1998 ACURA INTEGRA lights

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Emission Gontrol System
System Description
Three Way Catalytic Converter (TWCI
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The emission control system includes a Three Way
Catalytic Converter (TWC), Positive Crankcase Ventilation
(PCV) system and Evaporative Emission (EVAP) Control
system. The emission control system is designed to meet
tederal and state emission standards.
InsDeciion
!@@ Do not smoke during this procedure. Keep
any open llame away from your work area.
1. Start the engine. Hold the engine at 3,000 rpm with
no load {in Park or neutral) until the radiator fan
comes on, then let it idle.
2. Connect a tachometer.
Check and adjust the idle speed, if necessary (see
page '11-11 ! ).
Warm up and calibrate the CO meter according to the
meter manufacturer's instructions.
Check idle CO with rhe headlights, heater blower,
rear window defogger, cooling fan, and air condition-
er off.
NOTE: {Canada) Pull the parking brake lever up.
Start the engine, then check that the headlights are
olf.
CO meter should indicste 0.17o maximum.
DescriDtion
The Three Way Catalytic Converter {TWC) is used to convert hydrocarbons (HC), carbon monoxide (CO), and oxides of
nitrogen (NOx) in the exhaust gas, to carbon dioxide (COr), dinitrogen {Nr) and water vapor.
Bl8Cl engine l818Bl, 818C5 engines is similar):
FRONT OFVEHICLE
PRIMAEYHEATEDOXYGEN SENSORIPRIMARY HO2S}
HOUSING
WAYCATALYSTS
SECONOARYHEATEDOXYGEN SENSOR{SECONDARYH02St
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Transmission Assembly
Removal
r@i Make surs iacks and safety stands sro placod propor-
ly (3ee s€ction 1).
. Apply parking brake and block resr whaeb 30 vohicle
will not roll off stands and hll on You whil6 working
under it.
CAUTION: Use fender covers to svoid damaging
paintod surtacos.
1. Disconnect the negative (-) cable from the battery,
then the positive {+) cable.
2. Remove the intake 8ir duct and the air cleaner hous-
ing assembly,
AIR CLEANERHOUSINGASSEMBL
Disconnect the back-up light switch connector and
the transmission ground wire.
BACK.UP LIGHTSWITCH CONNECTOR
TRANSMISSIONTRANSMISSIO
GROUND WIRE HANGEB B
4. Remove tne lowei radiator hose"clamp from the
transmission hsnger B.
INTAKE AIR DUCT
13-4
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5. Remove the wire hsrness clamps.
VSS CONNECTOR
Disconnect the starter motor cables and the vehicle
speed sensor (VSS) connector.
Remove the clutch pipe bracket and the slave cylin-
der.
NOT€: Do not operate the clutch pedsl once the
slave cvlinder has been removed.
7.

Transmission Housing
Removal
NOTE:
. lf tho transmission housing or clutch housing are
replaced, the bearing preload must be adjusted
(818C1 8nd 818C5 engines).
. Place the clutch housing on two pieces of wood thick
enough to keep the mainshaft from the hifting the
workbench.
1. Remove the back-up light switch.\
2. Remove the transmission hanger B.
3. Remove the set screws, the springs, and the steel
balls.
BACK-UP LIGHTswrTcHTRANSMISSIONHANGER B
STEEL BALLD. 5/16 in
SET SCREW
WASHERReplace.
Remove the reverse idler gear shaft bolt.
13-10
5. Loosen the transmission housing attaching bolts in
a crisscross pattern in several steps, then remove
them.TRANSMISSION
Remove the 32 mm sealing bolt.
Expand the snap ring on the countershaft ball bear-
ing and remove it from the groove using a pair of
snap ring pliers.
6.
7.
ATTACHING BOLT
SNAP RING
32 mm SEALING BoLT

Transmission
20.
21.
Reassembly (cont'dl
Installthe dowel pins.
Install the transmission housing by aligning the
groove in the housing with finger on the stop ring.
GROOVE
Lower the transmission housing with the snap ring
pliers, and set the snap ring in the groove of the
countershaft bearing.
TRANSMISSIONHOUSING
13-44
23. Check that the snap ring is securely seated in the
groove of the countershaft bearing.
Dimension @ as installed: 4.6 - 8.3 mm
(0.181 - 0.327 inl
24. Install the transmission hanger A and back-up light
switch clarnp, then tighten the transmission hous-
ing attaching bolts in the numbered sequence
shown below.
ATTACHING BOLTSI x 1.25 mm27 N.m (2.8 kgf.m, 20 lbf.ft)
BACK.UP LIGHTSWITCH CLAMP
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Electrica I Troubleshooti n g
Troubleshooting Flowchart - Brake Switch Signal
Symptom
Shift lovar clnnot bo moved Itom
E pGition with the brske pod.l
dsoressod.
v
TCM CONNECTORS
WIRE SIDE OF FEMALE TERMINALS
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lr
Check Brako Light Oporation:Deoress the brake Dedal.
Repair taulty brako switch circuit{soo 3€qtion 231.Are the brake lights ON?
Mea.ur6 STOP sw voh.ge:1. Turn the ignition switch OFF.2. Disconnect the A (26P) and B(22P) connectors lrom theTCM.3. Moasure the voltage botweenthe 812 and A13 or 426 termi-nals with the brake podal
depressed.
R€plir opon in the wire Itstwoonth€ 8'l2 torminal and bi.ke svtidt.
. 8rak6 switch signal b OK.. check lor loose TcM connoc-to]s, lf nsce$ary, sub3tituts aknown-good TcM and rochock.. lnsooct tho brake swilch circuit(soo scction 231.
, 14-86
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a
BrakePedal
Pedal Height
1. Disconnect the brake switch connector, loosen thebrake switch locknut, and back oll the brake switchuntil it is no longer touching the brake pedal.
2. Turn up the jloor mat, and measure the pedal heightfrom the lett srde center of the pedal pad.
PUSHROD ERAKE SWITCHLOCKNUT LOCKNUT
swtTcH
BRAKE PEOAL PAOI
MEASURINGPOINT
Standard Pedal Hsight (wiih ftoor m8t removedl:
M/T: 160 mm {6 5/16 in}
A/T: 165 mm (6 1/2 in)
3. Loosen the pushrod locknut, and screw the pushrod
in or out with pliers until the standard pedal height
from the floor is reached. After adjustment, tighten
the locknut firmly. Do not adjust the pedal height
with the pushrod depressed.
{1.5 kgf.m, 11 lbt.ftl
19-5
Screw in the brake switch until its plunger is fully
depressed (threaded end touching the pad on thepedal arm). Then back off the switch 1/4 turn tomake 0.3 mm (0.01 in) of clearance between thethreaded end and the pad. Tighten the locknut firm-ly. Connect the brake switch connector.
CAUTION: Make sure that the brake lights go oflwhen the pedal is released.
5. Check the brake pedal free play as described below.
Pedal Free Play
1. Stop the engine, and inspect the play on the pedal
pad by pushing the pedal by hand.
Free Play: 1 - 5 mm {l/16 - 3/16 in)
2. lf the pedal free play is out of specification, adjustthe brake switch. tf the pedal free play is insuffi_cient, it may result in brake drag.
PEDAL PAD

Headliner
Replacement
CAUTION: When prying with a llat tip screwdriver. wrap
it with protective tape to prevent damage.
NOTE:
a Take care not to bend and scratch the headliner.
a Be careful not to damage the dashboard and other in
renor rr|m.
a Fold the front seat-back backward.
Hatchback
1. Remove:
a Door trim (see page 20-93)
. Front pillar trim (see page 20-91)
a Ouarter trim (see page 20-93)
a Coat hanger (see page 20 93)
a Rearview mirror (see page 20-52\
2. Remove the sunvisor and holder from each side.


: Sc.ew locations, 6
^l
r$,,
)
LOCK WASHER(o{rtsid€}
^cl
H
A2P-suNvlsoR
)
ERACKErHOLOER
20-98
3. Remove the lront and rear ceiling lights, then dis-
connect the connectors.
: Screw, nut locations
A : Screw, 2B : Nut, 2
\g .)Y)
HOOK
)
(s)
V AI ./
LENS
HOOK
A
N)
YLENS
CONNECTOR
CONNECTOR

3. Remove the front and rear ceiling lights, then djs
connect the connectofs.


: Screw, nut locations
AA
CONNECTOR
FRONTLIGHTCEILING
REAR CEILINGLIGHT
HOOK
A
N
LENS
CONNECTOR
Remove the grab handles (Iront and
senger's) and grab holF caps {dl|ver'sr.
GRAB HANDLE
GRAE HOLE CAPS
Screw locations.
ciEI
6t
J-.
20-101