1999 HONDA CIVIC dash

- '99-'00 Models
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UNDER.HOODFUSE/RELAYBOX
UNDER-DASHFUSE/RELAYBOXPHOTO 58
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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
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See GroundOistribution,page '14-5.
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60-1

Air Delivery
- '96-'98 Models
SgE PorvstDistrtbLditr,pags I S9.
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BLx,yEL ELK/'(EL I PHora363
I t FUSE 17 I: H€AITN :
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UNOER-DASHFUSEiRELAYBOXPHOTA 58
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RECIRCULATIONCONTROLMOTORPHO|O A2
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Air Delivery
- '99-'00 Models
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RECIRCULATIONCONTROLMOTORPHOTO 139
CONTROLPANEL
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Delogger
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HEATERPUSHswtTcHEs
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Air Airmix mixcool hot;;-; J'J - - - J-JL i- 5:- - -
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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

Rear Window Defogger
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- '96-'98 Models
See Dash andConsole Lights
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See Dash andConsole Lights
S€e GroundDistribution,page 14-7.
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See GroundDistribution,page 14-7.
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- '99-'00Models
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See Power0istribution,pag€ 1&9.
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Ss6 Pows Dist bution,pag€ 10-9.
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HEATER PUSH SWITCHESUNDEN.DASHFUSE/RELAYBOXPHO|O 5e
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64-1

See Wiper,ryVasher
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FUSE 30l|lslFl,|tEl{luotfT3
UNDER-DASHFUSE/RELAYBOX
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FUSE 26FR \I/IP€gFi WASTIEF204
Ught8.ONnemhderCircrti
lfllsnl|literWip6r RelayCircuit
Combin€dl,Ylper/WarhotCireuit
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70-1

Brake System Indicator Light
- '96-'98 Models
NOTE: Fuse 31 is hot with lgnition Switch in START (lll) and clutch pedal depressed or A,/T gear selector in
PARK (P) or NEUTRAL (N), see Starting System, page 21 , 21-1, or 21-2.
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FUS€ 31atAirEn8Gl{tt7.all
UNDER-DASHFUSE/RELAYBOXS€o Starling Sysl6m,pag6 21, 2l-1, or el-2,
FUSE 25
ffR s." Ponr"tDistribulion,page 10-6.
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