Page 2609 of 3051
Control OperationNLHA0123
NHA370
FAN CONTROL SWITCHNLHA0123S01This switch turns the fan ON and OFF, and controls fan speed.
MODE CONTROL KNOBNLHA0123S02This knob controls the outlet air flow.
TEMPERATURE CONTROL KNOBNLHA0123S03This knob allows you to adjust the temperature of the discharge air.
REAR WINDOW DEFOGGER SWITCHNLHA0123S07When illumination is ON, rear window is defogged.
AIR CONDITIONER (A/C) SWITCHNLHA0123S05The 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) SWITCHNLHA0123S08Recirculation (REC) position: Interior air is recirculated inside the vehicle. (The indicator lamp will light.)
Fresh (FRE) position: Outlet air is drawn into the passenger compartment.
DESCRIPTION
Control Operation
HA-18
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Discharge Air FlowNLHA0124
NHA371
DESCRIPTION
Discharge Air Flow
HA-19
Page 2611 of 3051
System DescriptionNLHA0125SWITCHES AND THEIR CONTROL FUNCTIONSNLHA0125S01
Knob/SwitchKnob/Switch position
Compressor
A/C VENT B/L FOOT D/F DEF REC FRE
A/CjON*1
Mode
j—
j—
j—
j—
j—
Intake
j—
j—
*1: Compressor is operated by ECM.
MAX HOT DOOR AND REAR FOOT DOOR FUNCTION
FOR SCANDINAVIA AND COLD SPEC MODELS
NLHA0125S02
NHA389
DESCRIPTION
System Description
HA-20
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Component LocationNLHA0126ENGINE COMPARTMENTNLHA0126S01
NHA372
TROUBLE DIAGNOSES
Component Location
HA-21
Page 2613 of 3051
PASSENGER COMPARTMENTNLHA0126S02
NHA461
TROUBLE DIAGNOSES
Component Location (Cont’d)
HA-22
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Wiring Diagram—HeaterNLHA0202MODELS WITH ECM IN ENGINE COMPARTMENTNLHA0202S04
YHA330
TROUBLE DIAGNOSES
Wiring Diagram—Heater
HA-23
Page 2615 of 3051
MODELS WITH ECM IN CABINNLHA0202S05
YHA345
TROUBLE DIAGNOSES
Wiring Diagram—Heater (Cont’d)
HA-24
Page 2616 of 3051
YHA346
TROUBLE DIAGNOSES
Wiring Diagram—Heater (Cont’d)
HA-25