ACURA INTEGRA 1994 Service Repair Manual

Troubleshooting
NOTE:
a The numbers in the table show the troubleshooting sequence.
a Before troubleshooting,- check the No.15 {10 A) and *No. 24 fuses in the under-dash fuse/relay box, and the No.41 (1OO A), No.39(50 A). and No.42 (20 Al fuses in the under-hood fuse/relav box.- check that the horn sounds.
check the tachometer to see if it wo.ks pfoperly.
*No. 24 {15 A): Bl8B1 engine
No. 24 {2O A}: 818C1 engine
Item to be inspected
Symptom
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og
Cruise control cannot be set.13
G301,
G201 ,
G401
BLU/GBN, LT GRN/RED.
BLU, BLK/YEL, LT GRN,
GRY, ORN. BRN/WHT,
BRN/BLK, BRN/RED or PNK
Cruise control can be set, but
indicator light does not go on.2G201,
G401YEL or RED/BLU
Cruise speed is noticeably higher
or lower than what was set.I3
Excessive overshootjng or
undershooting when trying to set
speed
2I
Steady speed is not held even on
a flat road with cruise control set.23
Car does not decelerate or
accelerate accordingly when SET
or RESUME button is pushed.
2LT GRN/BLK
LT GRN/RED
Set sDeed is not cancelled when
clutch Dedal is oushed (M/Tl.,1
Set sDeed is not cancelled when
shift lever is moved to fM tnnt.I2
Set speed is not cancelled when
brake pedal is pushed.'I2
Set speed is not cancelled when
main switch is pushed OFF.1
Set speed is not resumed when
RESUME button is pushed (with
main switch on, but set speed
temporarily cancelled).
LT GRN/BLK
LT GRN/RED
23-245

Cruise Control
Control Unit Input Test
CAUTION:
a All SRS olectrical wi ng harnessos are covored with
yellow insulation.
a Botore disconnecting any part of th6 SRS wire har-
neaa, connect the short connoctor(sl.
a Roplace the €ntir€ affectod SRS hamass assembly il
il has an opan circuit or damaged wifng.
1 , Remove the dashboard lower cover and knee bolster(see page 23-70).
2. Disconnect the 14-P connector trom the control unit.
Insoect the connector and socket terminals to be
sure they are all making good contact.
a lf the terminals are bent, loose or corroded, repair
them as necessary, and recheck the system.
a It the terminals look OK, make the following in-
Dut tests at the connector.- It any test indicates a problem, find and cor-
rect the cause. then recheck the svstem.- lf allthe input tesls prove OK, the control unit
must be faulty; replace it.
CRUISE CONTROL UNIT
14-P COI{NECTOR
SRS MAIN HARNESS
23-246
Viow from wire side

tlo.WlfeTost condition
*No. 24 (15 Al: 81881 engine
No.24 l2O A): 818C1 engine
Tost: Desired rosultPossibl6 caus€ it losult is not obtained
IBLKUnder all conditionsCheck for continuity to ground:
There should be continuitv.
. Poor ground (G201, G4011. An open in the wire
2BLKryEL
lgnition switch ON (ll)Check for voltage to ground:
There should be battery voltage.
. Blown rNo. 24 fuse in the under-
dash fuse/relay box. An open in the wire
5LT GRNlgnition switch ON (ll)
and main switch ON
Check for voltage to ground:
There should be battery volt€ge.
. Faulty main switch. An open in the wire
4GRY
lgnition switch ON lll),main switch ON and
brake pedal pushed,
then released
Check for voltage to g,ound;
There should be O V with thepedal pushed and battery
voltage with the pedal released,
. Faulty brake switch. An open in the wire
GRN/wHT
Brake pedal push€d,
then r€leased
Check tof voltage to ground:
There should be battery voltage
with the pedal pushed, and O V
with the Dedal released.
Blown No. 42 l2O Al tuse in the
under-hood fuse/relay box
Faulty brake switch
An open in the wire
6RED/BLU
lgnition switch ON (ll)Connect to ground; Indicator
light in the gauge assembly
comes on.
Blown bulb
Blown No. 15 (10 A) fuse in the
under-dash fuse/relay box
Faulty dimming circuit in the gauge
assembly
An open in the wire
7LT GRN/
BLK
RESUME button
pushedCheck for voltage to ground:
There should be battery voltage.
Faulty SET/RESUME switch
Faulty cable reel
An open in the wire6LT GRN/
RED
SET button pushed
qPNK
MT/: Clurch pedal
released
A/T: Shift l€ver in [Zl,
lD:I, or lE.l
-
Check for continuity to ground:
There should be continuity.
NOTE: There should be no con-
tinuity when the clutch pedal is
depressed or when the shift
lever is in other positions.
Faulty or misadiusted clutch switch(M/T)
Faulty A/T gear position switch(A/T)
Poor ground (G201 ,G4O1)An open in the wire
10BLUStart the engine.Chsck for voltage to ground:
There should be battery voltage.
. Faulty ignition system or ECM. An open in the wire
11ORN
lgnition switch ON (ll)
and main switch ON;
rsise the front of the
car, rotat€ one wheel
slowly.
Check Jor voltage between the
ORN @ and BLK O terminals:
There should be O- about
10 V-O- about 1O V
repeatedly.
. Faulty vehicle speed sensor (VSSI. An oDen in the wire
'128RN/WHTConnect battery power
to the BRN/WHT
terminal and ground to
the BRN/BLK terminal.
Check the sound of the actuator
motor: You should hear the mo-
tor running smoothly.
. Faulty actuator. An opsn in the wire
13BRN/BLK
14BRN/RED
Connect battery power
to the BRN/RED
terminal.
Check the operation of the mag-
netic clutch: Clutch should click
and output link should be locked.
Faulty actuator
An open in the wire
Poor ground (G3O 1)
il:
23-247

Cruise Gontrol
Set/Resume Switch Test/Replacement
CAUTION:
a All SRS ol6ct cal widng herne$a3 err covorod with
y6llow insulation.
a Bototo disconnecting any part ot tho SRS wiro h8r-
n6sa, connoct tho ghort connector(sl,
a Rsplaco the antire aftected SRS harness arsombly if
it has an op6n chcuit or damagod wiring.
NOTE: The original radio has a coded theft protection
circuit, Be sure to get the customer's code number befor€- disconnecting the battery.- removing the No. 32 (7.5 A) fuse from the under-hood
fuse/relay box.- removing the radio.
Afte, service, reconnect power to the radio and turn it
on. When the word "CODE" is displayed, enter the cus-
tomer's s-digit code to restore radio op€ration.
1 . Disconnect the battery negative cable, then discon-
nect the Dositive cable.
2. Connect the short connector(s) to the airbag(s).
DRIVER'SAIRBAG3-P CONNECTOR
SHORT ACCESSCON]TECTON PANEL(REDI
23-248
SRS MAIN HARNESS
3. Remove the dashboard lower cover and knee bolster(see page 23-70).
4. Oisconnect the cable reel harness 6-P connector
from the SRS main harness, then connect Test Har-
ness C onlv to the cable reel side of 6-P connector.
CABLE REELCONNECTORlHlrnoa!Eidol

5. Check lor continuity between the terminals of Test
Harness C in each switch position according to the
table.
a lf there is continuity, the switch is OK.
a lf there is no continuity, go to step 6.
6, Remove the cover carefully by prying between the
cover and the switch in the sequence shown.
Terminal
Position
2
SET IONIo----o
RESUME {ONIo----o
CRUISECONTROLSET-RESUMEswtTcH covEF
t
23-249
7. Remove the two screws and remove the switch.
8. Check lor continuitv between the terminals in each
switch position according to the table.
a lf there is no continuity in any position, rsplace
the switch,
a lf thsre is continuity in every position, replace the
cable reel (see psge 23-302).
Tominal
Position
AA'B
OFF\_r-
SFT (ON)o--o
RESUME ION)o----o

Cruise Gontrol
Main Switch Test/Replacement
NOTE: Be careful not to damage the switch and the in-
strument oanel.
1. Remove the instrument panel trom the dashboard(see page 23-1 18).
2. Remove the switch from the dashboard, then dis-
connect the 5-P connecto,.
ABCDE
23-250
Tenninrl
P".ii";--\ABD
OFF-oo-/a
ONAA-o\7
3. Ch6ck for continuity betwo€n the terminals in each
switch position according to the table.
a lf thera is no continuity in any position, replace
th€ switch.
A
rxorcaToR y'UCI{T [ (
to.grwl \) ucsr7 lo.grwl
E

Brake Switch Test
'1. Disconnect the 4-P connector from the switch.
2. Check for continuitv between the terminals accord-
ing to the table.
3. It necessary, replace the switch or adjust pedal
height {see section 19).
Glutch Switch Test (M/T)
I Disconnect the 2-P connector from the switch,
2. Check {or continuitv between the terminals accord-
ing to the table.
3. lf necessary, replace the switch or adjust pedal
height (see section 12).
I
Terminal
il"*on---\B
BELEASEDo---o
PUSHED-o
| ormtnal
Clutch podal \
RELEASEDoo
PUSHED
23-251

Cruise Control
A/T Gear PositionSwitch Test
1.Remove the center console, then disconnect the
14-P connector trom the switch.
Check for continuitv between the terminals in each
switch position according to the table.
NOTE:
a Move the lever back and forth at each position
without touching the button, and check for con-
tinuity within the range of free play ot the shift
lever.
a ll there is no continuity within the range of free
play, adjust the installation position of the switch.
View trom terminal side
ABCDEFG
3. lf necessary, replace the switch (see section 13).
HIJKLM
A/T Gear Position Swhch (For cruis€ control)
Terminal
il;---t
tr
ao
Eo
lu4lo---o
N
B
E
23-252

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
23-253

Wipers/Washers
Component Location Index
WII{DSHIELD/REAR WINDOWWIPERAA'ASHEB SWITCHTest, page 23-258Replacement, oase 23 257_..
wtNosHlELD WIPER 2ARMS/BLADES ___-=4,
Repfacemont, Page 23'261 /tt' /
WINOSHIELDIVIPER MOTORTest, page 23-260Repfacement, paee 23-281
FUSE/RELAY BOX
INTERMITTENT WIPERBELAY CIRCUIT(ln the int€gral.d control onitlInput Test, page 23-146
REAR WII{DOW WIPER MOTORTest, page 23-262Replacemont, pago 23-263
23-254