1994 HONDA INTEGRA Radiator

Power Relays
Relay Test
t{ormally-op€n Type:
1. Remove the power relay from its sockat.
2. Check continuity between relay terminals.
a There should be continuity between the A and C
terminals when power and ground ar€ connect-
ed to the B and D t€rminals
a There should be no continuitv wh€n power is dis-
connected.
T6rminal
PowEr (B- D)A
Connactod
Di!c!nnact6d
IP
I
I
tb
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a Power window relay
a Radiator fan relay
a glower motor relav
a Staner cut relay
a Condenser fan .elay
a A/C compressor clutch relay
a ABS t.ont {ail-safe relay
a ABS lear fail-sate relav
.AB
\/
tffit
t[fT4r
\C D,

lgnition Timing Inspection and Setting
1.Start the engine. Hold the engine at 3,00O rpm with
no load (A/T in S or E position, M/T in neutral) until
the radiator fan comes on, then let it idle.
Pull out the service check connector located behind
the right kick panel. Connect the BRN/WHT and BLK
terminals with the SCS short connector.
4. Adiust ignition timing, if necessary, to the follow-
ing specifications:
lgnition Timing:
16 t 2 BTDC (RED) at 75O 1 50 rpm in noutral
NOTE:
a Shift lever must be in neutral.
a All electrical systems should be turned OFF.DATA LINKCONNECTOR {3-P}NOTE: Do not attachthe jumper wire.
POINTER
SCS SHORT CONNECTOR{0?PAZ-O010't 00t
SERVICE CHECK CONNECTOR I2.PINOTE: Located behind the right kickoanel
Connect a timing light to the No.1 ignition wire andpoint it toward the pointer on the timing belt cover.
TIMING LIGHT
lcont'd)
REO MARK
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lgnition System
lgnition Timing lnspection and
Setting (cont'd)
5. To adjust ignition timing, loosen the distributor
mounting bolts, and turn the distributor housing
counterclockwise to advance the timing, or clock-
wise to retard the timing.
MOUNN G BOLTS24 N.m (2.4 kgl.m, 17 lbt'ftl
Tighten the adjusting bolts and recheck the timing.
Remove the SCS short connector trom the service
check connector.
2.
ldle Speed Inspection
Shift to neutral or Ll] and start the engine. Hold the
engine at 3,OOO rpm with no load until the radiator
fan comes on, then let it idle.
Connect a tachometer to the test tachometer con-
nector.
ldle sp6od
M/T: 750 t 50 rpm in neuttal
A/T: 75O t 50 rpm in @ or @
NOTE: Allelectrical systems should be turned OFF.
Adjust the idle speed il necessary (see section 1 1).
b.
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Fan Controls
Fan Motor Test
1. Disconnect the 2-P connector from the fan motor.
2. Test the motot by connecting battery power to the
B terminal, and ground to the A terminal
3. lf the Jan motor fails to run smoothly, replace it.
NOTE: The illustration shows the radiator fan.
Engine Coolant Temperature (ECT)
Switch Test
NOTE: Bleed air from the cooling system atter install-
ing the engine coolant temperature (ECT) switch (see sec-
tion 1O).
1. Remove the ECT switch from the thermostat
housing.
2. Suspend the ECT switch in a container of coolant
as shown.
Heat the coolant and check engine coolanl tempera-
ture with a thermometer.
Check the continuity between the A and B terminals
according to the table:
Terminal
;;,".,"---\
B
Switch
Above 196 2O3"F
{91-95'C)o_-o
Below 181- 189oF
(83-87'C)
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1.
2.
3.
Actuator Assembly Test
Disconnect the 4-P connector from the actuator.
Check that the output linkage moves smoothly.
Connect battery power to the D terminal and groundto the A terminal,
ACTUATOR
Check for I clicking sound trom the magnetic clutch,and that the output linkage is locked. lf the outDutlinkage is not locked, replace the actuator asssmblv.
Check the operation oJ the actuator motor in eachoutput linkago position according to the table (youshould be able to hear the motor).
Actuator Cable Adjustment
Check that the actuator cable operares smoothtvwithout binding or sticking.
Start the engine and warm it up to normaloperatingtemperature (radiator fans come on twicel,
Measure how far the output linkage moves from thefully closed position. Free play should be 1 1 1 1.5mm (O.43 I 0.06 in).
4.
FREE PLAY:1 1 I 1.5 mm (0.43 r 0.06 int
FULLY CLOSED POSITION
4. lf the free play is not within specs, loosen the lock-nut and turn the adjusting nut as required.
NOTE: lf necessary, check the throttle controlsys-tem {see section 1 I }, then recheck the output link-age free play.
5. Retighten the locknut and recheck the free play.
Battery
polaritiesOutput linkage
position
oFULLY
CLOSED
MIDDLE
POStTtON
FULLY
OPEN
Terminal
B
Terminal
The
molor
runs.
The
molor
runs.
The
molor
srops.
I
TerminalTerminal
The
motor
stops.
The
motor
runs.
The
motor
runs.
FULLY CLOSED
,tilr
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