1997 HONDA CR-V under hood fuse relay box

1?
4678
CavityWire
ColorTest CondhionTost: Desired RosultPossible Cause(lf result is not obtainedl
1WHT/BLU
lgnition switch turned
to ACC (l), ignition key
pushed all the way in
Check for voltage to ground:
There should be battery voltage.
Blown No. 48 {30 A} fuse in the
under-hood fuse/relay box
Blown No.33 (7.5 A) fuse in the
under-dash fuse/relay box
Faulty steering lock assembly
{key interlock solenoid)
An open in the wire
YEL
lgnition switch ON (ll)Check for voltage to ground:
There should be battery voltage.
Blown No.25 (7.5 A) fuse in the
under-dash fuse/relay box
An open in the wire
YEUBLK
lgnition switch ON (ll)Check for voltage to ground:
There should be baftery voltage.
Blown No. 25 (7.5 A) fuse in the
under-dash fuse/relay box
Faulty shift lock solenoid
An open in the wire
4BLKUnder all conditionsCheck for continuity to ground:
There should be continuity.
. Poor ground (G401)
. An open in the wire
5WHT
lgnition switch turned
to ACC (l), ignition key
pushed all the way in
Check for voltage to ground:
There should be battery voltage.
Blown No.48 (30 A) fuse in the
under-hood fuse/relay box
Blown No. 33 (7.5 A) fuse in the
under-dash fuse/relay box
Faulty steering lock assembly(key interlock switch)
An open in the wire
BLI(BLU
Shift lever in ECheck for continuity to ground:
There should be continuity,
Faulty Ay'T gear position switch
Poor ground (G101)
An open in the wire
8WHT/BLK
Shift lever in @ and
pulled toward steering
wneel
Check for continuity to ground:
There should be continuity.
Faulty park pin switch
Shon to ground
Shift lever in ECheck for continuity to ground:
There should be no continuity.
Wire side of female terminals
Reconnect the interlock control unit 8P connector.
14-145
7WHT/RED
lgnition switch ON (ll)
and brake pedal
presseo
Check for voltage to ground:
There should be 1 V or less.
Faulty brake switch
Faulty throttle position (TP)
sensor
Faulty PCM
An open in the wire
Faulty interlock control unit
lgnition switch ON (lll,
brake pedal and accel-
erator pedal pressed at
the same time
Check for voltage to ground:
There should be baftery voltage,
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Component Locations
NOTE: The illustrations show the '97 - 98 models. The '99 - 00 models are similar.
ABS CONTROL UNITRIGHT-REAR WHEEL SENSOR
UNDER.HOOD ABSFUSE/RELAY BOX
RIGHT.FRONT WHEELSENSOR CONNECTOR
RIGHT-FRONTWHEEL SENSORRIGHT-REAB WHEELSENSOR CONNECTOR
MODULATOR UNIT
LEFT.FRONT WHEEL SENSOB
UNDER.DASH FUSE,/RELAY 8OX
UNDER.HOOO FUSE/RELAY AOX
IGl I(, AI FUSE
ABS +B 120 Al FUSEPUMP MOTOR ('II AI FUSE
HOBN/STOP I15 AI FUSE
UNDER.HOOD ABS FUSE/RELAY BOX
LEFT.FRONT WHEELSENSOE CONNECTOR
GAUGE ASSEMBLY
ABS INDICATOR
UNDER-DASH FUSE/NELAY BOX
METER {7.5 AI FUSE
MOTOR RELAY
19-27
SERVICE CHECK CONNECTOR {2PI
D!
trtrtr
[r D!
ABS {7.5 AI FUSEMTR CHECK 17.5 AI FUSE
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Circuit Diagram
UNDFS I]OOD FISAFELAY 8OXCbsod: &rrc ped. deprelled
wHT/GrN -tjF GFrlrr'vril
GNITION
*oJG\'*"\€F*,-
UNDER-HOOD A8S FUSE/FELAY BOX3P CONNECTOR (O number)
t_--t l-|ll'"1
UNDER.HOOO A8S FUSE/RELAY BOX2P CONNECTOF (! numbor)
EFIAKE SWITCH CONNECTOR
l€-4| 1 txl2 |
f s a'lLr--'--.----1
UNDER,DASH FUSFJRELAY BOX20P CONNECTOR (O number)M-OD U LATOR UN IT CON N ECTOR
ll3 2ir I
{tT6TsF}
!]q:]j_1,
MP MOTOR CONNECTORnumber)
ATi)
PU
UNDER-DASH FUSE/RELAY BOX18P CONNECTOR (E number)
(tr
ASSEMBLY 5P CONNECTOR
----.4-l1)/l3l/l5l
356J89
10111213,/ 115 ,/19
123456
910'1213|i4 /718
19-32
Wire side ol female lerminals
Terminal side oJ lemale terminals
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- With engine running, the ABSindicsior is ON.- With the SCS service connec-tor conn€cted (s€€ page 19381,no DTC is indicated.
Check the ABS {7.5 A) fuse in theundeFdash fuse/relay box, andreinstall the fuse if it is OK.
ReDlace lhe tuse and recheck.
Check the ABS +B (20 A) fuse inthe underhood ABS fuse/relaybox, and reinstall the fuse if it isoK.
Replace the fuse and rocheck.
Check for sn open in the lG2 cir-cuit:1. Turn the ignition switch ON {ll).2. Measure the voltage betweenthe ABS control unit 26P con-nector terminal No. 3 andbody ground.
Repair open in tho wire betweenthe ABS {7.5 A} fu3e .nd the ABScontrol unit,
Check for an open in the 81 and82 circuit:Measure the voltage betweenbody ground and terminals No. 14and No. 15 individually.
Ropair open in tho wi.e betweenrhe ABS +B {20 A) fuse and theABS control unit.is there battery voltage?
ABS Indicator Does Not Go Off (No DTGI
A8S CONTROL UNIT 26P CONNECTOR
IG2IBLK/BLU)
Wire side of female terminals
ABS CONTROL U N 26P CONf{ECTOR
{WHT/GRNI
(cont'd)
Wire side of female terminals
(To page 19 44)
19-43
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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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