1997 HONDA CIVIC Crankshaft

I
Misfire Detected in One Cylinder
P0301 | The scan tool indicates Diagnostic Trouble Code (DTC) P0301: Cylinder 1 misfire detected.
[F03O2l 16"""untool indicates Diagnostic Trouble code (DTc) P0302: Cylinder2 misfire detected.
[FO3Ofl 16" ".un toot indicates Diagnostic Troubte Code (DTC) P0303; Cylinder 3 misfire detected.
I P0304 I ths..rr tool indicates Diagnostic Trouble Code (DTC) PO3O4: Cylinder 4 misfire detected.
D€scription
lMisfire detection is accomplished by monitoring the crankshaft speed with the crankshaft speed fluctuation (CKF) sensor
which is attached to the crankshaft,
lf misfiring strong enough to damage the catalyst is detected, the MIL will blink during the time of its occurrence, and DTC
PO3O1, P0302, PO3O3 or P0304 will be stored. Then, after the misfire has ceased, the MIL will come on.
lf misfiring that increases emissions is detected during two consecutive driving cyclss, the MIL will come on, and DTC
P0301, P0302, P0303 or P0304 will be stored.
NOTE: lf some of the DTCS listed below are stored at the same time as a misfire DTC, troubleshoot those DTCS first, then
recheck for the misfire DTC.
PO106*1, P0107, P0108. P1128*3'*5, P1129*3'*5: MAP sensor
P0131, P0132: HO2S
P0171, P0172iFuel suppiy system
P0335, P0336: CKF sensor
P0401. P1491, P1498: EGR system
P0441: EVAP system Insufficient purge flow*6
Pl359. P1361. Pl362: TDC sensor
P1381. Pl382: CYP sensor*o: '96 models*6: '96 D16Y5 engine,'96 D16Y/ engine,'96 D16Y8 engine {sedan),'97 D16Y5 engine,'97 D16\4, engine (coupe: KA,
KC models, sedan KA. KC, KL (DX) models, hatchback:all models),'97 D16Y8 engine (sedan: KA, KC models)
Possible Cause
. Fuel injector clogging, fuel leakage, air leakage
. Fuel injector circuit open or shorted
. Spark plug carbon deposits, fouling, malfunction
. lgnition wires open. leaking
. Distributor malfunction
. ComDression low
. Valve clearance out of spec
. VTEC system malfunction (D16Y5, D16Y8. 81642 engine)
. HO2S
. HO2S circuit
(cont'd)
11-167
r'a

PGM-FI System
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Crankshaft Position/Top Dead Genter/Gylinder Position (CKP/TDC/CYP) Sensor
('96 - 98 Models, '!n - 00 D16Y5 engine with M/Tl
The scan tool indicates Diagnostic Trouble Code (DTC) P0335: A malfunction in the Crankshaft position (CKp)
sensor circuit.
The scan tool indicates Diagnostic Trouble Code (DTC) P0336: A range/performance problem in the CrankshaftPosition (CKP) sensor circuit.
The scan tool indicates Diagnostic Trouble Code (DTC) P1361: Intermittent interruotion in the Too Dead Center(TDC) sensor circuit.
The scan tool indicates Diagnostic Trouble Code {DTC) P1362: No signal in the Top Dead Center (TDC} sensorcircuit.
The scan tool indicates Diagnostic Trouble Code (DTC) P1381: Intermittent interruption in the Cvlinder Position{CYP) sensor circuit.
The scan tool indicates Diagnostic Trouble Code {DTC) Pl382: No signal in the Cylinder Position (CYP} sensorcircuit.
Description
The CKP Sensor determines timing for fuel injection and ignition of each cylinder and also detects engine speed. The TDCSensor determines ignition timing at start-up (cranking) and when crank angle is abnormal. The Cyp Sensor detects theposition of No. 1 cylinder for sequential fuel injection to each cylinder. The CKP/TDC/CYP Sensor is built into the distribu-ror.
NOTE: lf DTC P1359 is stored atthesametime as DTC P0335. P0336, P1361, Pl362, P1381 and/or P1382, troubteshoor DTCP1359 first, then recheck for those DTCS. Ot6y5 6ngine: Dt6y7, ot6y8 enqin6s:
SENSORBOTOR
TDCSENSORCKPSENSORSENSORROTORSENSORROTORSENSORROTORROTORROTOR
DISTRIBUTOR 1OPcoNNECTOR tC120tTDC P
- The MIL hrs been reported on.- DTC P0335, P0336, P1361,P1362, P1381 and/or Pl382 6restored,
Problem verification:1. Do the ECM/PCM Reset Proce-dure.2. Stan the engine.
Intermittent hilu.e, system b OKat this time. Check tor poor con-n€ctions or 10036 wiros at C120{distributor} and ECM/PCM.
ls DTC P0335, P0336, P1361, P1362,P1381 and/or P'l382 indicated?
Check for an open in the CKP/TDC/CYP sensor:1. Turn the ignition switch OFF.2. Disconnect the distributor 10P
3. Measure resistance betweenthe terminals of the indicatedsensor (*see table).
Replace the distributor ignitionhousing (soe section 23).ls there 350 - 700 0?
CYP M {BLK}
SENSORDTCSENSORIERMINATECMfCMTERMINATCOLOR
CKPP033s
m336
2c2BLU
6c12
TDCP1361
P1362
3GRN
7cl3RED
CYPP!381
P't382
c4YEL
8c148LK11-172

PGM-FI System
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Crankshaft Position/Top Dead Center/Cylinder Position (CKP/TDC/CYPI Sensor
f99 - 00 Models except D16Y5 engine with M/T)
The scan tool indicates Diagnostic Trouble Code (DTC) P0335: A malfunction in the Crankshaft Position (CKP)
sensor circuit.
The scan tool indicates Diagnostic Trouble Code (DTC) P0336: A range/performance problem in the Crankshaft
Position (CKP) sensor circuit.
The scan tool indicates Diagnostic Trouble Code (DTC) P1361: Intermittent interruption in the Top Dead Center
{TDC) sensor circuit.
The scan tool indicates Diagnostic Trouble Code {DTC) P1362: No signal in the Top Dead Center (TDC) sensor
circuit.
The scan tool indicates Diagnostic Trouble Code (DTC) P1381: Intermittent interruption in the Cylinder Position(CYP) sensor circuit.
lTiaSt The scan tool indicates Diagnostic Trouble Code (DTC) P1382; No signal in the Cylinder Position (CYP) sensor: circuil.
DoscriDtion
The CKP Sensor determines timing for fuel injection and ignition of each cylinder and also detects engine speed. The TDC
Sensor determines ignition timing at start-up (cranking) and when crank angle is abnormal. The CYP Sensor detects the
position of No. 1 cylinder for sequential fuel injection to each cylinder. The CKP/TDC/CYP Sensor is built into the distribu-
tor.
NOTE; lf DTC P1359 is stored at the same time as DTC P0335, P0336, P1361. P1362, P1381 and/or P1382, troubleshoot DTC
P1359 first, then recheck for those DTCS. D16Y5 engino:
SENSORROTOR
TDGSENSORCKPSENSOBTDCSENSOBCKPSENSOBCYPs€NsonBOTORROTORBOTONROTOR ROTOR
D16Y7, D16Y8 ongine:
(To page 11-175)
1-174
- The MIL has been reportod on.- DTC P0335, P0336. P1361,P1362, P1381 rnd/or P1382.restored.
Problem verific{tion:1. Do the ECM/PCM Reset Proce-dure.2. Start the engine.
Intormittcnt failure, systom b OKat thb time. Check to. poor con-nections or loose wires at C120(dktributorl and ECM/PCM.
ls DTC P0335, P0336, P1361, P1362,P1381 and/or Pl382 indicated?
Check tor an open in the CKP/TDC/CYP 3enior:1. Turn the ignition switch OFF.2. Disconnect the distributor 10Pconnector,3. Measure resistance betweenthe terminals of the indicatedsensor (*see table).
Replrce the distributor ignitionhou3ing (!ee section 231.ls there 350 700 0?
SENSORDTCSENSORTEBMINAIECM/PCMTERI\,4INAICOLOR
CKPP0335
P0336
2c88LU
6c9
TDCP1361
P1362
3c20GRN
7c21BED
CYPP1381
P1342
c29YEL
Ic30BLK

\Crankshaft Speed Fluctuation (GKFI Sensor .
firC- 48 Models, '99 - 00 D16Y5 engine with M/Tl
The scan tool indicates Diagnostic Trouble Code (DTC) P1336; Intermiftent interruption in the Crankshaft Speed
Fluctuation (CKF) sensor circuit.
ThescantooIindicatesDiagnosticTroub|ecode{DTC)P1337:NosignaIinthecrankshaftspeedF|uctuation(cKF}
sensor circuit.
D6scription
Thediagnosticsystemhasapu|serrotoronthecrankshaftandapu|sepick-upsensorontheengineblock.TheEcM/PcM
monitors the crankshaft speed ftuctuation based on the cKF sensor signal, and judges that 8n engine misfire occurred if
the fluctuation goes beyond a predetermined limit'
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CKF SENSOR 3P CONNECTOR
L:l.)l l.' -Ir-T--T---.]l1 l2l3llL-''---r
CKFM I I CKFP
twrfit 1,.^ | lsLul\.7
Terminal side of male terminals
CKF MIWHT}
CKF PIBLUI
I(cont'd)
- The MtL hds been reported on.- DTC P1336 and/or P1337 a.e
stored.
P.oblem v€rific.tion:1. Do the ECM/PCM Reset Proce-
dure.2. Stan the enginelntormittont lailur6, tY3tom b OK
at thit tima. Chock tor Poor con'
nactions or loota wito! at C102
IC-KF son$rl .nd ECt /PCM, and
mrka suro CKF tonaor mounting
boh ittigM.
Chock for .n open in tho CKF aen-
30t:1. Turn the ignition switch OFF
2. Disconnect the CKF sensor 3P
connector,3. Measure the resista nce
between the CKF sensor 3P
connector terminals No. 1 and
No.3.
ls there 1.6- 3.2 kO?
Ch€ck tor a short in the CKF son'
30tiCheck {or continuitY between
body ground and the CKF sensor
3P connector termin6ls No. 1 and
No.3 individuallY.
(To page 11 184)
1 1-183

PGM-FI System
(From page 11 183)
Check lor an open in the wiresICKF lines):1. Reconnect the CKF sensor 3p
2. Dlsconnect the ECM/PCM con-nector C (31P).3, Measure resistance betweenECM/PCM connector terminals Cl and Cl1.
Repair open in the wire betweenECM/PCM {C1, C11} and the CKFls there 1.6 3.2 kO?
Check for a short in the wire{CKF line}:Check for continuity betweenbody ground and ECM/PCM con,nector terminal C1.
Repair short in the wiro bstwoenECM/PCM {Cl) and the CKF son-
Substitute a known-good ECM/PCM, and recheck. lf symptom/indication goes awry, replace theoriginal ECM/PCM.
Crankshaft Speed Fluctuation (GKFI Sensor('96 - 98 Models,'99 - 00 D16V5 engine with M/Tl (cont,d)a\
ECM/PCM CONN€CTOR C (31P}
CKF P(8LU/REO)
CKF M(WHT/REO)Wire side of femaletermtnats
CKF P(BLU/RED)
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12131115t61718
21272A2930
11-184

tCrankshaft Speed Fluctuation (CKF) Sensor -
('99 - 00 Mociels except D16Y5 engine with M/T)
The scan tool indicates Diagnostic Trouble code (DTC) P1336: Intermittent interruption in the crankshaft speed
Fluctuation (CKF) sensor circuit
The scan tool indicates Diagnostic Trouble Code (DTC) P1337: No signal in the Crankshaft Speed Fluctuation (CKF)
sensor circuat,
Description
Thediagnosticsystemhasapulserrotoronthecrankshaftandapu|sepick-upsensorontheengineb|ock.TheEcM/PcM
monitors the crankshaft speed fluctuation based on the cKF sensor signal. and judges that an engine misfire occurred if
the fluctuation goes beyond a predetermined limit'
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CKF SENSOR 3P CONNECTOR
r--r t|-.r-r'--]llll l2l3ll.l---'.-T_
CKFM I I CKFP
twHTl |/Ai i lBlul--\9-
Terminal side oI male terminals
CKF M(WHT)CKF P(BLU)
t(cont'd)
1 1-185
- The MIL has b€on reportad on.- DTC P1336 and/or P1337 are
stored.
Problem verification:1. Do the ECM/PCM Reset Proce'
dure.2. Start the enginelntermittcnt failuro, sydcm is OK
ai this time. Check lot Poor con_
noctions or loo3e wiros at C102
ICKF s€nsor) and ECM/FCM, and
make suro CKF sansor mounting
bolt b tight.
Check tor an open in the CKF sen_
1. Turn the ignition switch OFF
2. Disconnect the CKF sensor 3P
3. Measure the resistance
between the CKF sensor 3P
connector terminals No. 1 and
No.3.
ls there 1.6 3.2 kO?
Check for a short in ihe CKF sen_
sot:Check for continuity betweenbody ground and the CKF sensor
3P connector terminals No 1 and
No.3 individuallY.
(To page 11-186)

PGM-FI System
Crankshaft Speed Fluctuation (GKFI Sensor('99 - 00 Models except D16YS engine with M/Tl (cont,d)I\
ECM/PCM CONNECTOR C 13lPI
Wire side of femaleterminals
aI
(Frorn page l1-185)
Check Ior an opsn in the wires(CKF lines):1. Reconnect the CKF sensor 3pconnector.2. Disconnect the ECM/PCM con-nector C {31P}.3. Measure resistance betw€enECM/PCM connector termi-nals C22 and C31.
Repair opqn in th. wire bo{weenECM/PCM (CZ, Ctll and th. CKFlon30r.
ls there 1.6-3.2 k0?
Check tor a short in the wireICKF line):Check for contin!ity betweenbody ground and ECM/PCM con-nector terminal C22.
Roplir thort in tho wirg b.iwoonECM/FC'ftl lc22l and tho CKF 3€n-
Substituto a known-good ECM/PCM, and r.ch.ck. It symptom/indication 90o. aw!y, 6pbco theoriginal ECM/PCM.
1 1-186

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Crankshaft Position/Top Dead Center/Cylinder Position (CKP/TDC/CYPI Sensor
Thescantoo|indicatesDiagnosticTroub|ecode(DTc)P1359:Aprob|eminthecrankshaftPosjtion/TopDead
Center/Cvlinder Position (CKP/TDC/CYP) sensor circuit'
- The MIL has been reported on- DTC P1359 is stored
Problem veritication:1. Do the ECM Reset Procedure
2. Stan the engine lftheengine
won't start, crank it for at least
10 seconds-
lntermittent failure, sYstem is OK
Check for poor connecllon3 or
loose wires at C120 {distributor}and ECM,/PCM.
ls DTC P1359 indicated?
Check for poor connections or
loose wires between the distribu
tor and the ECM/PCM
Substitute a known'good ECM/
PCM, and rccheck. lt 3ymPtom/
indication goes awtY, rePlace
the original ECM/PCM.
r ta
11-1A7