFF.2. Install a jumper wire on theECM/PCM connectors betweenC7 and C17.3. Turn the ignition switch ON (ll).4. Check the MAP with the scantool,
Repair op€n in the wir6a bstwoontho ECM/FCM (C171 and rh6 MApscnltoa.
ls 101 kPa (760 mmHg, 30in.Hg) or higher indicated?
Substituto a known-good ECM/PCM and rechcck, It normal MAPis indiceted. r.place tho originalECM/PCM.
JUMPER WIRE
--

PGM-FI System
Intake Air Temperature (lAT) Sensor ('96 - 97 Models)
The scan tool indicates Diagnostic Trouble code (DTC) P0111: A range/performance problem in the lntake AarTemperature (lAT) Sensor circuit.
The IAT sensor is a temperature dependant resistor (thermistor). The resistance of the thermistor decreases as the intakeair temperature increases as shown below.
RES|STAI{CE {tol
. 32 .. ro. tr. 2r, zaa r..l-20 o 20 /|o ao ao 100 rrotlcl
INTAIG AIR TEMPEMTURE
- The MIL hss beon reported on.- DTC P0111 is stored.- Or from Probable C.use List.
Problem verification:1. Turn the ignition switch OFF.2. Disconnect the IAT sensor 2Pconnector,3. Remove the IAT sensor.4. Reconnect the IAT sensor 2p
5. Leave the IAT sensor exposedto ambaent temperature,6. Turn the ignition switch oN fll).7. Check the IAT with the scantool.
Rsplscg the IAT sensor.
Check tho IAT sensor output:1. Warm the IAT sensor with ahair dryer-2. Check the IAT with the scantool.
Did the IAT rise 2"F (1.C) or morefrom the ambient temperature?Int€rmittont failu.e, system is OKat this time.
Replsce the IAT sensor.
11-124

PGM-FI System
Intake Air Temperature (lAT) Sensor
('96 - 98 Models,'99 - 00 D16Y5 engine with M/Tl
11-126
The scan tool indicates Diagnostic Trouble Code (DTC) POl13: A high voltage flow temperature) problem in theIntake Air Temperature (lAT) sensor circuit,
taT sENsoR 2P CONNECTOn (Cl12l
I' jrl
SG2 '---.]__+ tAT(GRN/BLKI I I IRED/YEL}
JUMPERWIRE
Wire side of female terminals
ECM/PCM CONNECTOR D (16PI
IAT IRED/YEL)sG2(GRN/BLK)
JUMPER WIRE
Wire side of female terminals
The MIL has been reported on.DTC P0113 b sto.6d.
Problem veritication:1. Turn the ignition switch ON (ll).2. Check the IAT with the scantool.
Intermittent tailuJe, systom is OKat this time, Check to. poor con-nections or loose wir.s at C112{lAT senso.l .nd ECM/PCM,
ls -4'F 1-20"C) or less (or L Limitin Honda mode of PGNI Tester) or5 V indicated?
Check for an open in the IAT sen-sol:1. Disconnect the IAT sensor 2pconnector,2. Connect the IAT sensor 2P con-nector terminals No, 1 andNo.2 with a jumper wjre.3. Check the intake air tempera,ture with the scan tool.
ls -4"F ( 20'C) or less (or L-Limitin Honda mode of PGM Tester) or5 V indicated?Repbce the IAT sensor.
Check tor an open in th6 wires{lAT. SGzline!):1. Turn the ignition switch OFF.2. Connect ECM/PCM connectorterminals D8 and D11 with a
3. Turn the ignition switch ON (ll).4. Check the IAT with the scantool.
ls -4"F ( 20'C) or less (or L-Limitio Honda mode ol PGM Tester) or5 V indicated?
R€p6ir opan in the wiro! hweenEC-M/PCM lD8. 011l and IAT sen-
Substitute a known-good ECM/PCM end recheck. lf normal IATis indic.ted, replace the originalECM/PCM.

PGM-FI System
Engine Coolant Temperature (ECT) Sensor
('96 - 98 Models,'99 - 00 D16YS engane with M/T) (cont'd)
The sc€n tool indicates Diagnostic Trouble Code (DTC) P0118; A high voltage (low temperature) problem in theEngine Coolant Temperature (ECT) sensor circuit.
ECt SENSOR 2P CONNECTOR {C1221
ECTIRED/WHTI
JUMPER WIRE
sG2(GRN/BLK)
Wire side of female terminals
ECM/PCM CONNECTOR D Il6PI
sG2 tGRN/81r0
Wire side of Iemale terminals
- Tho MIL ha3 bcen r€oorted on.- OTC m118 b stored.
Problom vorificttion:1. Turn the ignition switch ON (ll).
2. Check the ECT with the scantool.
Intcrmitt.nt failui.. rydom is OKat thir timc. Chack for Door con-naction! or loor! wiaar at C122IECT ..n.orl .nd ECM/rcM,
ls -4"F (-20'C) or less (or L-Limitin Honda mode ol PGM Tester) or5 V indicated?
Chsck lor sn open in thc ECT 3an-soa:1. Disconnect the ECT sensor2P connector.z. Lonnecr rne ELt sensor zFconnector terminals No. 1 andNo.2 with a jumper wire.3. Check the ECT with the scantool.
ls -4'F (-20'C) or loss (or L-Limitin Honda mode ol PGM Testerlor5 V indicated?
Chack for an opon in the wire.{ECT, SG2lin..l:1. Turn the ignition switch OFF.2. Connect ECM/PCM connectorterminals D2 and D11 with ajump€rwire.
3. Turn the ignition switch ON (ll).4. Check the ECT with the scantool.
ls -4'F 1-20'Clor less (o. L-Limitin Honda mode ol PGM Tester)or5 V indicated?
Reprir oprn in tha wirar bstwoonCCM/PCM IDZ Dl1) .nd EGT rcn-aor.
Sub3titut. s known-good ECM/FCM and r.chcck, It normel ECTi! indicatod, roplaco tho origin.lECM/PCM.
JUMPER WIRE
1 1-130

PGM-FI System
t
I
Engine Coolant Temperature (ECT) Sensor
('99 - 00 Models except Dl6Y5 engine with M/Tl
The scan tool indicates Diagnostic Trouble Code (DTC) P0118: A high voltage (low temperature) problem in the
Engine Coolant Temperature (ECT) sensor circuit.
ECT SENSOR 2P CONNECTOR {C122)
ECT(RED/Wr{T)
JUMPER IVIRE
sG2{GRN/BLK)
wire side of female terminals
ECM/PCM CONNECTOB C 131PI
The MIL has been reported on,
oTC P0118 is stored.
Problem verilication:1. Turn the ignition switch ON (ll).
2. Check the ECT with the scan
tool.
lntormittent failuro, systom is OK
at thb timo. Check lor poor con'nections or 10036 wiraa at C122
{ECT ssnsorl and ECM/rcM.
ls -4'F (-20"C) or less lor L-Limit
in Honda mode o{ PGM Tester) or
5 V indicated?
Check for an open in the Efi sen'
sori1. Disconnect the ECT sensor 2P
connector,2. Connect the ECT sensor 2P
connector terminals No, 1 andNo. 2 with a jumper wire.3. Check the ECT with the scantool.
ls -4"F 1-20"C) or less (or L-Limit
in Honda mode of PGM Tester) or
5 V indicated?
Check for sn open in the wires
IECT. SG2 linesl:1. Turn the ignition switch OFF.2. Connect ECM/PCM connectorterminals C18 and C26 with ajumper wire.3. Turn the ignition switch ON (ll).
4. Check the ECT with lhe scantooi.
Rspair opon in th6 wiros bstwoon
ECM/PCM (Cl8, C26l and ECT
3ensot.
ls -4'F {-20"C) or less (or L-Limit
in Honda mode of PGN4 Tester) or
5 V indicated?
Substitute 6 known-good ECM/PCM and recheck. l{ no.mal EcT
is indicatod, .eplace the originalECM/PCM.
JUMPER WIRE
Wire side of female terminals
11-131