1998 HONDA CIVIC pcm reset

Electrical Troubleshooting ('99 - 00 Modelsl
Troubleshooting Flowchart - Shift Control System
NOTE: Record allfreeze data before you troubleshoot.
Po33ibl. Crus6
Frulty 3hift control ryrtom
. OBD ll Scan Tool indicrtd Codem730.. Self-dirgnosis E indicatorlight indicst€. Codo 41.
Check for Anoth€. Code:Check whether the OBD ll scantool or the E indicator lightindicate another code.
Prrf orm tho Troublc!hootingFlowch.rt for th. indicrt.dCod.l3l. R.ch.ck tor cod. m730141| .tt r troubldhootlng.
Doesthe OBD llscan tool orthe E indicator light indi-cate another code?
Test 13t, 2nd, 3rd .nd 4th ClutchPrglture:Measure the 1st, 2nd,3rd and 4thclutch pressure (see page 14-119thru 14 121).
R.prir tho hydrlulic ayrtam aan.c.3t..y lr.o p!9. lil-119 rnd1+1211.
ls each clutch pressure withinthe service limit?
Roplace Shift Control SolenoidValve Asembly. Linoar Sol.noidAssembly .nd Recheck:1. Replace the shift controlsolenoid valve A/B assembly(see page 14-106).2. Replace the linear solenoidassembly {see page 14-108}.3. Turn the ignition switch OFFand reset the PCM memory byremoving the BACK UP (7.5 A)fuse in the under-hood fuse/relay box for more than 10seconds,4. Drive the vehicle at over 12mph (20 kn/h) in 1st, 2nd, 3rdand 4th gear lo. more than 30seconds at lPll position.5. Recheck for code P0730 (41).
Doesthe OBD Ilscan tool orthe E ;ndicator light indi-cate code P0730 (41)?Th. sFtcm b OK .t this time.
NOTE: Do not continue with this lroubleshooting until the causes ot anyother OTCS have beon corrected.
I
14-100

Troubleshooting Procedures
l. How To Begin Troubleshooting
When the E indicator light has been reported on, use the appropriate procedure below to diagnose and repatr theproDlem.
A. When the @ indicator light has come on:
l connect the Honda PGM Tester or an oBD ll Scan Tool to the 16P Data Link Connector (DLc) located near the leftkick panel.
Turn the ignition switch ON (ll).
Check the DTC and note it. Also check and notethe freeze frame data.
Refer to the Diagnostic Trouble Code Chart andbegin troubleshooting.
INOICATORLIGHT
NOTE: SeetheOBDll Scan Tool or Honda PGM Tester user's manuals for specific operating instructions.
Some PGM-FI problems will also make the E indicator light come on. After repairing the pGM-Fl system, disconnect theBACK UP fuse (7.5 Al in the under-hood fuse/relay box for more than l0 seconds to reset the TCM or PCM memory, rnenrecheck.
NOTE: Disconnecting the BACK UP fuse also cancels the radio preset stations and the clock setting. Make note of theradio presets before removing the fuse so you can reset them,
2.
3.
o0\e--loo
OATA LINK CONNECTOB I16P}
14-234

B. DTCS will be indicated by the blinking of the E indicator light with the SCS service connector connected to the
Service Check Connector as shown. (The Service Check Connector (2P) is located under the dash on the passen
ger's side of the vehicle.) Turn the ignition switch ON (ll).
CONNECTOR07PAZ - 00101(x)
codes 1 through 9 are indicated by individual shon btinks. codes 10 and above are indicated by a series of long and short
b|inks.one|ongblinkequa|sloshortb|inks.Addthe|ongandshortb|inkstogethertodeterminethecode.Afterdeter
miningthecode,refertothee|ectrica|systemsymptom-to-componentchartonpagesl4-238and14.239forthe,96_98
models, and on pages 14-240 and 14'241 for the '99 - 00 models
Soc DTCI
Sor DTC2
Long blinkShort blinks |tive tim€sl
some pGM-Ft problems wi

atso make the E indicator light come on. After repairing the PGM-FI system, disconnect the
BACKUPfuse(7.5A)intheUnder.hoodfuse/re|ayboxformorethanl0secondstoresettheTcMorPcMmemory,then
recheck.
Scc DTCI5
(cont'd)
14-235
iii:j
,,,/
CONNECTOR {2PI
Shorl blink (oncc)

ll. TCM Reset Plocedure
1. Turn the ignition switch off.
2. Remove the BACK Up fuse (7.5 A) from the under-hood fuse/relay box for 10 seconds to reset the TCM or PCM.
NOTE:
. Disconnecting the BACK UPfuse also cancelsthe radio preset stations and the clock setting Make nole ofthe radio
presets before removing the fuse so you can reset them
BACK UPt7.s Al FusE
. The TCM or PCM can also be cleared by using the OBD ll Scan Tool or Honda PGM Tester'
DATA LINK CONNECTOR {16PI
lll. Final Procedut€
NOTE: This procedure must be done after any troubleshooting
'1. Turn the ignition switch off.
2. Reset the TcM or PCM.
3. Disconnect the OBD ll Scan Tool or Honda PGM Tester from the Data Link Connector (16P), or remove the special tool
from the Service Check Connector.
4. Turn the ignition switch ON (ll), and set the radio presets and clock setting.
OBD ll SCAN TOOL o.PGM TESTER
14-237

-Starter Test
NOTE; The air temoerature must be between 59 and
100'F (15 and 38"C) before testing.
Recommended Procedure:
. Use a staner system tester.
. Connect and operate the equipment in accordance
with the manufacturer's instructions.
. Test and troubleshoot as described,
Alternate Procedurg:
. Use the following equipment:- Ammeter, 0 - 400 A
- Voltmeter, 0 - 20 V (accurate within 0.1 volt)
- Tachometer, 0 - 1,200 rpm
. Hook up a voltmeter and ammeter as shown.
NEGATIVETERMINAL
NOTE: After this test, or any subsequent repair. reset
the ECM/PCM to clear any codes (see section l1)
Check the Start€r Engagemont:
1. Remove the No. 44 (15 A) fuse from the under-hood
fuse/relay box,
2. Turn the ignition switch to START (llll with the shift
lever in E or E position (rVT) or with the clutch pedal
depressed {M/T). The starter should crank the engine.
. lf the starter does not crank the engine, go to
step 3.
. lf itcranksthe engineerraticallyortooslowly, go
to "Check for Wear and Damage" on the next
page.
Check the battery. battery positive cable, ground,
starter cut relay, and the wire connections for loose-
ness and corrosion, Test again.
lf the starter still does not crank the engine, go to
step 4,
Unplug the connector (BLK,/WHT wire and solenoid
terminal) from the starter,
Connect a jumper wire from the battery positive (+)
terminal to the solenoid terminal.
The starter should crank the engine.
. lf the starter still does not crank the engine,
remove it, and diagnose its internal problem
. lf the startercranksthe engine, goto step 6.
Check the ignition switch (see page 23-891.
Check the starter cut relay and clutch interlock switch
(see page 23-86,87).
Check the A/f gear position switch (see page 23-154).
Check for an open in the wire between the ignition
switch and starter.
7.
(cont'd)
23-95
9.