ACURA INTEGRA 1998 Service Repair Manual

Troubleshooting
ABS lndicator Does Not Come On
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GAUGE ASSEMBLY 5P CONNECTON
Wire sid€ of female terrninals
Th. A8S indicator light does notcoma on whon ignition swhch islum6d ON llll.
check the METER {7.5 A) tuse inthe under-dash tuse/relay box.and reinstallthe fuse it it is OK.
Replacsthefuse.nd recheck.
Ch.ck th. ABS control unit:Disconnect the ABS control unit12P connector.
Chock for loola ABS contlol unitconnector!. ll noco$rry !ubsti-tut6 a known-good ABS controlunit and r6chock.
Check tor .n opon in the lcl cir-cuit:1. Disconnect the gauge assem-bly 5P connector.2. Turn the ignition switch ON (ll).
3. Measure the voltage botweenthe gaugo assombly 5P con-nector terminal No. 'l andbody ground.. Repair open in tho wir. betwoanthe METER 17.5 A) tuso.ndgaugo a$embly.. R.pl.co tho under-dash furo/.elay box. lopen circuit insidethe box.l
check the A8s indicator bulb inthe gauge assembly.
R6olace tho ABS indicrtor bulb.
Ch.ck tor ! short to body groundin th6 WALP circuit:Check tor continuity b€tween thegauge assembly 5P connectorterminal No. 4 and body ground.
R€pair short to body ground in thowira b€tw6on tho gaug6 asscmblysnd the A&S control unit.
lTo page'19-41)
WALP {BLU/REO}

Chsck tor an opon in th6 indicr-tor light GND circuh:'1. Turn the ignition switch OFF.2. Connect the gaugs assembly5P connector.3. Connect the gauge assembly5P conneclor tgrminal No. 3 tobody ground with a jumper
4. Turn the ignition s:witch ON (ll).
. R€pair opan in tho wiro botw.anthe gaug. r$.mbly .nd bodyground.. Ropsir poor ground lcil()i l.
Does the ABS indicatorcome on?
Roplac6 th6 printod circuit bo.rdin tho gaug6 assembly.
GAUGE ASSEMBLY 5P CONNECIOR
F---.q-l1 l/l3l415l-J6ii-6r-xr
JUMPER IwrRE I
Wre sid6 of lemale terminals
19-41

Troubleshooting
ABS Indicator Does Not Go Off
JUMPERWIRE
ABS OO TNOL UMT 22P OO'{NECTOR
Wire side of temalo terminalg
A8S COI{TROL Ut{lT 12P OO I{ECTOR
JUMPEFWIRE
Wire side of femal€ terminala
|G2 IALK/YELI
- The ABS indicltor light doosnot go ofl aftor lhe engine is3tartod.- With the SCS sorvico connoctor connoct d l.oe page 19371,no DTC b indbat€d.
ChECK thE REAF DEFROSTERRELAY (7.5 A) fuse in the under-dash fuse/relay box, and reinstallthe fuso if it is OK.
Roplaco tho tusa and rocheck.
Chock for an opcn GND circuit:1. Connect the ABS control unit22P connector terminal No. 1to body ground with a jumper
2. Turn the ignition switch ON (ll).
. Ropair opon in tha wiro botwocntho ABS control unit and bodyground.' Ropair poo. ground {G701 }.
Check for an open in thc lG2 ci.-cuit:Measure the voltage botween theABS control unit 22P connectorterminal No. 11 and body ground.
Roprir opon in thc wira bdtwoentho REAR OEFROSTER RELAY17.5 Al fu$ end th. ABS controlunit.
ls th6re battery voltage?
Check the ABS contJol unit:Connect the ABS control unit 12Pconnector terminal No. 1 to bodyground with a jumper wire.
Chock for looao ABS control unhconncctoas, It nacas3aly, sub3ti-tuto a known-good ABS controlunit and r.check.
(To page 19-43)
19-42

Chock lor .n ooen in tho WALPcircuit:Conn€ct the gauge assembly 5Pconnector terminal No. 4 to bodyground with a iump6r wir€.
Rapair open in tho wire betwaantho grug. .3s.mbly .nd tho ABScontrol unit.
R.pl.co tho print.d circuit boardin tha gluga lrg€mbly.
GAUGE ASSEMBLY 5P CONNECTOR
n---a-----ll l/l3l4l5l-I WALP {BLU/RED)JUMPER IwrRE I-L
Wire side of female t6rminals
19-43

- With the ignition switch ON(lll, the ABS indicator doesnot go off.- With the SCS s€.vice connec-tor connected lsee page 19-37), OTCS 11, 13, 15, 17 areindicated.
Check for a short to pow6r in thewheel sensor circuii:1. Disconnect the ABS controlu nit 22P connector.2. Start the engine.3, Measure the voltage betweenthe appropriate wheel sensor(+) circlit terminal and bodyground (see table).
Repair short to power in the {+)circuit wire between the ABScontrol unil and the approprialewheel sensor.
ls there 2 V or more?
Check for a short to body groundin th6 wheel sensor circuil:Check tor continuity between theappropriate wheel sensor (+) cir-cuit terminal and body ground(see table).. Ropair short lo body ground inthe {+) or {-l circuit wirebetween tho ABS contlol unitand th6 .ppropriate whe€l sen-
. Roplaco the .ppropliate wheelsensot.
ls there continuity?
Check for an open in the wheelsensor circuit:Check the resistance between theappropriate wheel sensor (+) and1-) circuit terminals (see table).
Ropair open in the {+) or (-} cir-cuit wire, or 3hort to the l+) cir-cuit wire in the l-l circuit wirebetween tho ABS control unitand th6 appropriate whgel 3en-
Replace th6 appropdate wh€elsensot.
ls the resistance OK?FronvRear: 450 - 2,050 O/20"c (68.F)
NOTE: lf you do not erase the DTC, the ABS indicator will not go off until vehicle speedexceeds 6 mph (10 km/h).
ABS CONTNOL UNIT 22P CONNECTOF
FLw {+l {GRN/ORN) FRw {+} (GRN/BLKI
oTcAppropriate Terminal
(+)Side( )side
11 (Right-front)No. 9: FRW (+)No. 8: FBW {-)
13 (Left'front)No.7: FLW (+)No.6: FLW 1-)
l5lBight-rear) iNo. 19:RRW (+!o. 20: RBW (-
17 (Left'r€af)17: RLW {+',1o. 18: RLW (-Wire side of lemale terminals
FLW (+) (GRN/ORN) FRW l+){GRN/BLK)
FLw l+l (GRN/ORNI FRW {-) {GRN}
FLW t-l(+l (GRN/BLKI
RL(-I {BLU/YELI
RLW l-) (GBY) RRW (+) (GRN/YEL)
Check for loose ABS control unitconnectors. lf necessary. substi-tute a known-good ABS controlunii and recheck.
RLW {+l (LT BLUI
RLw (+l {LT BLU}
-t(o
___r
l'!*
6l89l01t
1417t8t920
| ***-t
(()
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Troubleshooting
DTC 1 1, 13, 15, 17 : Wheel Sensor (open/short to body ground/short to power)
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9-44
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DTC121416, 18: Wheel Sensor {Electrical Noise/lntermittent lnterruptionl
- Wilh the ignition switch ONlll), the ABS indicator doesnot go off.- With the SCS service connec-tor connectcd (3e6 page 19-37), DTCa 12, 14, 16, or 18.reindicated.
Visually check for appropriatewheel sensor and pulser installation (see table).
Reinstall or replace th6 eppropri-ats wh6el sensor or puber.
Ch€ck lor a short to wire in thoone wheel s6nsor circuit:1. Disconnect the ABS controlunit 22P connector.2. Measu re the resistancebetween the appropriatewheel sensor (+) and (-) circuit terminals (see table).
Repair short to wire between theappropriate wheel sensor {+) and{-l circuits.ls there less than 450 0?
Check lor a short to .nother wirein lhe wheel sensor circuits:Check for continuity between theappropriate wheel sensor (+) circuit terminal and other wheelsensor (+i circuit terminals (see
table)-
R€psir short to wire between theappropriale wheol sensor andthe other wheel sensor.ls there continuity?
Eraso the DTC and test-drive thevehicle. lf ABS indicator comeson and same OTC is indiceted,reDlace the ABS control unil.
NOTE: ll the ABS indicator comes on for the reasons described below, the indicator should go
off when you test'drive the vehicle at speeds above 19 mph 130 km/h).. Only the drive wheels rotated. The vehicle spun. Electrical noise
DTCAppropriate Wheel Sensor
12Right - front
14Left front
Right - rear
18Left rear
DTCAppropriate Terminal
{+}Side(-)Side
12 (Right-front)No. 9: FRW (+)No.8: FRW (-)
'14 {Left-front)No. 7: FLW {+)No.6: FLW (-)'16 {Right-rear)No. 19: RRW 1+)No.20: RRW ( )
18 (Left-rear)No. 17: RLW (+)No. 18: RLW ( )
DTCAppropriateTerminalOther Terminal
12 (Right-tront)No.9: FBW (+)No. 7: FLW 1+)No. 19: RRW (+)No. 17: RLW (+)
14 (Left-front)No.7: FLW (+)No.9i FRW (+)No. 19: RRW (+)No. 17: RLW (+)
16 (Right-rear)No. 19r RRW {+)No.9: FRW (+)No. 7: FLW 1+)No.17: RLW (+)'18 (Left-rear)No. 17: RLW (+)No.9: FRW (+)No.7; FLW (+iNo. 19: RRW (+i
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19-45

Troubleshooting
DTC 21 - 24: Pulser
- With tho ignition .whch ONlll), the A8s indic.tor do.!not go off.- With th. SCS..rvic. conn.c.tor connested l3.a pag€ 19-371, OTCa 21 - 24 116 indicrt-od.
Probl.m vorification:'1. Erase the DTC.2. Test-drive the car at 19 mph(30 km/h) or more.
Does the ABS indicator comeon and are oTCs 21 - 24 indi-cated?Th. .ytiam i. OK |t thi. tim.,
Check the appropriate pulser geartor a chipped tooth {see table).
Rcpl.c. ih. drlv..h.tt or th. hubunil.{Chippld pubd g..r.l
Chcck for loo.c ABS control unitconnectors. ll nace$ery, aubrti-tute . known-good ABS controlunit and racheck.
9-46
DTCAppropriate Pulger
21Right-front
22Left-front
Right-rear
Loft-rear

DTC 3138: Solenoid
DTCAppropriate Terminal
31: FR-lNNo. 11
32: FF-OUTNo.6
33: FL lNNo.9
34: FL-OUTNo.4
35: RRINNo.8
36: RR-OUTNo.3
37: RLINNo. 10
38: RL OUTNo.5
ABS COI{TROL UNIT 12P CONTTECTOR
FL.OUTIYEL/8LUI RL.OUTIYELNTHTI
Wire side of female terminals
- With th6 ionition switch ON
lll), the ABS indicato. do.3not go off.- With the SCS sowic6 connec-tor connected lsee pago 19-371. DTCa 31 - 38 are indic.t-oo,
Problom vorification:1. Turn the ignition switch OFF,then turn the ignition switchON (ll) again.2. Verify the DTC.
Pertorm the appropriato trou-bleshooting for OTC 54.
Chock for a short to body groundin tho solenoid circuit:1. Turn the ignition switch OFF.2, Disconnect the modulatorunit connector snd the ABScontrol unit 12P connector.3. Chock tor continuity betweenthe appropriate ABS controlunit 12P connector solenoidcircuit terminal and bodyground (see table).
Rep.ir short to bodv ground inthe appropri.te sol.noid circuitwira batwo6n tho ABS conlrolunit and th. modulltor unit,
ls there continuity?
Chock tor a sho.t to body groundin th. solenoid:1. Conn€ct the modulator unitconnector.2. Check for continuity betweenthe appropriate ABS controlunit 12P connector solenoidcircu it terminal and bodyground {see table).
(To page 19 48)(cont'd)

Troubleshooting
DTC 31 - 38: Solenoid lcont'd)
MODUTATOR UNIT CONiECTOR
RR-IN (YEL}RL-|N IREDAI'HTI
JUMPEB WIRE
Terminal side ol female terminals
A8S CONTROL UN]T 12P CONNECTOR
FL.OUT(YEUELUI RL.OUT{YEL/WHTI
Wire side of ternale lermin6ls
FAIL.SAFE RELAY CONNECTOR
sout'lOtOr.H',rBRN/810 l-+l-]JUMPER I Lj-lJ
wRE I
Wire side of lemale terminals
(From page 19-47)
Check for an open in tha solonoidcircuit:1. Disconnect the mod u latorunit connector.2. Connect the appropriate solo-noid circuit torminal to bodyground with a jumper wire(see tabl€).3. Check for continuity betweenthe appropriate ABS controlunit 12P connector solenoidcircuit termina I and bodyground (see tabl€).
Rop.ir opon in th. lppropri.t.sol6noid circuit wira batwocnth. ABS control unit and modu-lltor unit.
Chack for an open in tho solonoid:1. Remove the jumper wire lromthe modulator unit connector.2. Connect the modulator unitconnector,3. Connect the fail-safe relay con-nector terminal No. 3 to bodyground with a jumper wirc.4. Check tho rosistance betweenthe appropriate ABS controlunit 12P connector terminaland body ground {see table).
ls the resistance OK?lN: 8- 10 020"C (68'F)
OUT:3-5o/20'C168'F)
Chock loi a 3hort to another wir.in the solonoid circuit:1. Disconnect the modulatorunit connector.2. Check for continuity betlveenthe appropriate ABS controlunit 12P connector terminaland all other solenoid circuitterminals (see table).
(To page 19-49)
DTC
Appropriate Terminal
ABS controlunit 12PModulatorunIconn€ctor
31: FRINNo. 11No. 1
32: FR-OUTNo.6No.5
33: FL-lNNo.9No.4
34: FL-OUTNo.4No.8
35r RRiNNo.8No.3
36: RR-OUTNo.3No.7
37: RLINNo. 10No.2
38: RL-OUTNo. 5No.6
ABS CONTROL UNIT 12P CONNECTOR
19-48
Wire side of lemale terminals

oTcAppropriate T6rminal
31: FR-lNNo. 1l
32: FR-OUTNo.6
33: FL-lNNo.9
34: FL-OUTNo.4
35: RRINNo.I
36: RR'OUTNo.3
37: RLINNo. 10
38: RL-OUTNo.5
Check for a short to anothet wiroin the solenoid:1. Connect the modulator unitconnector.2. Check for continuity betweenthe appropriate ABS controlunit 12P connector terminaland all other solenoid circuitterminals (see table).
ls thore lessthan 3 0?
Check for loose ABS control unitconnectors. lf nocassary, substi-iute a known-good ABS controlunit and recheck.
(From page 19-48)
ABS OONTROL UNIT 12P CONNECTOR
Wire side ot female terminals
19-49