1994 HONDA INTEGRA vehicle speed sensor

Maintenance ReminderSystem
Gomponent Location Index
23-128
CAUTION:
a All SRS eloctrical wiring haln€sses are coveled with
y€llow insulation.
a Bsfore disconnocting any part of the SRS wire har-
ne6a, connect tho shon connoctor(s).
a Replace the entire affoctod SRS hsrness ass6mbly if
it has an open circuil or damag€d wiring.
MAINTENAf{CE REMINDER LIGHT(ln th6 gaugo 63.smblylGauge Assembly. page 23-113
VEHICLE SPEED SENSOR {VSS){On the t.ansmirsion houainglTest, page 23-120, 121Input Test, page 23-120Repfacement, page 23-122
MAINTENANCE REMINDER UNITlBohind tho dashboard lowor covor)Input Test, page 23-131
MAINT
REOD

Description
Based on signals recaived trom the vehicle speed sensor (VSS), the microcomputer in the maintenance remande, unit,which is located behind the dashboard lower cover, computes the distances traveled. When you turn the ignition switchon, the reminder light in the gauge assembly will come on for two seconds (bulb check tunction).Ar 9,650 t 160 km (6,000 t lOo miles) intervals, the reminder light witl gtow for two seconds and then btank ten sec-onds att€r you turn the ignition switch on. This will repeat every time you turn the ignition switch on until the car reaches12,O7O ! 160 km (7,500 1 10O mites).Beyond the 12,O7O ! 160 km (7,500 t IOO mite) interval, the tight will continue ro gtow after the butb check untilyou turn the ignition switch off or reset the unit.To reset the unit, the car must be pa.ked and the ignition switch must be on. Press the reset button on the unit for mo.ethan three seconds, and the reminder tight will go otf.
NOTE:
a Turn the ignition switch OFF b€fore you r€move the 5-P connector from the maintenance reminder unit. otherwiseyou will cancel all data in the memorv.a The data will remain in the memory even when the ignition switch is turned ofJ, or if the unit is disconnected. Whenthe ignition switch is turned on, and the car is driven. additional data will be stored.
-----------------lMAINTENANCE REMINDEN UN|T
sEt{son tvss
23-129

Maintenance Reminder Unit Input Test
1.With the ignition switch OFF, disconnect the 5-P
connector from the reminder unit,
Inspect the connector and socket terminals to be
sufe they are all making good contact.
a lJ the terminals are bent, loose orcorroded, repair
them as necessary, and recheck the svstem.
a It the terminals look OK, make the following in-
Put tests at the connecto..- lf a test indicates a problem, tind and correct
the cause, then recheck the system.- It allthe input tests prove OK, the reminder unit
must be taulty; replace it.
View trom wire side
No.WireTost condltionTest: DaEired rasultPossibl€ cause if result is not obtained
IBLKUnde. all conditionsCheck for continuity to ground:
There should be continuitv.
. Poor ground (G201, G4O1). An open in the wire
WHT/BLU
Under all conditionsCheck tor voltage to ground:
There should be battery voltage
. Blown No. 32 (7.5 A) fuse in the
under-hood tuse/relay box. An open in the wire
YEL
lgnition ON (lllCheck for voltage to ground:
There should be batte.y voltage
. Blown No. 15 (1O A) fuse in the
under-dash fuse/relay box. An open in the wire
4PNK
lgnition ON (ll)Connect to body ground; The
reminder light should go on.
Blown No. 15 (1O A) tuse in the
under-dash fuse/relay box
Blown bulb
An open in the wire
EORN
lgnition ON {ll), car in
neutral with lront ol
car raised, one wheel
rotated with other
wheel blocked
Check for voltage to g.ound:
Meter should indicate pulsing
voltage.
. Faulty vehicle speed sensor (VSS)
. An oDen in the wire
23-131

+ No.24 ll5Al: 81881 onoineNo.24 l20Al: 818C1 ensine
UNDER-DASH FUSE/RELAY BOX
HORN
Y
UNOER _HOOD FUSE/RELAY BOX
No.4l (100A) No.39l50A)
INDICATORTIGHT{0,91W}
IP
I D Suur
6yffi Bi,G#,,'.
BTK
t-
G201G401
II
I
f7
VEHICLE SPEEDSENSOR iVSS)
M/r : CLUTCH SWITCH IA/T : A/T GEAR IPOS|T|oN SWTTCH IInIEI,E) I
PNK
BI-K
T
G201G401
Cruise Gontrol
Circuit Diagram
23-244

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