1996 HONDA CIVIC Timing light

Valve Glearance
Adjustment
NOTE:
. Valves should be adjusted only when the cylinder
head temperaturs is less than 100'F (38'C)'
. After adjusting, retorque the crankshaft pulley bolt to
177 N.m (18.0 kgf'm, 130 lbt'ft)
1. Remove the cylinder head cover'
NOTE: Refer to page G86 when installing the cylin-
der head cover.
2. Set No. 1 pi$on at TDC. The "UP" mark on the pullsy
should be at the top, and TDC grooves on the pulley
should align with the pointer on the back cover' TDC
grooves {white paint) on the crankshaft pulley should
align with the pointer on the timing belt lower cover'
Number I Piston at TDC:
4.
Adjust valves on No. 1 cylinder.
lntako: 0.15 - 0.19 mm {0'006 - 0.007 in)
ExhaGt 0.17 - 0.21 mm {0'007 - 0 008 inl
Loosen the locknut, and turn the adjusting screw
until the feeler gauge slides back and forth with a
slight amount of drag.
TAPPET ADJUSTERWFENCH SET07MM - PR70110
TAPPET LOCKNUTWRENCH07MAA - PR70120
Adiusting sclaw location:
LOCKNUT20 N.m {2.0 kgf'm, lil lbt'ftl
(cont'd)
6-57

Oil Seals
lnstallation
NOTE:
. Engine removal is not required.
. The crankshaft oil seal housing should be dry.
Apply a light coat of grease to the crankshaft and to
the lips of the seals.
1. Using the special tool, drive in the timing pulley-
end seal until the driver bottoms against the oil
pump.
When the seal is in place, clean any excess grease
off the crankshaft and check that the oil seal lip is
not distorted.
07947 -S800200
lnstall seal with thepart number sadefacing out.
I
2. Measure the flvwheel-end seal thickness and the oil
seal housing depth. Using the special tool. drive the
flywheel-end seal into the rear cover to the point
where the clearance between the bottom of the oil
seal and the right side cover is 0.5 - 0.8 mm (0.02 -
0.03 in) (see page 7-23).
NOTE: Align the hole in the driver attachment with
the Din on the crankshaft.
DRIVER ATTACHMENT0794a-s800101lnslall seal with thepart number sidefacing out.
DRIVER07749-0010000
7 -29

Troubleshooting
Troubleshooting Procedures (cont,dl
CAUTION:
. Punqturing ihe insulation on a wirs can cause poor or intermiftent electricar connections.I Bring the test€r probe into contacl with the terminatlrom the terminal side of wire harnesg conncctors in the gngin€compartment. For temale connectors, iust touch lightly with the tester probe and do not inse.t the probe.
\I
RUBBER SEAL
Other Probable Causes for an engine that will not start:- Compression- Starting system- lntake air leakage - Overheating- Engine locked up - Battery- Timing belt
TESTER PROBE
Symptom Chart
Listed below are symptoms and probable causes for problems that Do NoT cause the Malfunction indicator Lamp (MlL) tocome on. lfthe MIL was reported on, go to page 11_81.Troubleshoot each probabre cause in the order risted (from reft to right) untir the symptom is eriminated.The probable cause and troubleshooting page reference can be found berow.
L
*: '99 - 00 models
TERMINAL
SYMPTOMPROBABLE CAUSE
4,2,3, 5,20, 14, 1
2, 4, 11, 16, 13, 't9
?, s^6. 16
1,8,10.9
Engine will not sta rt
Hard starting
Cold fast idle too low
Cold fast idle too high
ldle speed fluctuates7,8, 10.9
Troubleshoot for misfire on pages l1-166, 167Misfire or rough running
LOW power
E"g|* "t"lb
2,9, 10, 12, 11, 16, 't8,20
2,4,11,7,20,8,5,15
't9, 21
1r, ,1
Difficult to refuel*
Fuel overflows during refueling*
11-84

ldle Control System
ldle Speed Setting
Inspection/Adiustmenl
'96, '97 Dl6Y5. '96 - 00 Dl5Y8 sngine with M/T
NOTE:
. Before setting the idle speed, check the following
items:- The MIL has not been reported on.- lgnition timing- Spark plugs- Air cleaner- PCV system
o (Canada) Pull the parking brake lever up. Start the
engine, then check that the headlights are off.
1. Start the engine. Hold the engine at 3.000 rpm withno load (taansmission in neutral) until the radiatorfan comes on, then let it idle.
2. Connect a tachometer.
3. Disconnect the IAC valve connector.
4.lf the engine stalls, restart the engine with the accel-
erator pedal slightly depressed. Stabilize the rpm at1,000, then slowly release the pedal until the engineidles.
Check idling in no-load conditionsr headlights. blowerfan. rear defogger, radiator fan, and air conditioner
are not operating.
ldle spsed should be:
450 1 50 rpm
11-220
Adjust the idle speed, if necessary, by removing thecap and turning the idle adjusting screw.
NOTE; After adjusting the idle speed in this step,recheck the ignition timing (see section 23).
lf it is out of spec, go back to step 4.
IDLE
6. Turn the ignition switch OFF.
7. Reconnect the 2P connector on the IAC valve, then
do the ECM reset procedure.
8. Restart and idle the engine with no-load conditionsfor one minute, then check the idle speed.
NOTE: (Canada) Pull the parking brake lever up.Start the engine, then check that the headlights areoff.
ldle sp€sd should b€:
670 i 50 rpm IUSA)750 t 50 rpm {Canada}
9. ldle the engine tor one minute with headlights {Low)ON. and check the idle speed.
ldle speed should be:
750 :r 50 rpm
10. Turn the headlights off. ldle the engine for oneminute with heater fan switch at Hl and air conditioneron, then check the idle speed.
ldle speed should be:
810150 rpm
NOTE: lf the idle speed is not within specification,see Symptom Chan on page 11-84.

ldle Control System
ldle Speed Setting (cont'dl
Inspeqtion/Adiustment
38 D16Y5 engine whh M/T,'99 - 00 81642 engine
NOTE: Before setting the idle speed, check the follow-ing items;- The MIL has not been reported on.- lgnition timing- Spark plugs- Air cleaner- PCV system
'1. Start the engine. Hold the engine at 3,000 rpm withno load (transmission in neutral) until the radiatorfan comes on, then let it idle.
Connect a tachometer.
Disconnect the IAC valve 2P connector and the EVAPpurge controlsolenoid valve 2P connector.
EVAP PURGECONTROLSOLENOID VALVE
lf the engine stalls, restart the engine with the accel-erator pedal slightly depressed. Stabilize the rpm at1.000, then slowly release the pedal until the engineidles.
Check idling in no-load conditions: headlights, blowerfan, rear defogger, radiator fan, and air conditionerare not operating.
ldl€ speed should be:
450 i 50 rpm
11-222
lf necessary, adjust the idle speed, by removrng lnecap and turning the idle adjusting screw.After adjusting the idle speed recheck the ignitlontiming (see section 23). lf it is out of spec, go backto step 4. |DLE
6. Turn the ignition switch OFF.
7. Reconnect the 2P connectors to the IAC valve andthe EVAP purge control solenoid valve, then do theECM reset procedure.
8. Restart and idle the engine with no-load conditionsfor one minute, then check the idle sDeed.ldle speed should bo:
USA:
D16Y5 engine: 670 i 50 rpm
81642 engine: 700 i 50 rpm
Canada:
81642 engine: 750 t 50 rpm
NOTE: lf the idle speed increases to 8lO t 50 rpm,this means the EVAP system is purging the canister.To stop the purging temporarily, raise the enginespeed above 1,000 rpm with the accelerator pedal,
then slowly release the pedal.
9. ldle the engine for one minute with headlights(Low) ON. and check the idle speed.
ldle speed should be:
750 i 50 rpm
10. Turn the headlights off. ldle the engine for oneminute with heater fan switch at Hl and air condi-tioner on, then check the idle soeed.ldls speed should be:
810 t 50 rpm
lf the idle speed is not within specification, seeSymptom Chart on page 11-84.

\
I
'98 - 0O D16Y5 ongine with CvT
Adjust the idle speed using a Honda PGM Tester if pos-
sible. lf not, use the following procedure:
NOTE:
. Leave the IAC valve connected.
. Before s€tting the idle speed, check the following
rtems:- The MIL has not been reported on.
- lgnition timing
- Spark Plugs- Air clean€r
- PCV svstem
'1. Connect a tachometer.
2. Stan the engine. Hold the engine at 3,000 rpm w'th
no load (transmission in E or E] position) until the
radiator Jan comes on, then let it idle.
3. Check the idle speed under no-load conditions:
head lights, blower fan, rear defogger, radiator fan,
and air conditioner are not operatlng.
ldlo spaod ehould bo: 700 t 50 rpm
. lf the idle speed is within the specification, the
procedure is comPlete.
. lf the idle sDeed is out of specitication, 9o to step 4'
4. tf the idle speed is 810 1 50 rpm, this means the
EVAP system is purging the canister. To stop the
purging temporarily, raise the engine speed above
l,OO0 rgm with the accelsrator pedal. Slowly release
the pedal. and rscheck the idl€ speed.
. tf the idle speed is within the specificstion, the
Drocedure is comPlete.
. lf the idle sp€ed is out of spocification, go to step 5.
5. Disconnect th€ EVAP purgs control solenoid valve
2P connector.
EVAP PURGECONTROL
6. Remove the cap and turn the idle adiusting screw
1/2-turn clockwise or counterclockwlse
IDLE
7.After turning the idle adjusting screw 1/2-turn, check
the idl€ speed again. lf it is out of spec, turn the idle
adjusting screw 1/2-turn again.
NOTE: Do not turn the idle adjusting screw more
than 1/2-turn without checking the idle speed.
Turn the ignition switch OFF. Reconnect the EVAP
purge control solenoid valve 2P connector' then do
the ECM reset Procedure.
Start the engine. ldle the engine for one minute with
heater fan switch at Hl and air conditioner on, then
check the idle speed.
ldle spaed should be:
810 t 50 rpm (in El or E Posiiion)
lf the idle speed is not within specification, see
Svmptom Chart on Page 11-84.
9.
SOLENOID VALVE
11-223

Description
Lock-up System (cont'dl
TOROUE CONVERTER
Deceleration Lock-up
. Lock-up Control Solenoid Valve A: ON. Lock-up Control Solenoid Valve B: Duty Operation
OFF - ONa Linear Solenoid Pressure: Low
The PCM switches solenoid valve B on and off rapidly
under certain conditions. The slight lock-up and half
lock-up regions are maintained so as to lock the torque
converter properly.
NOTE: When used, "left" or "right" indicates direction
on the hydraulic circuit,
MOOULATOR PRESSURE
LINEAR SOLENOID PRESSURE
LOCK-UP CONTROLSOLENOID VALVE
RELIEF VALVE
LOCK.UP TIMINGVALVE
COOLER RELIEF VALVE
ATF STRAINER
1434
ATF PUMP

Diagnostic Trouble Code (DTCI
Symptom-to-System Chart
DTC
oH1=DIAGNOSIS/SYMPTOM
DETECTION TIMING
>=PNOBABLE CAUSEi.'sEV98€E
zr\9=6<_6
=t
6tz
NODTC
ABS indicator iighr doesnot com€ on when ignirionswrt.h is lu.ned on (ll)
, Open in the pow€. source circ!ir ror the ABS -.ndicato;l isht. Elown ABS indicalo.lighr butb' Open in rhe ABS indicaror tight drive cncuit.. Shori ro pow€r in theWALpcircuit. FaultyABS contrct!nit
ONABS indicator light doesnol90 oft 6frer engine isOpen in the lG2 circuitOpon in the +B circuirOp€n andlor short ro body ground jn the WALP circuitFaultv AAS coni.ol unnt1
oN.Wheel sensor (op€n/shortOooo13upen, snofiro bodyground and/or shodro power in rhe wh€61
Faulty ABS co.lrctunitllBL12
oN.(chipp€d pulser gea/noise)oao
Short to wh6sls€n6or (O)circuir in t'e.h;;Go-nso, trtcircutiFaulty whsel s€nsor insra|ation
Faulty ABS cont.olunir
I8
31
ONSolenoid (open/shon roaoa
Op.ni shon to bodyground and/o. shorrto powsr in rhe
op€n in lh6 coM circuit
Faulty ABS conlrclunit
32F8-OUTFL.IN3'lFT.OUTRF.IN88 OUT318t rN38RLOUT
ONoo
op€n in tho motor pow€..ourco circliaOp€n inih€ moro.cNOcircuit
Faulty ABS conrrol unit
52ONoo
Open in rh€ COM, PMR 6nd/o. MCKcircuirOp€n.n.Vor blown lus€ in the under hood AgS rusdretry box
Faufty pump moto. rotayfaulv ABS conlrolunit
53ONo
. Sho.tto bodygrou.d in the pMR circuit. Shon to powsr in tha puhp moror pow6rsource circu. r.urty pump motor.etay, FalltyABS contolunit
54ONooc
Open, rhorr ro bodygrcund and/or blown fus€ in the B1 or 82
Shonto body ground.n.Vor short to powor in rhe COM circuitFaulty modul.tor unnFaulty ABS controt unit
ONlgnition voltage (low vott-oooo
. Connection ot the24 V bariorv tor enqins starr. Faurtycharoins system. Op€n in th6lG2 circuit. Fa!lly ABS contrcl unil
81ONCPUoooo
E {€rml facior{sl en bs rhe ouse{sl ot |he probtemF.ulty ABS conrrot unit
r: It DTcs 1 1 18 {wheel sensor codes) wore del*ted the lasr time the v6h cls wEs d riv€n, rhe a8s indicator tight wi

stay on u ntit lh6 ignition swirch is rurn6d oN t), and theconnorunit contnms rhat rhe wheet sensoB . rc OK,
19-58