ground HONDA INTEGRA 1998 4.G Owners Manual

Troubleshooting
DTC 53: Motor Stuck ON (cont'd)
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(From page 19-55)
Chock to. r shon to body ground
in tho PMR circuit:L Remove the pump motorrelay.2. Disconnect the ABS controlunit 12P conn6ctor.3. Check lor continuity b€tweenterminal No. 12 and bodyground.
R6pair 3hort to body ground
b.tween th6 under-hood ABSfuso/rolay box .nd the ABS con-irol unit.
lf tho problom occurs again,roplaco tho ABS contlol unh.
COIVTROL UN]T I2P OONI{ECTOR
/Lr-r-F-,--T+t1t2t3l4t516l
FT;sTrrFoFiFZ._T
PMR tYEL/RED[
(o)
Y
wire side of lemale terminals
9-56

DTC 54: Fail-safe Relay
- With tho ignition switch ONlll), the ABs indicato. do.snol qo oft.- lr
ith tho SCS sorvico oonncc-tor connoctod (aoe pago 19-37). DTC 5,1 i3 indicli.d.
NOTE: lf the fuse is blown after the fail-sato relay is on. check for a short tobody ground in the wire between thetail-saf6 relay, pump motor relay andmodulator unit.
-
FAIL.SAFE RELAY CONN€CTON
+8 IWHT/GRNI J-F1r- l l2l


EIN(v) -
Y
Wire sade ol female terminals
+8{WHT/GRN| '.5
JUMPEFWIFE ( ffi-----1113
soltNorD{BRN/BLK}
MODULATOR UN]T CON ECTOR
sot"ENorD{BRN/BLKI
Terminal side ot female terminals
Check the ABS 81 (20 A) fuse inthe under'hood ABS fuse/relaybox, and reinstall the luse if it isoK.
R.olaco tho fu3! .nd rochocl.
Check the fail-safe relay (see sec-tion 23) and leavo tho tail-saferetay removed.
Chock lor an opan in th6 +8 cir-cuit:Measure the voltage between th€fail-safe relay connector terminalNo. 1 and body ground.
Ropair opon in tha wire botwecnths undor-hood ABS fuso/rol.ybox.nd ihe tail.3at r.lay,
ls there battery voltage?
Chock tor.n op6n in thesolenoid power 3ourco circuit:1. Connect the fail'saIe relayconnector terminal No. 1 toNo. 3 with a jumper wire.2. Disconnect the modulatorunit connector,3. Measure tho voltage betweenthe modulator unit connectorterminal No. 10 and bodyground.
Rep.ir open in tha wira betwoonthe fril-rete rolay and tha modu-lator unit.
ls there battery voltage?
(To page 19-58)(cont'dl

Troubleshooting
DTG 54: Fail-safe Relay (cont'd)
MODULATOB UN]T CONI{ESTOR
sor5NorD f;Fl-'Ti)
rBRN/BLn 1qll9l-1i
l-\!xtz)
O)
Y
Terminal side of female terminals
ll
ABS CONTROL UNIT 22P CONITECTOR
Wire side ol female terminals
FAIL.SAFE RELAY CONI{ECTOR
Wire side of temale terminals
ABS CONTROL U[{IT 22P OONNECTOR
{From page'19-57)
Ch6ck tor a shon to powor in thesolenoid powgr source circuit:1. Remove the iumper wire fromthe fail-sale relay connector.2. Measure the voltage betweenthe mod{rlator unit connectortorminal No. 10 and bodyground.
Repair shon to powor in tho wire
between tho ftil{at rolaY, mod-uletor unit and tho undar-hoodABS fu3e/relay box.
ls there battery vokage?
Check tor a $hort to Power in theFSR circuh:1. Disconnect the ABS controlunit 22P connector.2. Turn the ignition switch ON (ll).
3. Measure the voltage betweenthe terminal No.21 and bodyground.
Repair short to powor in tha wircbetwoon the ABS control unit
rnd tho tail{sla rehy.ls there battery voltage?
Chgck for a 3hort to body ground
in th6 FSR circuit:Check for continuiw between theABS control unit 22P connectorterminal No. 21 and body ground.
Rapair short to bodv ground inthe wir. betwoon the ABS con-trol unit andthe f.il-sdo rolay.
Check for an open in the FSRGND circuit:Check lor continuity betlveen thefail safe relay connector terminalNo. 4 and body ground.
Repeir op.n in ths wire betweentho tail-sate.olay and bodyground.
Check for sn opan in the FSR cir-cuh:1. Installthe lail-sale relay.2. Check for continuity betweenthe ABS control unit 22P connector terminal No, 21 andbody ground.
Repair opgn in the wire betwoonthe ABS control unit snd tho fail-safe r6lay.ls there continuity?
lf the probl6m occurs.gain,roolaco the ABS control unit.
Wire side of female terminals

qrt
View from wire side
BLU/BLKBLU/WHT
1
To page 21- 1O
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tl
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BLU/YEL
l'r
Elowor motor runs, but one ormole speeds sr€ inoperative,
Turn the ignition switch ON lll),and the heater fan switch OFF.
Does the blower motor run?
Turn the ignition switch OFF.
Measure the resistance betweenthe No. 2 and No. 4 terminals ofthe blower resistor.
ls there approx. 2-3 ohms?
Remove the heater control panel(see page 21-25).
Turn the ignition switch ON (ll).
At the heater fan switch 6P con-nector, ground each of thesewires individually in the followingorder:. BLU wire. BLUMHT wire. BLU/YEL wire. BLU/BLK wire
To page 21 10
(cont'd)
21-9

Troubleshooting
Blower Motor Speed (cont'dl
From page 21-9
Does the blower motor run atprogressively higher speeds?Reolace the heat€r tan switch.
Repair open or cause of excessiveresistance in the approprialewi.e{s) betweon the heater fanswitch and the blower resistor.View from wire side
From page 21-9
View trom wire side
BLU
ilif
fril t
)ltBLU/WHT
ls there continuity?
BLU/BLK
BLU
' lz-
Turn the ignition switch OFF.
Remove the heater conlrol panel(see page 21 25).
Check each wire for continuity be-tween the heater fan switch 6Pconnector and body ground.. ELIJ wire. BLU/WHT wire. BLU/YEL wire. BLU/BLK wire
Replace the heat6r fan switch.
Bepair short in the wire(sl be-tween the heater fan switch andthe blow€r resistor.
If
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BLU/BLK
21-10

Blower Motor
View from wire side
View from wire slde
BLOWER MOTOR RELAY IP SOCKET
Blower motoa does not aun at all.
check the No. 55 {40 A} fuse inthe undeFhood fuse/relay box.
At the blower motor 2P connec-tor, connecl the BLU/8LK wire terminal to body ground with a
iumper wire.
Turn the ignition switch ON {ll).
Does the blower motor run?
Disconnect the blower motor 2Pconnector, and measure the vol-tage between the BLU/vVHT wireterminal (+) and body ground(-).
ls there battery vokagel
Turn the ignition switch OFF.
Rernove the blower motor relayfrom the under-hood fuse/relaybox and test it (see page 2l-30).
Roplsco tho blower motor .olsy.
Measure the voltage between thoNo. 3 terminal (+) and bodyground (-)
ls there battery voltage?
To page 21- 12
To page 21 13
rD
(cont'd)

Troubleshooting
Blower Motor (cont'd)
From page 21-11\View from wire side
8LU/BLK( + I
Turn the ignition switch OFF.
Remove the heater control panel(see page 21-25).
Turn the ignition switch ON lll).
Measure the voltage between theBLU/BLK wire terminal {+) andbody ground (- ).
Repair open in the BLU/Bl-K wir6between the blowea motor andthe hoster lsn switch.ls there battery voltage?
Turn the ignition swirch OFF.
Check for continuity in the BLKwire between the heater fanswitch and body ground.
Check fo. an oDen in th6 8LK wirebotwo€n th€ haat€r tan switchand body ground. ll th6 whe isOK. check tor poor ground atG201 and 401.
Rsplac€ the heat€r fan switch.
ls there continuity?

From page 21-11
BLOWER MOTOR RELAY /rp SOCKETTurn the ignition switch ON {ll).
Measure the voltage between theNo. 4 terminal (-f ) and bodyground (- ).
Repair open in the BLK/YEL wirebetweon tho under-hood tuse/r€-lav box and th€ und€r-drshtuse/relav box.
ls there battery voltage?
Turn the ignition swrtch OFF.
Check for continuity between theNo. 2 terminal and body ground.
Check for an oDen in the BLK wir€belween the undor-hood fuso/re-lay box and body ground. It thewire is OK, check forpoor groundat G201 and G4O1.
Ropair open in the BLU/WHT wirebetween the undor-hood fuse/re-lav box and the blow€r motor.
21
4

Troubleshooting
Mode Control Motor
Mode controlmotor does nol run.or ong or more mode are in-operatve.
Disconnect the mode control mo-tor 8P connector.
Turn the ignrtion switch ON (ll).
Measurethe voltage between theBLK/YEL wire terminal {+ ) andbody ground (- ).
Repair open in ths BLK/YEL wirebetween the und€r-dash fusehe-lay box and the mods cont.olmotoa,
Turn the ignition swirch OFF.
ls there battery voltage?
To page 21 15
21-14

II
JFrom page 21- 14
ls the mode control motor OK?
YES
NO
To page 21-16
View from wire side
BLU/WHT
GRNTYEL
(cont'dl
Check for continuily in the BLKwire between the mode controlmolor and body ground.
Check tor an oDen in the BLK wireb€twe€n the mode control motorand body ground. lf the wiro isOK, check for poor ground atG201 and G401.
Test the mode conlrol motor (seepage 21-281.
Remove the mode control motor(see page 21-28).
Remove the heater control panel
lsee page 21-25).Check the mode control linkageand doors for smooth movement,
Disconnect the heater controlpanel 14P connector.Ropair the modo contrcllinkag€ or doors.Do the mode control linkageand doors move smoothly?
Check each wire for continuity be-tween the mode control motorand body ground.. YEL/BLU wire. YEL wire. BLU/WHT wire. GRN/YEL wire' YEL/RED wire
ReDlace the mode conlrol molor.
Ropaii any short in the wiiolslbe-tw6€n the mod€ control motorand th€ heater control oan6l,
Check the same wires for voltaoe,
Ropair sho.t to power in theBLK/YEL wir€ betweon the mod€controlmotor and the hottor con-trol panel. (This damagos thgheater control oanel.)
ls there any voltage?
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21-15