Page 241 of 4770

5. REMOVE AIR CLEANER CAP, RESONATOR AND
AIR CLEANER HOSE
(a) Disconnect the intake air temperature sensor connector.
(b) California only:
Disconnect the air hose from the air cleaner hose.
(c) Loosen the air cleaner hose clamp bolt.
(d) Disconnect the 4 air cleaner cap clips.
(e) Disconnect the air cleaner hose from the throttle
body, and remove the air cleaner cap together with
the resonator and air cleaner hose.
INJECTORS REMOVAL
(See Components for Removal and Installation)
1. DISCONNECT NEGATIVE (±) TERMINAL CABLE
FROM BATTERY
CAUTION: Work must be started after 90 seconds from
the time the ignition switch i: turned to the ªLOCKº
position and the negative (±) terminal cable is discon±
nected from the battery.
2. DRAIN ENGINE COOLANT
3. A/T:
DISCONNECT THROTTLE CABLE FROM
THROTTLE BODY
4. DISCONNECT ACCELERATOR CABLE FROM
THROTTLE BODY
6. REMOVE THROTTLE BODY
(a) Disconnect throttle position sensor connector.
(b) Disconnect IAC valve connector.
± 5S±FE ENGINEMFI/SFI SYSTEMEG1±191
Page 246 of 4770

(l) Connect SST (wire) to the injector and battery for 15
seconds, and measure the injection volume with a
graduated cylinder. Test each injector 2 or 3 times.
SST 09842±30070
Volume:
49 ± 59 cm (3.0±3.6 cu in.) per 15 sec.
Difference between each Injector:
5 cm (0.3 cu in.) or less
If the injection volume is not as specified, replace the
injector.
2. INSPECT LEAKAGE
(a) In the condition above, disconnect the test probes of
SST (wire) from the battery and check the fuel leakage
from the injector.
SST 09842±30070
Fuel drop:
One drop or less per minute
(b) Disconnect the negative (±) terminal cable from the
battery. SST 09268±41045 (09268±41080)
Torque: 18 N±m (180 kgf±cm, 13 ft±lbf)
(f) Install the grommet and a new O±ring to the injector.
(g) Connect SST (union and hose) to the injector, and hold
the injector and union with SST (clamp).
SST 09268±41045
(h) Put the injector into a graduated cylinder.
HINT: Install a suitable vinyl hose onto the injector to
prevent gasoline from splashing out.
(i) Using SST, connect terminals +B and FP of the data
link connector 1.
SST 09843±18020
(j) Reconnect the negative (±) terminal cable to the
battery.
(k) Turn the ignition switch ON.
NOTICE: Do not start the engine.
(c) Remove the SST.
SST 09268±41045 and 09843±18020
± 5S±FE ENGINEMFI/SFI SYSTEMEG1±196
Page 257 of 4770
5. REMOVE AIR CLEANER CAP, RESONATOR AND
AIR CLEANER HOSE
(a) Disconnect the intake air temperature sensor connec±
tor.
(b) California only:
Disconnect the air hose from the air cleaner hose.
(c) Loosen the air cleaner hose clamp bolt.
(d) Disconnect the 4 air cleaner cap clips.
(e) Disconnect the air cleaner hose from the throttle
body, and remove the air cleaner cap together with
the resonator and air cleaner hose. 1. DISCONNECT NEGATIVE (±) TERMINAL CABLE
FROM BATTERY
CAUTION: Work must be started after 90 seconds from
the time the ignition switch is turned to the ªLOCKº
position and the negative (±) terminal cable is discon±
nected from the battery.
2. DRAIN ENGINE COOLANT
3. DISCONNECT ACCELERATOR CABLE FROM
THROTTLE LINKAGE
4. A/T:
DISCONNECT THROTTLE CABLE FROM
THROTTLE LINKAGE
6. REMOVE THROTTLE BODY
(a) Disconnect the throttle position sensor connector.
(b) Disconnect the IAC valve connector.
THROTTLE BODY REMOVAL
± 5S±FE ENGINEMFI/SFI SYSTEMEG1±207
Page 271 of 4770
MAP SENSOR INSPECTION
1. INSPECT POWER SOURCE VOLTAGE OF MAP
SENSOR
(a) Disconnect the MAP sensor connector.
(b) Turn the ignition switch ON.
(c) Using a voltmeter measure the voltage between con±
nector terminals VC and E2 of the wiring harness side.
Voltage:
4.75 ± 5.25 V
(d) Reconnect the MAP sensor connector.
MANIFOLD ABSOLUTE PRESSURE
(MAP) SENSOR
± 5S±FE ENGINEMFI/SFI SYSTEMEG1±221
Page 272 of 4770
2. INSPECT POWER OUTPUT OF MAP SENSOR
(a) Turn the ignition switch ON.
(b) Disconnect the vacuum hose on the air intake cham±
ber side.
(c) Connect a voltmeter to terminals PIM and E2 of the
ECM, and measure the output voltage under ambient
atmospheric pressure.
(d) Apply vacuum to the MAP sensor in 13.3 kPa (100
mmHg, 3.94 in.Hg) segments to 66.7 kPa (500 mmHg,
19.69 in.Hg).
(e) Measure the voltage drop from step
(c) above for each
segment.
Voltage drop:
Applied
Vacuum
kPa
(mmHg
in.Hg)66.7
( 500
19.69) 53.5
( 400
15.75) 40.0
( 300
111.8) 13.3
(100
3.94 )26.7
(200
7.87)
Voltage
drop V0.7±0.9
0.3±0.5
1.1 ±1.3 1.5 ± 1.71.9 ± 2.1
± 5S±FE ENGINEMFI/SFI SYSTEMEG1±222
Page 283 of 4770
SUB OXYGEN SENSOR
SUB OXYGEN SENSOR INSPECTION
INSPECT SUB OXYGEN SENSOR
HINT: Inspect only when code No. 27 is displayed.
(a) Cancel the diagnostic trouble code. (See page EG1±299)
(b) Warm up the engine until it reaches normal operating
temperature.
(c) M/T:
Drive for 5 minutes or more at a speed less than 80
km/h (50 mph) in 4th or 5th gear.
A/T:
Drive for 5 minutes or more at a speed less than 80
km/h (50 mph) in ªDº position.
(d) Following the conditions in step (c), fully depress on
the accelerator pedal for 2 seconds or more.
(e) Stop the vehicle and turn the ignition switch OFF.
(f) Carry out steps (b), (c) and (d) again to test accelera±
tion. If code No.27 appears again, check the sub oxygen
sensor circuit. If the circuit is normal, replace the sub
oxygen sensor.
± 5S±FE ENGINEMFI/SFI SYSTEMEG1±233
Page 285 of 4770
2. CONNECT TACHOMETER TO ENGINE
Connect the test probe of a tachometer to terminal IG
(±) of the data link connector 1.
NOTICE:
wNEVER allow the tachometer terminal to touch
ground as it could result in damage to the igniter
and/or ignition coil.
wAs some tachometers are not compatible with this
ignition system, we recommend that you confirm
the compatibility of yours before use.
3. INSPECT FUEL CUT RPM
(a) Increase the engine speed to at least 2,500 rpm.
(b) Use a sound scope to check for injector operating
noise.
(c) Check that when the throttle lever is released, injector
operation noise stops momentarily and then resumes.
HINT: Measure with the A/C OFF.
Fuel return speed:
1,500 rpm
4. DISCONNECT TACHOMETER
FUEL CUT RPM
FUEL CUT RPM INSPECTION
1. WARM UP ENGINE
Allow the engine to warm up to normal operating
temperature.
± 5S±FE ENGINEMFI/SFI SYSTEMEG1±235
Page 292 of 4770
WATER PUMP REMOVAL
1. DISCONNECT NEGATIVE (±) TERMINAL CABLE
FROM BATTERY
CAUTION: Work must be started after 90 seconds
from the time the Ignition switch is turned to the
ªLOCKº position and the negative (±) terminal cable
is disconnected from the battery.
2. DRAIN ENGINE COOLANT (See page EG1±241)
3. REMOVE TIMING BELT (See page EG1±26)
4. REMOVE NO. 1 IDLER PULLEY AND TENSION
SPRING
Remove the bolt, pulley and tension spring.
WATER PUMP
COMPONENTS FOR REMOVAL AND
INSTALLATION
± 5S±FE ENGINECOOLING SYSTEMEG1±242