Page 791 of 1681
DTC
E
F
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DIAGNOSIS/SYMPTOM
DETECTIONTIMING
PROBIEMLOCAIION
REFERTOPAGE
Io-<1
E
toEdqo=z
Y<
NODTC
OFFABS indicator does not come on.19-40
ONABS indicator does not go off.19-42
tl
ONWheel sensor (open/short to body ground/shon to power)o19-44t3FL
RR
17RL
12
ONWheel sensor (electrical noise/interminent interuption)o
FR
19-4514FL
16RR
18RL
ONPulsero
FR
19'4622
RR
24RL
ONSolenoid (short to body ground/shon to wire)oo
FR-IN
19-47
FR.OUT
33FL-IN
34FL-OUT
RR-IN
RR-OUT
37RL.IN
38RL-OUT
41
ONWheel locko19-5042FL
43RR
44RL
ONMotor locko19-51
52ONMotor stuck OFFo19-52
53ONMotor stuck ONoo19-55
54ONFailsafe relayo19-57
61ONlgnition voltageo19-59
71ONDifferent diameter tireo19-60
81ONCentral Processing Unit (CPU)oo19-60
Troubleshooting Index
19-39
Page 792 of 1681

Troubleshooting
ABS lndicator Does Not Come On
\
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}
Page 793 of 1681
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
Page 794 of 1681

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
Page 796 of 1681

- 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)
\
L
9-44
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Page 797 of 1681

l
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
'
L
19-45
Page 798 of 1681
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
Page 803 of 1681
DTC 51: Motor Lock
- Whgn tha vohicla 3tart!. thaA8S lndicrtor comas on.- With tho SCS rorvic. conn.c-tor connectad (!aa paga 19.37), DTC 51 ir indicrt.d.
Problcm va ficltioni1. Eras€ th€ DTC.2. Test-drive the vehicle at 6mph (10 km/h) or moro,
ooes the ABS indicatorcom6 on and is DTC 51 indi-cated?
Th6 3ystcm i. O|( .t thir timc.
19-51