Dash HONDA CIVIC 1999 6.G Workshop Manual

A/T Gontrols ('96-'98 CVT) (conrd)
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IISs€ PowerDisfibution,page 10.6.Se€ PGIV-FI,page 23-12.See Dash arConsole Ligl
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1lc410
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Se€ GroundDistribution,page 1+7.
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39-6
ir=l*--:*"ii*lF.?}t?''------JvtEwTa
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--1 UNDER.DASH TT---] UNDER.HOOD
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i t !,1f:,1:FUSE 13 I FUSE/RELAY I ,' FUSE 44 I FUSE/RELAY4a!c!!q : Box !
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lifffil;! , Cruseconuot | - : coNTRoLI , sbnatinput : .,-,*-_" Power input ! uooule. : -tpl:lyP$- -; Marnshar Power input luooule\:;;;-#-- ;&c r(PcM)
,pd sensd, 9ims9r Grcund 1",f3tr7"*i irprt inputf otct {trM) PGr) (PG4 rLGl' (LG2),a=----- -----_---J
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Ground
BAN/ELKBFN/BLK
39-9

A/T Controls ('98 GX and All '99-'00 Models except CW) (cont'd)
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UNDER-DASHFUSE/RELAYBOXiT-*-.'-;---l
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See PowerDistribution,page 10-6.
===a oerm|nars 17-20)
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See Dash and Console Lights
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See GroundDistribution,c€lge 14-7.
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c410
vlEW 35
c136
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r--,"";---- -----^-_=--r powERTRAtN
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i ;a; iiii"rto, i MoDULE (PcM)
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39-10

Supplemental Restraint System (SRS)
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FUSE 13FUELPUUPFBA UMT)15A
See PowerDistibution,page 10-2.
FUSE 23(sRs)
c801PHOTO 58
SRS MEMORY ERASESTGNAL (MES) CONNECTORPHO|O 111
. To avoid accidental deployment and possible
iniury always disconnect the driver's airbag and
f ront passenger's airbag connectors (automatically
shorted) before working near any SRS wiring.
. CAUTION: Whenever the ignition switch is ON (tt),
or has been turned OFF for less than three minutes,
be caretul not to bump the SRS unit; the airbags
could accidentally deploy and cause damage or
iniuries.
UNDER-DASHFUSE/RELAYBOX
GFY 07)or GFN{18)
GFN
GFYt2l
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GFN
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ALK
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GFY O4)or GRN
SRSUNIT
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PHOIO 125short contact) | - FCqOtL_________J PHO|A 57
47
GAY (21) or GRN
lgnitionInput(VA)
Driver's
cont.ol
lgnitioninput(VB)MES connector inputSRS indicatorlighl control
Service t------check : Passengefs ;connector ; airbag control , GroundInpu , /+rr I pir-r
Passenger'sai|bag conlrol; prc..t rnpuv, Ourpul
14GRY(5) orGFN
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, I oATA L|NK SERVTCE: CoNNECTOR (DLC) CHECK,J piarasa CONNECTORvtEw48

UNDER.DASHFUSE/RELAYBOXPHO|O 5EFUSE 25IIEIEB754S88 Fowor
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GAUGEASSEMBLYPHOfO 67
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47-1

Blower Controls
'96-'98 Models
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UNDER.HOODFUSE/RELAYBOX
UNDER.DASHFUSE/RELAYBOXPHOTO 5A
BLOWEFnoToRBELAYPEOfO I
HEATER FANSWITCH
6 calrSeeL/cCompressorControls
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See GroundDbtribution,oaqg 14-5.
See GrorDbtributipage 14.
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- c402
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BLK
60

- '99-'00 Models
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UNDER.HOODFUSE/RELAYBOX
UNDER-DASHFUSE/RELAYBOXPHOTO 58
iGi'i'-----'lBEATEA,'/C RE|AY7.5A
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See PowerDist.ibution,
FUSE 55HEAIERt/toToR
page 10"9.L-*----::--J
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Se€ PowsrDl8tdbution,pago 1O11.
g€e PowsrDlslribution,pag€ lGg,
ALOWEFmoToRREIAYPHOTO Il1
BIUBLIVYEI
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OFN/WHT
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G402G402
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Se€ Ground
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UNDER.HOOOFUSE/RELAYBOX
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1 HEATER I"-'FI POWERt Battory lgnition Blower I CONTROL I | | rAlHStStOni (brckup) input molor i pAHel I I I pHoro 13e
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i motor Power ' 'Jback I wr'vzo
I ;_ |! high relay transislor
Ls::s1gl-tt:---J lJ J I
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alK
See GroundOistribution,page '14-5.
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60-1

Air Delivery
- '96-'98 Models
SgE PorvstDistrtbLditr,pags I S9.
9 Y C420
BLx,yEL ELK/'(EL I PHora363
I t FUSE 17 I: H€AITN :
! f I9"",' see Powsr !i f otsaibution, i
LJ----':g':'--.i
UNOER-DASHFUSEiRELAYBOXPHOTA 58
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er.x,ter- [
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See Dash andConsole Ughts
RECIRCULATIONCONTROLMOTORPHO|O A2
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c723PHOTO 138vtEw 57GBN/IVHT
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GBN/NED
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61
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Air Delivery
- '99-'00 Models
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r--T----.I UNDER-HOOD UNDEB-DASH
| ,ry:i.l? IFUSE/RELAY I t::u:E^tt l:usE/RELAyi
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lr !I See Power I See Power Distnbution.I Distribution, U page 1o-9.
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MODECONTROLMOTOR
;L:L{;I{,tt't{ {f
SensorGround grgund
venl
Air mix5Y poientia,reTgrano9 rnrrul
gIouno
RecircSwilcfi switchcommon mput
Recirc S$,itchtED LEDcontrol common
RECIRCULATIONCONTROLMOTORPHOTO 139
CONTROLPANEL
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So€ Roar II Windolv :
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Htr Ttr =tr ;l *tr :tr *,tr THtr Ttr =tr ;l *tr :tr *tr Ttr
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Battery lgnition Mod€ Mode Mode L4ode Mode l od€(back up) input detrost h€av heat heav vent motorR€circulato Fresh
IJ
Delogger
L------- ---J
HEATERPUSHswtTcHEs
delrost
Air Airmix mixcool hot;;-; J'J - - - J-JL i- 5:- - -
SLK
812
AFN
13
BFN
See GroundDistribution,page 14-5.
c4 t, cl
WHT I ONN
ft++il
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F ash/RoclreSwftch
Reclrc.oat LEo
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tt
L__l--tGo3,
See RearWindowOetogger
AIR MIXTURECONTROLMOTOR
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61-2

- How the Circuit Works
'96198 Models
The air delivery system directs the flow of air used
by the heater and air conditioner systems.
Mode Selection
Mode selection is controlled by the mode switches
in the heater control panel and the mode control
motor. When you select a specific mode, voltage is
applied through the dimming circuit to the LED,
which comes on, indicating the mode selected.
Ground is orovided to the mode control motor
though that mode switch. The motor then runs until
the air control door reaches the proper position.
Fresh/Recirculation 56lection
When you press the fresh or recirculation button, a
ground signal is sent from the heater control panel
to the recirculation control motor. The motor then
runs until the recirculation door reaches the proper
position. Battery voltage is also applied through the
dimming circuit to the corresponding LED, and the
LED comes on.
Refer to the Service Manual (Section 21, Heater) for
specitic tests or troubleshooting proc€dures.
'99J00 Models
The heater control panel receives battery voltage at
all times through fuse 47. With the ignition switch in
ON (ll), voltage is supplied to the heater control
panel through fuse 17. The control panel is
grounded at G402.
The heater control panel controls the air delivery
motors, and supplies a 5 VDC reterence voltage to
the air mixture control motor.
The air mixture and mode control motors each
receive inputs trom the heater control panel. The air
mix motor regulates the mixture of cold and hot air
by varying the position of the heater-evaporator doot
The mode control motor controls the direction and
volume of outlet air. The air flow can be directed to
the dashboard vents or the corner vents.
Both the air mixture control molor and mode control
motor are grounded by the h€aler control panel.
The recirculation control motor receives battery
voltage through fuso 17 when the ignition swilch is
in ON (ll). lt regulates the position of the fresh/recirc
door, and is controlled by two position inputs from
the heater control panel ("Recirc" and "Fresh").
Refer to the Service Manual (Section 21, Heater) tor
specific tests or troubleshooting procedures.
61-3