1994 HONDA INTEGRA Workshop Manual

From page 21-11
Turn the ignition switch OFF.
Remove the heater control pan6l(see page 21-25).
Turn the ignition switch ON (lll.
Measure the voltage b€twsen the8LU/BLK wire terminal l+) andbody ground {- ).
Rgp.lr op.n In lh. BLU/BLK wh.batwoen lh! blowar motor lndtho hcolar f.n .wltch.ls there battory voltage?
Turn the ignition switch OFF.
Check tor continuity in lhe BLKwire between the heater lanswitch and body ground.
Ch.ck tor an opan in lhr Bl-K wirobdtwaan tho hortar tln lwftch.nd body ground. lf tho wlra l.OK, ch.ck for poor ground .tG201 .nd /rO1.
Roplaco tho hsator tan lwitch.
Troubleshooting
Blower Motor (cont'dl
View trom wire side
BLU/BLK{ + }
21-12

From page 21-11
Tu.n the ignition switch ON (ll).
Measure tho voltage botwoon thoNo. 4 torminal (+) 6nd bodvground (- l.
Ropair opan in tho BLK/YEL wir.batworn lha undor-hood fuaa/ra-hy box snd tho undor-dr.htur./rolay box.
ls there battery voltage?
Turn the ignirion switch OFF.
Check for continuity between theNo. 2 torminal and body ground.
Ch.d( to. !n oF|rn in th6 BLK wirobatwagn lho undar-hood luro/ra-lry box lnd body ground. ll th.wlre it OK. chock tor poo. groundat G2Ol lnd G/lol.
Rop.ir opon in th. BLU/WHT wlr.betweon tho undsr-hood lura/l.-lay box and tho blowor motoi.

Troubleshooting
Mode Control Motor
21-14
Modo control motor dooa not nm,
or ono oa moto modo arc In_
oporgtivo.
Disconnect th6 mode control mo_
tor 8P connector.
Turn the ignition switch ON (ll).
Measuroth€ voltage b€tween tho
BLK/YEL wire terminal (+) and
bodv ground (- ).
R.p.lr op.n In lho BLrrYEL wl..
bctw.rn lha undard!.h fuaa/ru-
l.y box .nd ih. mod! corttol
motor.
Turn the ignition switch OFF.
To page 21-1 5

From page 21-14
NO
To psg6 2'l - 16
Check for continuity in the BLKwire betweon the mode controlmotor and body ground.
Chock lor an op6n In tho BLK wtbotwo€n tho modo control mototlnd body ground. It thr wlro i!OK, chock for poo. grouhd otG2O1 8nd G/tOl.
Test the modo control motor (seepage 21-281.
Romovo the mode control motor(soo pag6 21-281.ls the mode control motor OKI
Remove the heater control oanel{soe page 21-25).Ch€ck the modo control linkagoand doo.s tor smooth movoment.
Disconnect the heater controlDanel 14P connector.Do tho mode control linkageand doorc movs smoothlv?Ropair th6 mod6 controllinkago or doors.
Ch€ck each wire for continuity bo-twoon the mod6 control motorand body ground.. YEL/BLU wire. Y€L wire. 8LU,^/VHT wire. GRNI/EL wire. YEL/RED wire
Raplace thc modo control moto..
Roprir any .hort in th. wlrol!) b.-tworn tha moda control anototand tha holtar control pan6l.
Check the same wires lor vohage.
Roplir rho.t to powar In tha8LK^'EL wiro b.two.h lh. modoconlrol hotor rnd tha haat* con-trol p!rr.|. (Thi! damrg.. thahello. control p!nel.)
ls the.6 any voltage?
View lrom wi.e side
GRl{/YEL
lconl'dl
21-15

View from wire side yELFrom page 21-'l 5
Check each wire for conlinuity be-tween the mode contiol motorand the heater control panel.. YEL/BLU wire. YEL wire. BLU/WHT wire. GRN/YEL wire. YEL/RED wire
R.psir any opon in fro wir6{.1 bo-twocn tho mod€ control motolsnd tho holtar contiol prnal.
Rsploco tho hoator conlrcl panol.
Troubleshooting
Mode Control Motor (cont'd)
21-16

Recirculation Control Motor
ffi
Rocirculation control doo. dooanot chsng€ botwoon FRESH 6ndRECIRCULATE.
Disconnect the rgcirculation con-trol motor 4P connector.
Turn the ignilion switch ON l).
Measure the voltage between theBLK^/EL wire rerminal {+) andbody ground (- ).
Reprir op.n In th. BIK/YEL wir.botwoon thr und.r+rh fu!./r.-by box 6nd lha radrculdion co.r-trol motoi.
ls there battery voltage?
Turn the ignition switch OFF.
To page 21-18
{cont'd)
21-r 7

Troubleshooting
Recirculation Control Motor (cont'd)
Test the recirculation control mo_
tor (see page 21-29).
Remove the recirculation control
motor (see pag. 21-291.ls the recirculation controlmotor OK?
Check the recirculation controllinkage and door for smoothmovement.
Remove the heater control pan€l
{see page 21-25).Do the recirculationcontrol linkage and doormove smoothly?
Ropalr tho ioclrculatiooconirol linkaga ot dool.
Disconnect the heater controlpanel 14P connector.
Check for continuity in the
GRNMHT and GRN/RED wires
between the recirculation controlmotor 6nd body ground.
RoDair shorl in rhs GRNMHT
and/or GRN/RED witols) botwoenthe rocirculation conl.ol motot
and tho hoster control Panol.
Check the same wircs for voltage.
Ropair 3hon lo Power in thoBLK/YEL wiro botwoon ths rocit-
culalion control motoi and lheho6tor control Panel' {Thirddmagos tho h€atot cont.ol
oanol.)
ls there any voltage?
Check for contin!ity in the
GRN/WHT and GRN/RED wires
between the recirculation controlmotor and the heater controlpanel.
Ropair opsn in the GRi|/WHTand/o. GRN/RED wiro{sl botwoonths rocirculstion conttol mototand tho hoator control Panol.
Reolace th€ heatsr control Panal.
From page 21- l7
No. 5 GRN/RED
o. 6 GRI{MHT
View from wire side
View from wire sid6
GRN/RED
ffii
21-18

Heater Control Panel Input/Output Signals
No.Wire ColorSignslNo.Wire ColorSi9n8l
IBLU/WHTHEATINPUT8GRN/YELHEATA/ENTINPUT
2YELI{EAT/DEFINPUTqRED/BLKCOMBINATION LIGHT SWITCHINPUT
YEL/BLUDEFINPUT10REDBRIGHTNESS CONTROLLEROUTPUT
4BLKGROUNDOUTPUT11BLU/REDA/C THERMOSTATINPUT
5GRN/REDRECIRCULATEINPUT12GRNHEATER FAN SWITCHOUTPUT
oGRN/WHTFRESHINPUT1?
YEL/REDVENTINPUT't4BLK/YELtG2INPUT
21-19