1996 HONDA CIVIC Gauge connector

Electrical Troubleshooting ('96 - 98 Modelsl
Troubleshooting Flowchart - lq Indicator Light On Constantly
TCM CONNECTOR A {26PI
Wire side of female terminals
YEL
The E indic.tor light is on con-stantly {not blinking} whoneverthe ignilion switch is ON llll.
Measure D INO Voltage:1. Turn the ignition switch OFF.2. Disconnect the A (26P) con'nector from the TCM.3. Turn the ignition switch ON (ll).4, Measure the voltage betweenthe A20 terminal and bodyground,
Repeir 3hort to power in thc wirebetween tho A20 terminal andihe gauge ass€mbly.
Measure ATP DVohage:1. Turn the ignition switch OFF.2. Connect the A (26P) connec-tor to the TCM.3. Turn the ignition switch ON (ll).4. Shift to any position other thanE,5. Measure the voltage betweenthe A9 terminal and bodygrou nd.
Check tor a short to ground onthe wire. ll wire is OK, .epl.cethe A/T gear position indic.tor.
2347810ll1213
1a15161720232526
GRN/BLK
123a5789101t1213
1at5161720a2526
14-264
-

From page 14-289
Msaaure D IND Volt.ge:1. Turn the ignition switch OFF.
2. Connect tho B (25Plconnector
to the PCM.
3. Connect a digital multimeter
to the D14 and 820 or 822 ter-
mtnals.il. Turn the ignition switch ON(lll, and make sure that voltage
is available for two seconds
Check for open in the wire
between tha D14 terminal rnd
the gauge a33emblY. lf wiro ia
OK, chock for . frulty indicator
light bulb or a Iaulty gaug.
a3r6mbly printod circuit board.
Check D IND for a Short Circuit:
Check lor continuitY between the
D14 terminal and body ground.
Rgpair 3hort in the wire b.tween
the D14 tcrminal and tho gauge
a*somblY.
Check for loose terminsl fh in the
PCM connectors Check tho A/T
goar posilion switch. It neces'
saiy, iubstitute a known_good
PCM rnd rochock.
PCM CONNECTORS
D {16P1
(BRN/BI.X)D4 IND (GRN/BLK}
Wire side of female terminals
123rs 1/7I215
910nn fT /fl6l112
o lzlzz ,rl/zs 1311- -T---=4'+:l
LG2IBRN/BLKI\=/ |
r lz35
6i /l/t01112
l0
D' IND
o
IGRN/BLKI
4-289

Gircuit Diagram
MOOULATOR UNIT IOP CONNECTOR
zrJrF!_lll 2 3ll
14TiEltl
c@4
PIMP MOTOR 2P CONNECTOR(Ll number)fFlGTN
UNDER.HOOO A8S FUSE,/FELAY BOX3P CONNECTOR (O number)
| 2 3l
UNDER.HOOD AAS FUSE/RELAY BOX2P CONNECTOR (! number)
| -l
GAUGE ASSEMELY 5P CONNECTOR
---t--t1 t/ 13 )/l5l
Wire side ot temale terminals
- E8l{'Ytr
AA DEF BLY I7.5AI
_@f_u,
n4@f-n,
LEFT.FSONT SOLENOIO
UNDER-OASH FUSSRELAY 8OXZoP CONNECTOR (O numbe,
235678It0tlt3/ i15 /t820
UNDER.OASH FUSE,/RELAY BOX18P CONNECTOR (E numb€r)
23569ll213)t4 /1617
19-50

Troubleshooting
ABS Indicator Light Does Not Come On
YES
NOTE:Reinstallthefuse if it is OK.
The A8S indicator light does not come on when ignition switch is turned ON ll.
NOTE: All indicator tights except the charg,ing system light will not come on when theMETER 17.5 A) ft se is btown.
NO
GAUGE ASSEMBI"Y 5P CONNECTOR
Wire side of female terminals
Tho ABS indicator light does notcome on wh€n ignition switch istu.ned ON {lll.
check the METEB (7.5 A) fuse inthe under-dash fuse/relay box.
Beplace the tu3e and recheck.
Check for an open in th6 lcl cir-cuii:1, Disconnect the gauge assembly 5P connector.2. Turn the ignitjon switch ON l).3. Measure the voltage betweenthe gauge assembly 5P con-nector terminal No. 5 andbody ground.
. Ropair opan in tho wirobotwe€n thc METER t7.5 Attuso and gauge .$cmbly.. Roplacc th. und.r-dash tus./r.l.y box. lop.r cirouit in3idothe box.l
ls there baftery voltage?
Check the ABS indicator lightbulb in the gauge assembly.
ls the bulb OK?
Ch€ck tor a short to power in theWALP circuit:Measure the voltage between thegauge assembly 5P connectorterminal No. I and body ground.
Replir short to power in tho wiiGb.tweon the gruge rs3embly.nd ABS control unh.
ls there battery voltage?
lTo page 19-61)
19-60

{From page 19.60)
Check the geuge a$embly:1. Turn the ignition switch OFF.
2. Connect the gauge assembly
5P connector.3. Connect the terminal No. 3 to
body ground with a iumper
4. Turn the ignition switch ON (ll).
Replace th€ ABS indicato. light
drive circuit in the gauge ai3om-
blY.
Does the ABS indicatorlight come on?
.Repair open in the wire
beiween the gauge assemblYand body ground.. Repair poor ground {G401,G402t.
Jt
GAUGE ASSEMBLY 5P CONNECTOR
,c? "l1t/'.lt/t5 |
JUMPER I GND IBLK}wrRE I-L
t
19-61

lFrom page 19-621
Ch6ck lor . short to body ground
in ihe WALP Gircuit:1. Turn the ignition switch OFF.
2. Disconnect the ABS control
unit 22P and gauge assembly
5P connectors.3. Check for continuity betweenthe ABS control unit 22P con-nector terminal No. 7 andbody ground.
Ropair short to body g.ound in
tho wire betweon the ABS con_
trol unit and gauge aasembly.
Check the AgS cortrol unit:1. Connect the ABS control unit22P connector.2. Turn lhe ignition switch ON (ll).
3. Measure the voltage between
the ABS control unit 22P con'nector terminal No, 7 and
body ground.Check tor rn open in lho GND2
circuit:1. Connect the ABS control unit26P connector terminal No. 16
to body ground with a iumper
2. Measure the voltage between
the ABS control unit 22P con-
nector terminal No. 7 and
body ground.
ls there baftery voltage?
' Repair op€n in the wit€ betweenthe ABS control unit and bodyground.. Rep.ir poor ground lG40'1,G1(}2t.
ls there battery voltage?
Check tor loo3€ ABS control unitconnector!. lf necesaary, substi_tute a known-qood ABS controlunit and r€check,Check lor an open in the WALP
circuit:Measure the voltage between thegauge assembly 5P connectorterminal No. 1 and body ground.
Ropai. opon in the wiro botweenthe ABS control unit end gauge
assemblv.ls there battery voltage?
Replace the ABS indicrtor lightdriv6 ci.cuit in the gtuge assem-bly.
tv
Wire side ol female terminals
ABS CONTROL UNIT 22P CONNECTOR
ABS CONTROL UNIT 22P CONNECTOR
WALP {BLU/REDI
Wire side ol female terminals
ABS CONTROL UNIT 26P CONNECTOR
rt
GAUGE ASSEMBLY 5P CONNECTOR
.DY
Wire side of female terminals
WALP {BLU/REDI
wire side ol female terminals
J
19-63

l'f .
Electrical
Special Toofs .,....................,23-2
Troubleshooting
Tips and Precautions ..............,.................... . 23-3
Five-step Troubleshooting .............. ......... . . 23-5
wire color codes ..........,23-5
Schematic Symbols ........,................... . . .. .... 23-6
Relay and Control Unit Locations
Engine Compartment ...,..................... ... .. . 23'7
Dashboard ......................23-8
Dashboard/Door ......... 23-12*Airbags ................. ....... Section 24
Air Conditioning ......... Section 21
Aftelnator ..........."""" """ 23-112
Anti-lock Brake System {ABS) Section 19*A/T Gear Position Indicator .....................,. .... ... 23-149
Automatic Transmission Svstem .... . ....... Section 14
Batterv ......... . . . ... ...... .......23-91
Blower controls .. . ... Section 2l
Charging System ....'...........23'112
Connector ldentilication and Wire Harness
Routing .................. ......23'13
Cruise Control ............,........23-240
Dash Lights Brightness Controller ............. ....... 23-180
Fan controfs "" 23'126
Fuel PumD ........ . ........ section 11
Fuses/Refay ...............,..,,.. 23'62
PGM-FI Control System ......................,....... Section 1 1
*Gauges
Circuit Diagram ....,.,.......23-131
Fuef Gauge ...........'.'.......23-142
Gauge/lndicator .. . .. 23-129
Ground Distribution .. . 23-75
Heatei controls .. . ..... Section 21*Horn................. ...............23-196
*tgnition Switch ....................23-89
lgnition System .......,.... 23-102
*lntegrated Control Unit ....................................... 23-156
fnterlock System ,........ . . , ,23-144
Lighting System . . . .. ......... 23-161
Lights, Exterior
Back-up Lights ..'............23'171
Brake Lights .................. 23'174
Daytime Bunning Lights (Canadal ............... 23'166
Front Parking Lights ......,................ .'. .......... 23-167
Front Turn Signal Lights .......... . . ............ ..,.23-167
Headtights ....".'....-... ..... 23'167
High Mount Brake Light ...................... ... .23'179
License Plate Lights ...... 23'176
Taitfights ................ .......23'171
lnterior Lights ..-.......,, . 23-142
Moonroof ..,.................,........ 23-235
Power Distribution ....... . . .23-61
Power Door Locks .......,,,. .23'251
Power Mirrors ,..............,.,...23'206
Power Relays ....... . ...... . . .. 23-86
Power Windows ............,,....23-220
Rear Window Defogger .......................... . . ... . . 23-2OO
Spark Plugs . ..... . ........ .....23-111
Slarting System ................23-93*stereo Sound Svstem ,................. ..... ... . ... ,.,.,,23'147'Supplemental Restraint System (SRS) ... . Section 24
Turn Signal/Hazard Flasher System .......'.'....-... 23-173
*Undel-dash Fuse/Relay Box ............,.................. 23-85
vehicfe soeed sensor (VSSI """" ""' 23-140+Wipers/Washers .........,.,.,...23-214
NOTE: Unless otherwise specified, references to auto-
matic transmission (Mf) in this section include the CVT.

Special Tools
Ref. No. Tool NumberDescriptionOty Page Reference
O)
@-
o
@
o
tol
A973X_041 _XXXXX
07JGG 00l0l0A
OTLAJ - PT3O2OA
07NAC - SR20100
07PM - 0010r 00
07MAJ - SP00300
Vacuum Pump Gauge, 0 - 30 in.Hg.
Belt Tension Gauge
Test Harness
Fuel Sender Wrench
SCS Service Connector
Keyless Entry Checker
1
1'I
1
1
1
23-245
23-140,141
23-142
23-105
23-264
': Included in Belt Tension Gauge Set 07T66 - 0010004
or/4,
(!
23-2