2000 HONDA CIVIC light

Troubleshooting Flowchart - Drive Pulley Speed Sensor
NOTE: Record allfreeze data before you troubleshoot'
Possible Cau3€
. Disconnected diive PulleYsoeed s6n3or connectol. Short or open in drive Pull.Ysooed sonsor wire. FaultY drive PulleY spo€d sen'
301
DRIVE PULEY SPEED
SENSOR @NNEfiOR
Terminal side of male terminals
PCM CONNECTOR D (16PI
NDR SG IGRNI
Wire side o{ Iemale terminals
(cont'd)
14-279
.OBD ll Scan Tool indicates
Code Pl885.. Selt-diagnosb E indicator light
indicatos Code 34
check the drive pulleY sPeed sen-
sor installation, and check it for
damage.
ls the drive PulleY speed sen-
sor installed properly, and not
damaged?
Rein3tall or roplace and techeck
Measuro Drive PulleY Speed Sen_
sor Ro3istanco at the Sonsol
Connector:1. Disconnect the 2P conneclor
from the drive Pulley speed
sensor,2. Measure drive Pulley speed
sensor resislance at the sen-
sor connecror.
ls the resistance 350 - 600 O?
Check Drivo PulleY SP6€d Sen3o.
lor . Short Circuit:1. Disconnect the D {16P) connec-
torlrom the PCM.
2. Check lor continuity between
body ground and the D11 ter
minal and D'l2 terminal indi
vidually.
Repai. short in the wiles
between the Dll lnd D12 termi-
nals and iho drive Pull.Y speed
To page 14-280

Troubleshooting Flowchart - Driven Pulley Speed Sensor
NOTE: Record all freeze data betore you troubleshoot'
Po3sible Caus€
' Oisconnected driven PulleYspeed s6nlor connoctor. Short or opon in d.iven Pulleysoeed sonsol wirc. Faulty driven Pulley speed sen_
sor
DRIVEN PULLEY SPEED
SENSOR CONNECTOR
Terminal side ol male terminals
FCM CONNECTOR D If6P)
NDN IWHTI
Wire side of female terminals
(cont'd)
'OBD lt Sc.n Tool indicates
Code Pl886.. Self-diagnosb E indicator light
indicrt€. Codo 35.
Check the driven Pulley speed
sensor installation, and check it
Ior damage.
lsthe driven pulleY speed sen'
sor installed ProPerly, and not
damaged?
Boin3tall or ropl.ca and recheck.
M..sure Drivon PulloY SPoed
Sonsor Rosblanco at the S6n3or
Conn6ctori1. Disconnect the 2P connector
trom the driven PUlley sPeed
sensor,2. lveasure driven Pulley speed
sensor resistance at the sen_
sor connector.
ls the resistance 350 - 600 0?
Check Dtivon Pulloy SP€ed Sen'
sor for a Short Circuit:
1. Disconnect the D (16P) connec-
torfrom the PCM.
2. Check tor continuity between
body ground and the D10 ter'
minal and Dl6 terminal indi-
vidually.
Raoair shott in tho wi.6s
betwoon th. Dlo end D16 tormi'
nak .nd the ddven Pulley spo€d
Fo page 14'282
14-2A1

Troubleshooting Flowchart - Secondary Gear Shaft Speed Sensor
NOTE: Record all freeze data before you troubleshoot
Po$ible Causo
. Oisconnectod secondarY gear
shaft speed sensor conn66or' short or open in secondary gear
shaft spe€d sensor wiro. Faulty secondarY gear 3haft
sPeed sensor
SECONDARY GEAR SHAFT
SPEEO SENSOR CONNECTOR
Terminal side of male terminals
PCM CONNECTOR D I15P)
VEL (WHT/REO) VEL SG IALK/WHTI
Wire side oI female terminals
(cont'd)
14-243
' OBD ll Scan Tool indicates
Code P1888.. Self-diagnosis E indicalor light
indicats Code 35.
Check the secondarY gear shaft
speed sensor installation, and
check it for damage.
ls the secondary gear shaft
speed sensor installedproperly, and not damaged?
Reinatall or replace and rocheck.
Measure SocondarY Gear Sh.ft
Speed Sen3or Resistance at the
Sensor Connector:1. Disconnect the 2P connector
trom the secondary gear shaft
speed sensor.2. Measure secondary gear shaft
speed sensor resistance at the
sensor connector.
ls the resistance 350 - 600 0?
Check SecondarY Gear Shaft
Speed Sensor lor a Short Circuit:
1. Disconned the D (16P) connec-
tor from the PCM.
2. Check for continuity between
body ground and the D1 ter-
minal and D7 terminal indi-
vidually.
Repair short in the wiros
b.tween the Dl and D7 termi_
ne13 and th€ secondarY geal
3haft lpeed sonsor.
To page 14-284

Troubleshooting Flowchart - Shift Control System
NOTE: Record allfreeze data before you troubleshoot
Possible cause
Faultv shift control svstem' OBD ll Scan Tool indicates Codo
P1Ato.. Self-diagnosis E indicator light
indicatos Code 42.
Check for Anoth€r Code:Check whether the E indicator
light indicates another code.
P€rform the Tloubleshooting
Flowchart for the indicated
Code(sl.
ls the E indicator light indi
cate another code?
Check Stall Speed RPM:
Measure the stall sPeed RPM(see page 14-298).
ls the stall speed over 3,500 rpm?
ls the stall speed below 2,000 rpm?
Test-drive and Check Engine
Speed:L Drive the vehicle at 30 mph
150 km/h) constantly for sev-
eral mlnutes.2. Check the engine speed
ls the engine speed within the
specification (see Page 14'296
and 14'297)?
14-245

Electrical Troubleshootang ('gg - 00 Models)
Troubleshooting Flowchart - Start Clutch Control System
Possibl€ Cause
Faultv start clutch control sys-lem
NOTE: Record allfreeze data before you troubleshoot.
fo page 14 287
. OBD ll Scan Tool indicates CodeP1891.. Self-diagnosis E indicator tightindicates Code 43.
Check for Another CodelCheck whether the E indicatorlight indicates another code.
Perform the TroubleshootingFlowchart tor the indic.tedCodelsl.
ls the E indicator light indi-cate another code?
Test Stsn Clutch Operation:1. Turn the ignition switch OFF.2. Disconnect the 8P connectorfrom the solenoid harness connector.3. Start the engine, and shift toE position.4. Check whether the vehiclemoves.
Repl.c€ the stan clutdt rasemHy.
Check Croeping Sp€6d:1. Turn the ignition switch OFF.2. Reconnect the 8P connector tothe solenoid harness connec
3. St€rt the engine, and shift toE posation.4. Check whether the vehiclecreeps, and check the creeping speed.
Does the vehicle move and isthe creeprng speed approx, 3mph (5 km/h)?
14-2A6

Electrical Troubleshooting ('99 - 00 Models)
Troubleshooting Flowchart - El Indicator Light Does Not Come On
PCM CONNECTOR B I25PI
LGl {BRN/BLK)
Wire side ot female terminals
LGlIARN/BLK) LG2IBRN/BLKI
The D indicator light does notcome on whon ths ignhion switchis tirst turned ON {lll. llt shouldcome on tor about two s€conds.)
Check the Service Check Connec-tor:Make sure the special tool {SCSService Connectorl is not connected to the service check con-nector,
ls the special tool (SCS
Service Connectorl connectedto the service check connec-tor?
Disconnect the sp€cial tool f]omthe seruice chcck connoclor andaecheck.
Check the E Indicalor Light:Shift to E posjtion.
Check tor loose te.minal fit in thePCM connectors, lf nocessary,substitute a known-good PCMand aecheck.
Does the E indicator light
Check the Ground Circuit:1. Turn the ignition switch OFF.2. Disconnect the B (25P) connector from the PCM.3. Check tor continuity betweenthe 820 terminal and bodyground, and between the 822terminal and body ground.
Fepair open in th. wirosb€tw.en the 820 end 822 termi-nals and ground {G1011, !ndrepair poor ground {G1011.
ls there continuity?
Measure Power Supply CircuitVoltage:1. Turn the ignitlon switch ON (ll).
2. Measure the voltage betweenterminals Bl and 822 andbetween terminals B9 and820.
Ropair op€n or short in tho wireb€tween the Bl and/or B!| tarmi-nds and the PGM-FI main .ohy,and between tho PGM-FI mainrelay and the under-hood fuso/r€lav box.
ls there battery voltage?
To page 14-289
14-2AA

From page 14-289
Msaaure D IND Volt.ge:1. Turn the ignition switch OFF.
2. Connect tho B (25Plconnector
to the PCM.
3. Connect a digital multimeter
to the D14 and 820 or 822 ter-
mtnals.il. Turn the ignition switch ON(lll, and make sure that voltage
is available for two seconds
Check for open in the wire
between tha D14 terminal rnd
the gauge a33emblY. lf wiro ia
OK, chock for . frulty indicator
light bulb or a Iaulty gaug.
a3r6mbly printod circuit board.
Check D IND for a Short Circuit:
Check lor continuitY between the
D14 terminal and body ground.
Rgpair 3hort in the wire b.tween
the D14 tcrminal and tho gauge
a*somblY.
Check for loose terminsl fh in the
PCM connectors Check tho A/T
goar posilion switch. It neces'
saiy, iubstitute a known_good
PCM rnd rochock.
PCM CONNECTORS
D {16P1
(BRN/BI.X)D4 IND (GRN/BLK}
Wire side of female terminals
123rs 1/7I215
910nn fT /fl6l112
o lzlzz ,rl/zs 1311- -T---=4'+:l
LG2IBRN/BLKI\=/ |
r lz35
6i /l/t01112
l0
D' IND
o
IGRN/BLKI
4-289

ElectricalTroubleshooting ('gg - 00 Models)
Troubleshooting Flowchart - E Indicator Light On Constantly
FCM CONNCCTOR D tl6PI
23I5
61t012
tsll / rc
II D4 rND
o
(GRN/BLK)
Wire side of female terminals
rcM CONNECTOR A I32PI
ATP Dil {YELI
Wire side of lemale terminals
The E indicator light is on con-stantly {not blinkingl wheneverthe ignition switch is ON lll|.
Mersure D IND Voltage:1. Turn the ignition switch OFF.2. Disconnect the D (16P) con-nector from the PCM.3. Turn the ignition switch ON (ll).4. Measure the voltage betweenthe 014 terminal and bodyground,
Repair short to power in tho wirebstween the Dl4 termin.l sndthe gaug€ r3sembly.
Measure ATP DVoltage:1. Turn the ignition switch OFF.2. Connect the D (16Pi connec-tor to the PCM.3. Turn the ignition switch ON lll).4. Shift to any position other thanE,5. lMeasure the voltage betweenthe 47 terminal and bodyground.
ls there approx. 10 V?
Test the A/T gear position switch{see section 23).
Check for a shorl lo ground inthe wire between tho A7 termi-nal and A/T ge.r polition switch.l, wire is OK, substitute a known-good PCM and recheck.
14-290