1998 HONDA CR-V Workshop Manual

Troubleshooting
DTC 11 - 18: Wheel Sensor (cont'd)
Check for chipped pulser gear.
Rcplacs thc drive3haft or hubunh. (Chipped pulsor goar.l
DTC 11, 13, 15. 17: Replaco theABS control unit.OfC 12, 11, 16, 18: Th6 ABS con-trol unit may have dstected dg-n.l disturbsnc€.
19-46
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DTC 31 - 38: Solenoid
ABS CONTROL UNIT 22P CONNECTOR
Wire sade of female terminals
Wire side of female terminals
ABS CONTROL UNIT 26P CONNECTOR
FL.OUT IYEL/8LKI
DTCAppropraateConnectorTerminal
31: FR'lN22PNo. 1
32: FR OUT22PNo. 12
33: FL lN22PNo. 11
34: FL OUT22PNo.10
35:RR-lN26PNo.13
36: RR-OUT22PNo.21
37: RLIN26PNo.25
38: RL-OUT26PNo. 12
RL.OUT {YELI
FL.OUT IYEL/BLKI
DTCAppropriateTerminal
31: FR lNNo. 2i SCOM
32: FR-OUTNo. 2: SCOM
33: FLINNo.1:PCOM
34: FL-OUTNo. 1:PCOM
35:RRINNo. 1: PCON4
36: RR-OUTNo. 1: PCON4
37rRL-lNNo. 2: SCOM
3a: RL-OUTNo. 2: SCOM
RL.OUT {YELI
- With the ignition switch ON{lD, tho ABS indicator doesnot go off, or the ABS indic.-lor comes on whil6 ABS istunctioning.- With th€ SCS service connoc-tor connoctcd {sce page 1$381,DTCa 31 - 38 ars indicatsd.
Check for a 3hori to power in th€solenoid ci.cuit:1. Disconnect the ABS controluntr tlr ano zbr connectors_2. Start the engine.3. Measure the voltage betweenthe appropriate ABS controlunit connector solenoid circuitterminal and body ground (see
table).
R€pair short to power in theapprop.iato solenoid circuit wirebetwe€n the ABS control unitand the modulator unh.
ls there baRery voltage?
Chock for a short to body groundin the sol€noid circuit:Check for continuity between theappropriate solenoid circuit termi-naland body ground (see table).
. Ropair short to body ground inthe appropriato solenoid circuitwire betwoon the ABS controlunit and the modulator unit.. Replace the modulator unit.
ls there continuity?
Check the ABS control unit:1. Turn the ignition switch OFF.2. Connect the ABS control unit22P and 26P connectors.3. Connect the SCS service con-nector.4. Turn the ignition switch ON (ll).5, Measure the voltage betweenthe appropriate ABS controlunit 26P connector COM circuitterminal and body ground (seetable).
Check tor loose ABS control unitconnectors. ll nece$ary, substi-tut€ a known-good ABS controlunit and recheck.
ls there approx. 3 V7
PCOM
(To page l9-48){GRN/WHTI
19-47
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Troubleshooting
DTC 31 - 38: Solenoid (cont'dl
A8S CONTROL UNIT 22P CONNECTOR
Wire side of female terminals
ABS CONTROL UNIT 26P CONNECTOR
Check for an open in the solenoidcircuit:Measure the voltage between theappropriate ABS control unit connector solenoid circuit terminaland body ground {seetable).. Repair open in the appropriateCOM circuit wire botween theABS control unit and th€ modu-lator unit.. Repair open in the appropriatesolenoid circuit wire betw€onlhe ABS control unit and themodulator unit.. Replace ih€ modulator unit.
ls there approx. 3 V?
Check for loos€ ABS control unilconn€ctors. lf nece$ary, substi-tute a known-good ABS controlunit and rechock.
FL.OUT IYEL/BLK}DTCConnector
31: FRIN22PNo. 1
32: FR-OUT22PNo.12
33: FL-IN22PNo.11
34: FL OUT22PNo.10
35:RRIN26PNo.13
36:RR-OUT22PNo.21
37:RLIN26PNo. 25
38:RL-OUTNo. 12
RI-.OUT {YEL)
Wire side of female termanals
19-48
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DTC 51 - 53: ABS Pump Motor
NOTE: Short the PMR terminal to bodyground for a moment, and rochock the tuse.lf the fuse is blown, check lor a shon to bodyground in the MCK circuit.
NOTE: Short the PMR terminal to bodyground for a moment, and recheck the fuse,lf the tuse is blown, check tor a short to bodyground in the wire between the under hoodABS fuse/relay box 6nd the pump motor.
ABS CONTROL UNIT 22P CONNECTOR
Wire side of female terminals
(cont'di
- Wilh the ignition switch ON{ll), the ABS indicator doesnot go ott.- With the SCS seruico connec-tor connoctod {sce page 19381,DTCa 51 - 53 .re indicated.
check the MTR cHEcK (7.5 Ailuse in the under-hood ABStuse/relay box, and reinstall theluse if it is OK.
Rsplace the fuse and rech6ck.
check the PUMP MOTOR (40 A)fuse in the under-hood ABS fuse/relay box, and reinstall the fuse ifit is oK.
Roolace lhe tusg and rocheck.
Feplace the pump motor r6ley.
Check the pump motor powelsourc€ circuit:Turn the ignition switch ON (ll).
Ch6ck fo. a short to oowd in th6pump motor power sourca circuit:Remove the pump motor relay.Does the pump motor operate?
Repair rhort to power in the wirebclweon the under-hood ABSfuse/.6lay box and ihe ABSpump motor.
Does the pump motor operateT
Ch6ck tor loos6 ABS control unitconnectors. lf necotsary, 3ubsti-tute . known-good ABS controlunit and rocheck.
(To page 19 50)
19-49
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Troubleshooting
DTC 51 - 53: ABS Pump Motor (cont'dl
(From page 19 49)
UND€R-HOOO ABSFUSE/REI-AY BOX
MOTOR +B IREDIMOTOR GND IBLKI
TERMINAL TERMINAL
PUMP MOTOR CONNECTOB
Fr MOTOR +B {WHTI12 lF-(v)vI
Terminal side of female terminals
Terminalside ofmaleterminals
ABS CONTROL UNIT 22P CONNECTOR
JUMPER WIRE
Wire side of female terminals
Chock the pump motor ci.cuit:1. Remove the pump motor relay.2. Turn the ignition switch ON {ll).3. Connect the pump motor relayconnector +B and MOTOR ter-minals with a jumpor wire fora moment,
Check for an open in the pump
motor +B circuit:1. Turn the ignition switch OFF.2. Disconnect the pump motor
3. Turn the ignition switch ON (ll).
4. Connect the pump motor relayconnector +B and MOTOR terminals with a iumper wire.5. Measure the voltage beaveenthe pump motor connectorterminal No. l and bodygrou nd.
Does the pump motor operate?
Bepair opon in the wire botweenthe under-hood ABS fuse/relavbor and the pump motor.ls there battery voltage?
Check the pump motor opera-tion:Connect the battery (+)terminal tothe pump motor connector termi-nal No. 1, and the (-) terminal tothe terminal No. 2 for a moment.
Reolace the modulator unit.
lFaulty pump moto.lDoes the pump motor operate?
Ch6ck for a short to body groundin the PMR circuit:1. Turn the ignition switch OFF.2. Disconnect the ABS controlunit 22P connector.3. Check tor continuity betweenterminal No. 19 and bodyground.
Repair open in the wire bstweenthe pump motor and body ground,
or poo. ground {G3511.
Repair short to body ground inthe wir6 botween the under-hood ABS tuse/rclay box and th€ABS contlol unit.
{To page 19-51)
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(From page 19-50)
Chcck for .n opsn in the PCOMcircuit:1. Turn the ignition switch OFF.2. Reconnect the ABS controlunit 22P connector.3. Connect the SCS service con-nector.4. Turn the ignition switch ON {ll).5. Measure the voltage betweenthe pump motor relay con-nector PCOM terminal andbody ground.
Repair opon in the wire betwoenthe under-hood ABS fuse/relaybox and tho ABS conlrol unh.ls there approx.3 V?
Check for an open in tho PMR cir-cuh:Measure the voltage between theABS control unit 22P connectorterminal No. 19 and body ground.
Ropair open in tho wir6 botwagntho undcr-hood ABS fuse/rolaybox .nd the ABS control unit.ls there approx. 3 V?
Ch.ck tor an opon in the MCKci.cuit:1. Turn the ignition switch OFF.2. Disconnect the SCS serviceconnector.3. Turn the ignition switch ON (ll).
4. Measure the voltage betweenthe ABS control unit 22P connector terminal No. 17 andbody ground while connect-ing the pump motor relayconnector +B and MOTOR ter-minal with a jumper wire tormoment,
Repair open in the wiro bdtweenthe under-hood ABS fus6/telaybox .nd the ABS control unit.ls there battery voltage?
Chock for loose ABS control unitconnectoas, It necsssary, substi-tule a known-good ABS controlunit and aocheck.
tr) l--l
r"r
ABS CONTROL UNIT 22P CO NECTOR
Wire side of female terminals
1t011
MCK IBRN,/YEL}
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Troubleshooting
DTG 54: Main Relay
IWHT/GRNI
AAS CONTROL UNIT 26P CONNECTON
Wire side of female terminals
ABS COf{TROL UN]T 22P CONNECTOR
PCOMIGRN/WHTIscoM{BLK/WHTI
Wire side of female terminals
- With the ignition switch ON(lll, the ABS indicator doesnot go off.- With the SCS service connec-tor connected {see page 19-381,DTC 54 is indicatod.
Check the ABS +B 120 A) fuse inthe under-hood ABS luse/relaybox, and reinstall the fuse if it isoK.
FeDlace the tu3e and recheck.
Ch€ck tor an open in the 81, 82circuit:Measure the voltage betweenbody ground and the ABS controlunit 26P connector terminal No. 14and No. 15 individually.
Repair open in the wiro bstweonth6 ABS conirol unit and theunder-hood ABS fuse/rolay box,
ls there battery voltage?
Check for a short to body groundin the PMR circuit:L Turn the ignition switch OFF.2. Remove the pump motor relay.3. Disconnect the ABS controlunit 22P connector.4. Check lor continuity betweenterminal No. 19 and bodygrouno.
Repair short to body ground inthe wire betweon the under-hood ABS lGe/r.lay box and theABS control unit.
Check for a short to body groundin the PCOM, SCOM cilcuit:1. Disconnect the ABS controlunit 26P connector.2. Check tor continuity betweenbody ground and the ABS con-trol unit 26P terminals No- 1and No.2 individually.
. R€pair short to body ground inth€ P1COM circuit wire betweenthe ABS control unit and theund6r-hood ABS tuse/r6layoox.. R6p.ir short to body ground inthe PCOM or SCOM circuit wirebetweon th6 ABS control unitand lhe mod!lator unit.. R.Dlece tho modulrtor unit.(Short circuit inside the unitl
ls there continuity?
(To page 19-53)
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Check fo. a short to power in thaPCOM, SCOM circuhi1. Start the engine.2. Measure the voltage betweenbody ground and ABS controlunit 26P connector terminalsNo. I and No.2 individually.
'Repair short to powor in thsFCOM circuit wiro botwoon th€ABS control unit and the under-hood ABS tuse/r.lay box.. Repeir 3hort to power in thoPCOM or SCOM circuit wirebetwegn tho ABS control uniiand ths modulator unh,. R.placo tha modulatoi unit.(Shon to power in.ido th6 unitl
ls there 8 V or more?
Tu.n tho ignhion switch OFF andconnect thc SCS 3orvice connec-tor. Then turn thc ignition switchON (lll and measure tha voltagobotween the PCOM .nd SCOMtsrminal3 and body gJound. Itther6 is 0 V, .epleco tho ABS con-trol unit.
ABS CONTROL UNIT 26P CONNECTOR
PCOM
Wire side of temale terminals
NOTE: 8 V or more indicates a short to
(GRN/WHTI SCOM
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