1996 HONDA CIVIC under dash harness

rt
SRS Main Harness
Conneclor or
Terminal
Number of
CavitiesLocationConnects toNotes
c801
c802
c803
c804
c805
c806
c807
2?
2
2
2
18
Under left side of dash
Above under-dash fuse/relaY
DOX
Right side of under-dash fuse/
relay Dox
Under left side of dash
Under right side of dash
Middle of floor
Middle of floor
Under-dash fuse/relay box (C911)
N4ain wire harness (C412)
Memory erase signal {MES) connector
Cable reel
Passenger's airbag assemblY
Dummy resastor connector
SRS unit
USA
Canada
G801Middle of floorBody ground, via SRS main harness
SRS MAIN HARNESS
23-61

lgnition Switch
4.
Test
SRS components are located in this area Review the
SRS component locations. precautions. and procedures
in the SRS section {24} before performing repairs or ser-
1. i/ake sure you have the anti-theft code for the
radio, then write down the frequencies for the
radio's preset buttons ('99 - 00 models).
2. Disconnect the battery negative cable.
3. Remove the driver's dashboard lower cover and
knee bolster (see section 20).
Disconnect the 5P connector from the under dash
fuse/relay box and the 7P connector from the main
wire harness.
Check for continuity between the terminals in each
switch position according to the table.
I I :7P connector
Wire side ot female terminals
BLK/WHT {STIWHT IBAT}
7P CONNECTOR
WHT/BLK
YEL (IG2}BLK/YEL {IG1)
Wire side of female terminals
6. lf the continuity checks do not agree with the table,
replace the electrical switch.
Terminal
Position
1
(ACC)
(3)
(BAT)
5
{tG1) G2)
(1)
(sr)
o (LocK)
| (ACC)o--o
l (oN)o-o
III (START)o--o
1.
Electrical Switch RePlacement
SRS components are located in this area. Review the
SRS component locations, precautions, and procedures
in the SRS section \24) belore performing repairs or ser-
vtce.
1. Make sure you have the anti-theft code for the
radio, then write down the frequencies for the
radio's preset buttons {'99 - 00 modelsl.
2. Disconnect the battery negatlve cable.
3. Remove the driver's dashboard lower cover {see
section 20).
Disconnect the 5P connector from the under-dash
fuse/relay box and the 7P connector from the main
wire harness (see left column).
Remove the steering column covers {see section
11t.
lnsert the ignition key, and turn it to "0 {LOCK)".
Remove the two screws and the electrical switch
from the steering lock.
ELECTRICALswtTcH
8. Install in the reverse order of removal.
23-a9

lgnition Switch
Steering Lock Replacement
SRS components are located in this area. Review theSRS component locations. precautions, and procedures
in the SRS section (24) before performing repairs or ser-vtce.
Remove:
LMake sure you have the anti-theft code for theradio, then wire down the frequencies for theradio's preset buttons ('99 - 00 models).
Disconnect the battery negative cable.
Remove the driver's dashboard lower cover andknee bolster (see section 20).
Disconnect the 5P connector from the under-dash
fuse/relay box and the 7P connector from the mainwire harness (see previous page).
Remove the steering column covers, then removethe mounting bolts and nuts from the steering col-umn (see section l7).
Lower the steering column assembly,
Center-punch each of the two shear bolts, then drilltheir heads off with a 5 mm (3/16 in) dritt bit.
CAUTION: Do not damago the steering lock body.
Remove the shear bolts and the steering lock assem,oty.
2.
1.
23-90
Installation:
l. Install the new steering lock assembly without thekey insened.
Loosely tighten the new shear bolts-
Insert the ignition key, and check for proper opera-tion of the steering wheel lock and that the ignitionkey turns freely.
Tighten the shear bolts untilthe hex heads twist off.
TWIST.OFF FORTION
Install in the reverse order of removar.
Enter the anti-theft code for the radio, then enter thecustomer's radio station presets.
sr{€aR SroLT

Vehicle Speed Sensor (VSSI
Troubleshooting
Before testing, inspect the No. 15 (7.5 A) fuse in the under-dash fuse/relay box.
TEST HARNESSOTLAJ _ PT3O2OAREO TEST HARNESSCLIP
PROTECTIVETAPE
TEST HARNESSOTLA' . PT3O2OA
(To next page)
Test the BLK wire:1. Disconnect the 3P connectorfrom the vehicle speed sensor(vss).
2. Connect the test harness(07LAJ PT30200) only to theengine wire harness,3. Connect the RED test harnessclip to the positive probe of a
4. Check for continuity betweenthe RED test harness clip andbody ground.
Repair opon in the BLK wireb€twe€n the VSS and G101.ls there continuity?
Te3t the BLK/YEL wire:1. Connect the WHT test harnessclip to the positive probe of avoltmeter, and connectthe REDtest harness clip to the negativeprobe.2. Turn the ignition switch ON {ll).
Repair open in iho BLK/YEL wirebetween the VSS and the under-d6sh tuse/relav box.
vss
GRN TEST HARNESS
RED TEST HARNESS
WHT TEST HARNESS CLIP
23-140

Gomponent/Wiring Locations
Index: Without Front Passenger's Airbag (some Canada Modelsl
SRS INDICATOR LIGHT (ln the gauge assembly)Troubleshooting, page 24-13Gauge assembly, section 23
DRIVER'S AIRSAGReplacement,page 24-67Disposal, page 24-70
SRS UNITGROUNO
To HORN SWITCH
SRS MAIN HARNESS
SRS UNIT{lncluding safing sensorand impact sensor)Replacement. page 24,76
To CRUISE CONTROLSET/RESUME SWITCH
oo/ \oo
To DRIVER,S AIRBAG
DASHBOARD WIRE HARNESSto SRS INDICATOR LIGHT inGAUGE ASSEMBLY5P CONNECTOR
SERVICE CHECKCONNECTOR {2P}IB8N, BLKI
SRS MAINto UNDER-DASHFUSE/RELAY BOX2P CONNECTOR
SRS MAIN HARNESSto SRS UNIT18P CONNECTOR
SRS MAIN HARNESSto MAINWIREHARNESS3P CONNECTOR
MEMORY ERASE SIGNAL(MES) CONNECTON (2P'
IGRY, GRYI o. IGRN, GRNI
MAIN WIRE HARNESSto DASHBOARD WIRE HARNESS24P CONNECTOR
24-4
DUMMY RESISTOB

SRS Indicator Light Wire Connections
SRS Indicator Light Power Circuit
DASHBOARD WIRE HARNESS
To UNDER-DASHFUSE/RELAY BOX -
20P CONNECTOR
SRS Indicato. Light Control Circuit
To SRS UNIT
tI
SRS MAIN HARNESS
C41 1, C412 : Terminal sido of mdlo t6rminalsC501, C5O2, C508, C801. C802, C807 : Wi.6 sidc of fomalo t.rminals
MAIN WIBE HARNESS
BLU
C508 -+ To GAUGE ASSEMBLY
c41 1
To GAUGE ASSEMBLY
at
C501 : DASHBOARDWIRE HARNESS 2oP CONNECTORC508 : DASHBOARD wlRE HARNESS 5P CONNECTORC801 : SRS MAIN HARNESS 2P CONNECTORC807 : SRS MAIN HARNESS 18P CONNECTOR
C802 : SRS MAIN HARNESS 3P CONNECTORC412 : MAIN WIRE HARNESS 3P CONNECTORC41 1 : MAIN WIRE HARNESS 24P CONNECTORC502 : DASHBOARD WIRE HARNESS 24P CONNECTOR
GRY
OI
24-25

Troubleshooting
The SRS Indicator Light Doesn't Come On
CAUTION: Whonever ths ignition switch is ON {ll}, or
has been turned OFF tor less than three minutes. be
careful not to bump the SRS unit; the airbagls) could
accidentally deploy .nd caus6 damage or iniuri€s.
Check tho pow€r supply (fuse):
Turn the ignition switch ON (ll), and check whether the otherindicator lights come on (brake system, etc.).
Oo the other indicator liohts como on?
YESNO
Check th6 fuso:Check the No. 25 {7.5 A) fuse in the under-dash tuse/relayb"t
ls th6 tu36 OK?
NOYES
Check the bulb:Replace the No. 25 (7.5 A) fuse, and check that theSRS indicator light comes on.
Doos the SRS indicator liqhl come on7
I YES No
END
Check tho wire harns b€twecn fus6 and gauge aasambly:Check for an open in the wire harness between luseNo. 25 {7.5 A) and the gauge assembly, and repair. Checkthat the SRS indicator light comes on.
Doo. tho SRS indic.tor light como on?
I yEs No
I
END
Check tho SRS indicator light bulb:1. Turn the ignition switch OFF.2. Remove the gauge assembly.3. Check for blown SRS indicator light butb.
ls the SRS indicator light bulb OK?
NOYES
Ch.ck the SnS indicator liglrt circuit:Replace the bulb, and reconnect the gauge assemblyconnectors. Then turn the ignition switch ON {ll}.
Ooes th6 SRS indicato. llght come on?
I YEs No
:ND
lAl To page 24-27
24-26
lB'J fo page 24-27
))
No. 25 (7.5 Al FUSE

)The SRS lndicator Light Doesn't Go Off -'96 - 97 Models
CAUTION: Whenever the ignition switch is ON (ll), or has been turned OFF for less than three minutes, be careful not to
bump the SRS unit; the airbag{sl could accidentally deploy and cause damage or iniuries
Try to reproduce lhe SRS indicator light:
1. Erase the DTC memory (see page 24'15).
2. Turn the ignition switch OFF, and wait for ten seconds.
3- Turn the ignition switch ON {ll), and check that the SRS indi
cator light comes on for about six seconds and goes off
Does the SRS indicEtor light stay on?
[*NO
Intermittent lailure, system is OK at this time. See
Troubloshooting Int6rmittent Failures on page 24'15
Ch€ck the No. 13 {15 A} and No. 23 (10 A) fuses:
1. Turn the ignition switch OFF.
2. Check for blown No. 13 (15 A) and No.23 (10 A)fuses in
the under dash fuse/relay box.
Are the fuses OK?
vEs No
Replace the luses, and erase the memory1. Replace the fuses.2. Connect the SCS service connector to the MES con
nector.3. Erase the DTC memory (see page 24 15).
4. Turn the ignitaon switch OFF, then disconnect the SCS
service connector from the MES connector.5. Turn the ignition switch ON (ll).
Does the sRS indicato, tigt t go or "ne. "ii--JJl
-I YEs NO1
ENDi
Conlirm the DTC, and continue troubl6shootilg.
Check for an open in the SRS main harness {VA linell'1. Tu.n the ignition switch OFF.
2. Disconnect the battery negative cable, then disconnect
the positive cable, and wait for three minutes.
3. Disconnect the driver's (and front passenger's) airbag
connectorls) (see page 24 11).
4. Disconnect the SBS main harness '18P connector from
the sRS unir.5, Reconnect the battery positive cable, then reconnect the
negative cable.6. Connect a voltmeter between the No. 7 tetminal (+) of
the SRS main harness 18P connector and ground.
7. Turn the ignition switch on.
b there battery voltageT
YESNO
(A)
To page 24 30
Open in the SRS main harness IVA line); replace the SRS
main harness.
l.J
SBS MAIN
(cont'd)
No. 't3 {15 Al FUSE
SRS UNIT
HARNESS 18P CONNECTOR
II
24-29