Page 769 of 2189

Troubleshooting Flowchart - Shift ControtSolenoid Valve B
NOTE: Record all freeze data before you troubleshoot.
Possiblg Cause
. Disconnectgd ihilt control
solenoid valve A/B conneciotr Short or oDen in shift conlrol
3olgnoid vrlve B wito. Faulty 3hift control solenoid
velve B. Op€n in VB SOL wirercM CONNECTORS
LGlIBRN/BLKI LG2IBRN/BLK)
Wire side of {emale terminals
LGi (BRi|/BLKILG2 IBRN/8LK)
To page 14-92
(cont'd)
14-91
. OBD ll Scan Tool indic.l6 Code
P0758.' Self-diagnosb El indicator light
blinks eighl tim6.
Check tor a Shortto Power:
1. Turn the ignition switch OFF
2. Disconnect the B (25P) and D(16P) connectors from the
PCM.3. Turn the ignition switch ON (lli.
4. Measure the voltage between
the D2 and 820 or 822 termi
nals,
Repaft 3hon to Powor in the wir€
b€tirvoon the D2 termin.l and the
3hift control solenoid valve B.
M€asure Shift Control SolenoidValve B R6isttnce:1. Turn the ignition switch OFF
2. Measure the resistance
between the D2 and 820 or
822 terminals.
ls the resistance 12 - 25 O?
Me.sure VB SOL Vohage:1. Turn the ignition switch ON (ll).
2. Measure the voltage betweenthe D5 and 820 or 822 termi'
nars.
Check lol blown No 15 {7.5 Al
fuse in the under-d.sh luae/rolav
box. ll the fuse is OK, repair open
in ihe wire between tho D5 ter-
minal and the under'dash fus€/relav box.
ls there battery voltage?
Check for loo3e terminal fit in the
PCM connectols. lf necossarY,
substitute a known_good PCM
and rocheck,
B (25Pt - I lD {16P)
B {25P1 D (t6Pl
Page 770 of 2189

Electrical Troubleshoot:ng ('gg - 00 Models)
Troubleshooting Flowchart - Shift Control Solenoid Valve B (cont,dl
PCM CONNECTOR A {25PI
LGl (BRN/BLK)
IBRN/BLKI LG2IBRN/BLK)
Wire side of temale terminals
Wire sid€ ot female terminals
FCM CONNECTORS
SHIFT @NTROL SOENOID VALVEA/A ASSEMBLY CONNECTOR (2PI
.-_
1)2-.T-
I sn e tcanlwxrt
(o
YI
Terminal side oI male terminals
Check for continuity between the820 terminal and body ground,and between the 822 terminaland body ground.
Ropair opan in the wirgsb.twocn the 820 rnd 822 te.mi,n.ls and ground lG10t), and..p.ir poor ground lG10t).
Check Shift Control Sol.noidVrlve B tor a Short Ci.cuit:1. Disconnect the 2P connectorfrom the shift control solenoidvalve A/B assembly.2. Check for continuity betweenthe D2 and 820 or 822 termi-nals.
Repair 3hort to ground in tho wirebotw.en tha 02 torminsl and theshift com.ol rolonoid v.lv. B.
Meaiuro Shift Cont.ol SolonoidVrlve B Raailtrnca at the SolonoidConn€c,toa:Messure the r€sistance belweenthe No. 2 terminal of the 6hiftcontrol solenoid valve A/Bassembly connector and bodyground.
R.pl.co th. 3hift control lolenoidv!lv. A/8.lsombly.ls the resistance 12 - 25 O?
Chack for open in the wi.ebetwoon th€ D2 termin.l and the3hift control lolanoid valv6 8.
B (25P1 - llDt
From page'14-91
SH B (GRN/WHTI
\
14-92
Page 771 of 2189

Troubleshooting Flowchart - Countershaft Speed Sensor
NOTE: Record all freeze data before you troubleshoot
Po$iblo Cause
. Loos€ or fsulty conneclionbetween the PCM and vehicle
hainoss' Disconnectod countersh.ft
spoed senaof connoctor. Short or opgn in counteBhaft
3Deed aensor wire. Faulty counloEhaft 3p€ed sen'
soa
COUNTERSHAFf SPEED
SENSOR CONNESTOR
Terminal side oI male terminals
FCM CONNECTOR D I16PI
rconl c
1+93
NC IBLUI
. OBD ll Scan Tool indicat6 Code
PO720.. Self-diagnosis E indicator light
blinks nin6times.
Check the countershaft sPeed
sensor installation, and check it
lor damage.
ls the countershaft speed sensor
installed properly, and not dam-
aged?
Reinstall or replace and rechock.
Measurg Counlershatt SPeed
Sgn3ol R6istance at tho Son3ol
Connector:1. Disconnect the 2P connector
from the countershaft sPeed
sensor.2, Measuro countershaft sPeed
sensor resistanca at the sensor
connector.
ls the resistance 400 - 600 O?
Chcck CounteEh.tt SPeed Sen'
sor lor a Short Circuit:1. Disconnect the D {16P) con
nector trom the PCM.2. Check lor continuity between
body ground and the D10 ter_
minal and D16 terminal indi-
vid!ally.
R6oai. short in tl|€ wi.6a bstwa€n
the D10 and D16 t.rminali end
tho countdthatt rP€od senaor.
To page 14 94
Wire side of temale terminals
Page 772 of 2189
Electrical Troubleshooting ('gg - 00 Modelsl
From page 14-93
Measure CounteJahaft SpeedSensor Circuit tor an Open:1. Connect the countershaltspeed sensor connector,2. Measure the resistancebetween the Dl0 and D16 termtnats.
Roptir loo.€ t6.minal or opan inth6 wir€! betwo€n lho D10 lndD16 t.rmina13 and the count.r-shatt apaad aaNor.
ls the resistance 400 - 600 O?
Check for loose t.rminal frt in thePCM connectors. It necalsary,3ubstitute a known-good PCMand recheck.
Troubleshooting Flowchart - Countershaft Speed Sensor (cont,d)
PCM CONNECTOR D I16PI
Wire side of female terminals
\
14-94
Page 773 of 2189

Troubleshooting Flowchart - Mainshaft Speed Sensor
NOTE: Record all freeze data before you troubleshoot.
Possible Causg
. Diaconn€cted mainshaft spoed
sen3or connector'Short or open in mainshaft
sDeed sen3or wile. Faulty main3halt speed sensor
NOTE: Code P0715 (15) on the PCM doesn't
always mean there's an electrrcal problem in
the mainshaft or countershaft speed sensor
circuit; code P0715 {15) may also indicate a
mechanical problem in the transmissjon Any
problem causing irregular countershaft to
mainshalt speed difference can cause thls
code.
lll ,..TT
(ol-i-l
tl
side oI male terminals
MAINSI{AFT SPEEDSENSOR CONNECTOR
Terminal
PCM CONNECTOR D (16P)
NMSG (WHT)
Wire side of female terminals
(cont'd)
14-95
. OBD ll Scan Tool indicates Codem715.. Sell-diagno3is E indicator indi-
cates Code 15.
Check the mainshaft and counter-
shatt speed sensors installation,
and check them for damage.
Are the mainshaft and countershaft
speed sensor installed properly,
and not damaged?
Rsinalall or replace and rocheck.
Mea3u.e Meinshalt SPeod
Sensor Residance al the Sen3or
Connector:1. Disconnect the 2P connectorfrom the mainshaft sPeedsensor.2, Nreasure mainshaft speed sen_sor resistance at the sensorconnector.
ls the resistance 400 - 600 O?
Check Mainshaft Sp.ed Sen3o.
for a Short Circult:1. Disconnect the D (16P) con-nector trom the PCM.2. Check lor continuity betweenbody ground and the D11 ter'minal and D12 terminal indi
vidually.
Bopair 3hort in the wiros b€twe€nthe 011 and D12 termin.ls rndth€ main3hett sp€€d aensoa.ls there continuity?
To page 14 96
Page 774 of 2189
![HONDA CIVIC 1996 6.G Workshop Manual Electrical Troubleshooting (gg - 00 Models)
Troubleshooting Flowchart - Mainshaft Speed Sensor (cont,dl
Wire side of female terminals
PCM CONNECTOR D {16PI
23/)
618
rghrll [e]
NM IREDI
(
I
NMSG {WHTI HONDA CIVIC 1996 6.G Workshop Manual Electrical Troubleshooting (gg - 00 Models)
Troubleshooting Flowchart - Mainshaft Speed Sensor (cont,dl
Wire side of female terminals
PCM CONNECTOR D {16PI
23/)
618
rghrll [e]
NM IREDI
(
I
NMSG {WHTI](/manual-img/13/6068/w960_6068-773.png)
Electrical Troubleshooting ('gg - 00 Models)
Troubleshooting Flowchart - Mainshaft Speed Sensor (cont,dl
Wire side of female terminals
PCM CONNECTOR D {16PI
23/)
618
rghrll [e]
NM IREDI
(
I
NMSG {WHTI
(REDI
MAINSHAFT SPEEDSENSOR OONNECTORRED
Wire side of female terminals
NMSG IWHTI
From page l4-95
Measure Mainshatt SpeedSensor Resistance:1. Connect the mainshaft speedsensor connector.2. Measure the resistance bet-ween the Dl1 and D12 termi-nats.
Run the Electricel Troubl€shootingFlowchart lor cod6 m?m l9).Ch€ck lor loo.o te.minol fit in th6PCM connectors. lf necossary,substitute r known-good PCMend .echeck.
ls the resistance 400 - 600 0?
Check NM Wire Continuity:1. Disconnect the 2P connectorfrom the mainshaft speed sen-sor.2. Check for continuity betweenthe D11 terminal and the No. 2terminal ot the mainshaftspeed sensor connector,
Ropair opon in the wiro lratwoentho Dll tsrminal and tha main-3hatt spe€d sensor.
Check NMSG Wire Continuity:Check for continuity between theDl2 terminal and the No. 1 termi-nal of the mainshaft spoed sen-
Repai. open in the wire betwoenthe D12 terminal and the mein-shaft 3peod sansor.
Check Ior loose terminal fit in thePCM connectors. lf necesaary.substitute a known-good PCMand recheck.
1235
678
t1vNM
o
617 89ll12
Io
t1v
WHT
1
\
14-96
Page 775 of 2189

Troubleshooting Flowchart - Linear Solenoid
NOTE: Record all freeze data before you troubleshoot.
Poitibl. Cau3.
. Disconnacted linoaJ tolanoidconnaclol. Shorl or opon in linolr solonoid
. Flulty linoar 3olenoid. ODon in VB SOL wit.. ODen in PG linoPCftI @NNECTORS
Wire side ol female terminals
PCM OONNECTOR B I25PI
LGT (BNN/BLKI LG2 {BBN/BLKI
Wir6 side of Iemale terminals
LINEAF SOITNOID OONNECTOR
Flr-11=T=T
olYI
L_l
Terminal side of mal€ termanals
(cont'd)
B t25Pl D {16P1
. OBD ll Scln Tool indic.t.t CodoP1768.. Self-diagnosis E indicltol indi-
cat6 Cods 16.
Moasur. VB SOL Voltago:1. Turn the ignition switch OFF.2. Disconnect the B {25P) and D(16P) connectors from thePCM.3. Turn the ignition switch ON (lll.
4. Measure the voltage between
the D5 and 820 or 822 termi-
nals.
Ropair opan or thort in dla wi.9hrw..n th. D5 t.rminrl .nd th.
und.r-d.rh fu ta/r.l.y box.
Ch.ck th. Ground Circuit:1. Turn the ignition switch OFF.2. Check lor continuity betwoenthe terminals 82 and 822 and
between terminals 810 and820.
Rapair opal| in tfr wi|! batlwaoth. tcrrnln.l. 82, B10, B:20. .ndBZI .id Gt01. R.p.ir poor ground
tG10rl.
M.!sure Linea. SolenoidRcai3tancc rt tha SolanoidConn6ctor:1. Disconnect the linearsolenoidconnectol,2. Measure the resistance of thelinear solenoid.
ls the resistance approx. 5 O?
To page 14-98
1+97
Page 776 of 2189
Electrical Troubleshooting ('99 - 00 Modelsl
Troubleshooting Flowchart - Linear Solenoid (cont'dl
Check Linea. Solenoid tor aShort Ci.cuit:Check for continuity between thebody ground and the 88 terminaland B17 terminal individually.
PCM CONNECTOR A {25PI
Wire side of female terminals
From page 14 97
Repair shon in the wir6 betweenth€ 88 and 817 terminals and thelin€ar solenoid,
Measure Linear SolenoidResistance:1. Connect the linear solenoidconnector,2. Meas u re the resistancebetween the Bg and 817 termtnals,
Repair loose te.minal or open inthe wire botwoen the 88 .nd Bl7t.rmin.b end the linoar 3olenoid.
ls the resistance approx. 5.0 O?
Check for loose terminal tit in thePCM conn€ctors, lf necessary,substitut6 a known-good PCMand recheck.
LSAM (WHTI
14-98