1998 ACURA INTEGRA connector

Engine Removal/lnstallation
2. Remove the strut brace.
Make sure iacks and safety stands ate placed plopel-
ly and hoist brackets are attached to the correct po-
sitions on the engine {see section 11,
Make sure the car will not rollolt stands and latl whileyou are wgrking under it.
8 x 1.25 mm24 N.m {2.4 kgf.m,17 tbf.tt)
CAUTION:
. Use fender covers to avoid damaging painted sur-
faces.
Unplug the wiring connectors carelully while holding
the coupler and the connector portion to avoid d8m-
age.
Mark all wiring and hoses to avoid misconnection.
Also. be sure that they do not contact other wiring
or hoses, or intedere with other parts.
NOTE: Anti-theft radios have a coded theft protection cir-
cuit. Be sure to get the customer's code number betore- Disconnecting the battery.- Removing the No.32 (7.5 A) fuse from the under
hood fuse/relay box.
Removing the radio
After service, reconnect power to the radio and turn it
on. When the word "CODE" is displayed, enter the cus
tomer's 5-digit code to restore radio operation.
1. Remove the hood (see section 20).
3.Disconnect the battery negative terminal first, then
the positive terminal.
Disconnect the battery cables Irom the under-hood
Iuse/relay box and under hood ABS {use/relay box.
6x1.0mm9.8 N.'4 (1 .0 kgf .m,
7.2 rbf.ft)
(cont'dl
STRUT BRACE
BAITERY CABLES
5-3

En gine Remova l/l nstal lation
(cont'dl
Remove the intake air duct, air cleaner housing
assembly and the bracket.
6 r 't.0 mm9.8 N.m (1.0 kgt.m, 7.2 lbf.ft)
Remove the evaporative emission {EVAP)
canister hose (B 18B1, B'18C1 eng;nes).
control
5-4
\
7. Remove the brake booster vacuum hose, evapora-
tive emission (EVAP) control canister hose and tuel
return hose (818C5 engine).
Remove the engine wire harness connectors on the
right side of engine compartment.
6 x 1.0 mm9.8 N.m l1.O kgl.m,

Engine Ramoval/lnstallation
(cont'dl
13. Remove the engine wire harness connectors, termi-
nal and clamps on the left side ot engine compan-
menr,
6 x 1.0 mm9.8 N.m 11.0 kgl.m,7.2 tbt.ttl
14. Remove the cruise control actuator.
I x 1.25 mm24 N.m 12.4 kgt.m,17 tbt.ft)
5-6
A/C COMPRESSOR EELT
\
l.15.
to.
Remove the engine ground cable at the body end.
Remove the adjusting bolt and mounting bolts, then
remove the power steering (P/S) pump belt and
pump.
. Do not disconnect the P/S hoses.
MOUNTING BOLTSI x 1.25 mm24 N.m 12.4 kgt'm, 17 lbl.ft)
Loosen the idler pulley bolt and adjusting bolt, then
remove the air conditioning (Ay'C) compressor belt.
IDLER PULLEY BOLT10 x 1.25 mm/14 N'm 14.5 kgf.m, 33 lbt'frl
I
I
't7.

7
30.Disconnect the primary heated oxygen sensor(Primary HO2S) connector, then remove exhaust
pipe A.
818C1 engine:PRIMARYHO2S
8 x 1.25 mm24 N.m 12.4 kgl.m.t7 rbt.fttReplace.
GASKETReplace.
Replace.
SELF-LOCKING I{UT8 r 1.25 mm16 N.m (1 .6 kgf .m,
12 tbt.frtBeplace.
EXHAUSTPIPE A
NUT10 x 1.25 mm54 N.m {5.5 kgt'.n, tlo lbt.ft}Replace.
81881, 818C5 engines:
PRIMARYHO25 CONNECTOF
GASKETReplace.
GASKETReplace.
S€LF.LOCKING NUT
8 x 1.25 mm16 N.m (1.6 kgf'm,12 tbt.fr)Replace.f{UT10 x 1.25 mm54 N.m {5.5 kgf'm,40 lbf.ftlReplace.
8 x 1.25 mm24 N.m (2.4 kgt.m,17 lbf.frlReplace.
31. Remove the shift rod and extension rod {Mff).
8 x 1.25 mm22 N'm 12.2 kgl.m, '16 lbt.ttl
32. Remove the shift cable (A,/T).
I x 1.25 mm22 N-l'. 12.2 kgl.m,16 lbf.frl
SHIFT CABLE
CONTROLLEVER
6 x 'l.O mm14 N.m {1.4 kgf.m, 10 lbt.ft}
SHIFT ROD
RETAINER
SHIFT CABLE
LOCK WASHER
{cont'd)
COVER
5-9

Gylinder Head
Removal (cont'dl
Remove the fuel return hose and positive crankcase
ventilation (PCV) hose.
Remove the brake booster vacuum hose, water
bypass hose and vacuum hose.
ltosE
VACUUM HOSE
6-18
10.
9.
11.
Remove the throttle cable,
Remove the throttle control cable (automatic trans-
mission only).
NOTE:
. Take care not to bend the cable when removing
it. Always replace any kinked cable with a new
one.
. Adjust the throttle cable and throttle control
cable when installing (s€e section 11 and 14).
THROTTLE CONTROLCABLE
ADJUSTING NUT
Remove the engine wire harness connectors and
wire harness clamps f.om the cylinder head and the
intake manifold.
Four fuel injector connectors
Intake air temperature (lATl sensor connector
Engine coolant temperature {ECT) sensor con,
nector
TDC/CKP/CYP sensor connector
lgnition coil connector
ECT gauge sending unit connector
Throttle position (TP) sensor connector
Manifold absolute pressure (MAP) sensor con-
necto r
ldle air control (lAC) valve connector
EVAP purge control solenoid valve connector
Crankshaft speed fluctuation (CKF) sensor con-
nector
a
a
a
a
a
a
a
a
ADJUSTING

Radiator
Replacement
1.
2.
Drain the engine coolant.
Remove the upper and lower radiator hoses, and ATF
cooler hoses.
Disconnect the lan motor connectors.
Remove the radiator upper brackets, then pull up the
radiator.
6 x 'l .0 mm9,8 N.m {1.O kgf.m,7.2 tbl'ltl
UPPER RADIATORHOSE
6 x 1.0 mm9.8 N.m (1.0 kgf.m,7.2 tbt'trl
LOWERCUSHION
CONDENSERFAN SHROUO
FAN MOTOR
ATF COOLERHOSES
COOLING FANSHROUDO-RINGReplace.
6 x 1.O mm9.8 N.m 11.0 kgf.m,7 .2 tbl.ftl
LOWER RADIATORHOSE
FAN MOTORCONNECTOR
5. Remove the tan shroud assemblies and other parts
from radiator.
Install the radiator in the reverse order of removal:
NOTE:
a Set the upper and lower cushions securely.
a Fill the radiator and bleed the air.
UPPER BRACKETAND CUSHION
RADIATOR CAP
u
DRAIN PLUG
jit
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iFuel and Emissions
SDeciaf Toofs ..,...,...............11-2
Component Locations
Index.,..,.,..................................,.,.,.,.,.,..,.,....... 11-3
System Description
Vacuum Connections ..................................,. 11-8
Electrical Connections ................................... 1 1-14
System Connectors ....,.,.,.,............................ 1 1-22
Troubleshooting
Troubfeshooting Procedures ........................ 11.32
Engine Control Module T€rminalArrangement .,.,.,..,.,. 11-39
Diagnostic Trouble Cods Chart .......-.-.......... 11-42
Howto Read Flowcharts ......,..,.,................... 1147
PGM-Fl System
System Description ............ 11-4
Troubleshooting Flowcharts
Engine Control Module ............,...,..,.,........... 11-50
Manifold Absolute PressureSensor...............................,..,.,...,................ 11-54
Intake Air TemDerature Sensor ..........,...,..... 11-58
Engine Coolant TemperatureSensor ....................,.,...,.,........................... 11-60
Throttle Position Sensor .,...........................,. 11-63
Primary Heated Oxygen Sensor(Sensor'l) .......,......,.,. 11-67
Secondary Heated Oxygen Sensorlsensor 2) .................. 11-71
Heated Oxygen Sensor Heater .....................'t1.74
Fuel Supply System ....................................... 1 1-76
Random Mistire ............. 11-78
Misfire Detected in One Cylinder .....,..:,,.,.... 11-79
Knock Sensor .........,.,..,. f -A2
Crankshaft Position/Top Dead Center/Cylinder Position Sensor .,........................ 11-83
Vehicle Speed Sensor .............,.,.,.,....,........... 11-85
Barometric Prsssute Sensor ..,...................... 11-86
Electrical Load Detector ...................,.,.......... 11-88
Crankshaft SDeed FluctuationSensor ...........................................,...,........ 11-90
ECM lnternal Circuit,..............................-......, 11-92
A/T Fl Date Line ............ 11-93
A/T Fl Signal A/B .......... 11-95
I,-1

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Special Tools
L
Ref. No. Tool NumberDescriptionOty J Page Reference
O A973x - 041 - xxxxx
a 07JAZ - 0010008
i0
I
oTPAZ-oo1o1oo
@ oTsAz - ooloooA
O 07406 - oo4oool
Vacuum Pump/Gauge,0 - 30 in.Hg
Vacuum/Pressure Gauge, 0 - 4 in.Hg
SCS Service Connector
Backprobe Set
Fuel Pressure Gauge
1 't1-135, 146, 141,
149, 151
1 ] 1 1-'151
1 11-32,51,70, AO,
86, 139
2 | 11-34
r I ir-1jg,121
11-2