Page 2953 of 3189
Component LayoutNJHA0122
RHA589H
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
SC
EL
IDX
DESCRIPTIONMANUAL
Component Layout
HA-17
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Control OperationNJHA0123
RHA247I
FAN CONTROL SWITCHNJHA0123S01This switch turns the fan ON and OFF, and controls fan speed.
MODE CONTROL KNOBNJHA0123S02This knob controls the outlet air flow.
TEMPERATURE CONTROL KNOBNJHA0123S03This knob allows you to adjust the temperature of the discharge air.
REAR WINDOW DEFOGGER SWITCHNJHA0123S07When illumination is ON, rear window is defogged.
AIR CONDITIONER (A/C) SWITCHNJHA0123S05The air conditioner switch controls the A/C system. When the switch is depressed with the fan ON, the com-
pressor will turn ON. The indicator lamp will also light.
The air conditioner cooling function operates only when the engine is running.
RECIRCULATION (REC) SWITCHNJHA0123S08Recirculation (REC) position: Interior air is recirculated inside the vehicle. (The indicator lamp will light.) The
A/C system operates at maximum performance when the REC switch is ON.
Fresh (FRE) position: Outlet air is drawn into the passenger compartment.(The indicator lamp will not light.)
DESCRIPTIONMANUAL
Control Operation
HA-18
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Discharge Air FlowNJHA0124
RHA248I
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
SC
EL
IDX
DESCRIPTIONMANUAL
Discharge Air Flow
HA-19
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System DescriptionNJHA0125SWITCHES AND THEIR CONTROL FUNCTIONSNJHA0125S01
Knob/SwitchKnob/Switch position
Compressor
A/C VENT B/L FOOT D/F DEF REC FRE
A/CON*1
Mode
—
—
—
—
—
Intake
—
—
*1: Compressor is operated by ECM.
DESCRIPTIONMANUAL
System Description
HA-20
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Component LocationNJHA0126ENGINE COMPARTMENTNJHA0126S01
RHA249I
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSESMANUAL
Component Location
HA-21
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PASSENGER COMPARTMENTNJHA0126S02
RHA250I
TROUBLE DIAGNOSESMANUAL
Component Location (Cont’d)
HA-22
Page 2959 of 3189
Wiring Diagram — HeaterNJHA0202
YHA460
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSESMANUAL
Wiring Diagram — Heater
HA-23
Page 2960 of 3189
Circuit Diagram — Air ConditionerNJHA0127
YHA461
TROUBLE DIAGNOSESMANUAL
Circuit Diagram — Air Conditioner
HA-24