HEATING AND VENTILATION 1A-19
REAR HEATER DUCT, DEFROSTER NOZZLE AND VENTILATION DUCT
6
Removal steps
1. Instrument panel assembly
2. Center ventilation upper duct
3. Side ventilation duct
4. Center ventilation lower duct
5. Driver lap duct
6. Center console
7. Rear heater duct
8. Cross beam assembly Installation steps
9. Side defroster nozzle
10. Center defroster nozzle
To install, follow the removal
steps in the reverse order.
Fig. 1A-24
B REMOVAL
Preparation:
• Disconnect battery ground cable.
1. Instrument panel assembly
• Refer to Section 10 "BODY" for INSTRUMENT
PANEL ASSEMBLY removal procedure.
2. Center ventilation upper duct
3. Side ventilation duct
4. Center ventilation lower duct
5. Driver lap duct
6. Center console
7. Rear heater duct
• Refer to Section 10 "BODY" for CONSOLES
removal
procedure.
8. Cross beam assembly
• Refer to Section 10 "BODY" for CROSS BEAM
ASSEMBLY
removal procedure.
9. Side defroster nozzle
10. Center defroster nozzle
~!!) INSTALLATION
To intall, follow the removal steps in the reverse
order,
noting the following point:
1. Connect each duct and nozzle securely leaving
no clearance between them and making no
improper matching.
1A-20 HEATING AND VENTILATION
CENTER AND/OR DRIVER SIDE VENT
5
6
' -~
'
"
Removal steps
1. Front console assembly
2. Lower cluster assembly
3. Instrument panel driver lower cover assembly
4. Meter cluster assembly
5. Center vent
6. Side vent
4
Installation steps
To install, follow the removal
steps in the reverse order.
2
1
Fig. 1A-25
B REMOVAL
Preparation:
• Disconnect the battery ground cable.
1. Front console assembly
2. Lower cluster assembly
3. Instrument panel driver lower cover assembly
4. Meter cluster assembly
•
Refer to Section 10 "BODY" for INSTRU
MENT PANEL ASSEMBLY removal pro-
cedure.
5. Center vent
• Remove screws and the center vent from
center cluster while prying up the center vent
catch portions.
6. Side vent
• Remove screws and the side vent from center
cluster while prying up the side vent catch
portions.
E] INSTALLATION
To intall, follow the removal steps in the reverse
order.
..
HEATING AND VENTILATION 1A-21
CONTROL LEVER ASSEMBLY AND/OR CONTROL CABLES
2
3
~ 1
Removal steps
1. Front console assembly
2. Lower cluster assembly
3. Instrument panel driver lower cover assembly
4. Meter cluster assembly
5. Attaching screws
6. Fan switch and air conditioning switch connector
7. Control lever assembly
8. Clip
9.
Control cable
6
' '
Installation steps
To install, follow the removal
steps in
the reverse order.
Fig. 1A-26
B REMOVAL
Preparation:
• Disconnect the battery ground cable.
1.
Front console assembly
2. Lower cluster assembly
3. Instrument panel driver lower cover assembly
4. Meter cluster assembly
• Refer to Section 10 "BODY" for INSTRU
MENT PANEL ASSEMBLY removal pro
cedure.
5. Attaching screws (Fig 1A-27)
• Remove the 4 attaching screws.
6. Fan switch and air conditioning switch
connector
• Pull the control lever assembly out and dis-
connect the connectors (Fig 1A-28).
7. Control lever assembly
8. Clip (Fig 1A-29)
9.
Control cable
Fig. 1A-27
To Blower
assembly
6
1A-22 HEATING AND VENTILATION
Fig. 1A-28
Fig. 1A-29
AIR SELECTOR CABLE
(DEF)
Air selector knob
I••! INSTALLATION
To install, follow the removal steps in the reverse
order,
noting the following points:
1. Adjust the control cables (Fig. 1A-30)
[E • Air source control cable
-(1) Slide the control lever to the left ("CIRC"
position).
(2)
Connect the control cable at the "CIRC"
position of the link unit of blower
assembly and fix it with the clip.
•
Temperature control cable
(1) Turn the control knob to the left ("MAX
COLD" position).
(2)
Connect the control cable at the "COLD"
position of the temperature control link of
the heater unit and fix it with the clip.
•
Air select control cable
(1) Turn the control knob to the right
("DEFROST" position).
(2) Connect the control cable at the
"DEFROST" position of the mode control
link of the heater unit and fix it with the
clip.
2. Check control cable operation.
TEMPERATURE CONTROL CABLE AIR SOURCE SELECT CABLE
(MAX COLD)
Temperature control knob
Fig. 1A-30
Air source select lever
CIRC FRESH
Clip
•
CONTROL PANEL ILLUMINATION BULB
1••1 REMOVAL
Preparation:
Fig. 1A-31
Disconnect
the battery ground cable
1. Control lever assembly
• Refer to "CONTROL LEVER ASSEMBLY"
removal
procedure in this section.
2. Bulb socket
• Pull out the socket from the panel by turning
it counterclockwise.
3.
Illumination bulb
• Pull the illumination bulb from socket.
I••IINSTALLATION
To install, follow the removal steps in the reverse
order.
HEATING AND VENTILATION 1A-23
RESISTOR
1. Glove box
1••1 REMOVAL
Preparation:
3. Duct (Heater only)
Plate
2. Resistor connector
Fig. 1A-32
Disconnect the battery
ground cable
1. Glove box
2. Resistor connector
3. Duct (Heater only)
4. Resistor
I••IINSTALLATION
To install, follow the removal steps in the reverse
order.
AIR CONDITIONING 1 B - 1
SECTION 18
AIR CONDITIONING
CONTENTS
General Description . . . . . . . . . . . . . . . . . . . . 1 B-2
Air Conditioning Refrigerant Cycle
Construction . . . . . . . . . . . . . . . . . . . . . . 1 8-2
Compressor . . . . . . . . . . . . . . . . . . . . . . . . . 1
B-3
Magnetic Clutch . . . . . . . . . . . . . . . . . . . . . 1 8-3
Condenser . . . . . . . . . . . . . . . . . . . . . . . . . . 1
8-4
Receiver
/Drier . . . . . . . . . . . . . . . . . . . . . . . 1 B-4
Pressure
Switch . . . . . . . . . . . . . . . . . . . . . 1 8-4
Expansion
Valve . .
. . . . . . . . . . . . . . . . . . .
18-5
Evaporator . . . . . . . . . . . . . . . . . . . . . . . . . . 1 B-5
Electronic Thermostat . . . . . . . . . . . . . . . . 1 B-6
Refrigerant Line . . . . . . . . . . . . . . . . . . . . . . 1
B-6
Air Conditioning Parts . . . . . . . . . . . . . . . . 1 B-7
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . 18-8
Diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
B-9
Air Conditioning Cycle Diagnosis . . . . . . . 18-9
Checking Refrigerant
System with
Manifold Gauge ................... 18-10
Magnetic Clutch Diagnosis ............ 18-14
Individual Inspection ................. 18-18
On-Vehicle Service ..................... 18-19
General Repair Procedure ............. 18-19
Compressor . . . . . . . . . . . . . . . . . . . . . . . . . 18-24
New Compressor Installation . . . . . . . . . . 1 B-25
Condenser Assembly . . . . . . . . . . . . . . . . . 1 B-26
Receiver/Drier ....................... 18-27
Pressure Switch ..................... 18-27
Evaporator Assembly . . . . . . . . . . . . . . . . . 1 B-28
Electronic Thermostat, Evaporator
Core
and/or Expansion Valve ........ 18-29
Air Conditioning Switch and
Illumination Bulb . . . . . . . . . . . . . . . . . . 1 B-31
Refrigerant Line ...................... 18-32
Main Data and Specifications ............ 18-33
General Specifications . . . . . . . . . . . . . . . . 18-33
Torque Specifications ................. 18-34
1 B - 2 AIR CONDITIONING
GENERAL DESCRIPTION
AIR CONDITIONING REFRIGERANT CYCLE CONSTRUCTION
Side vent Center vent Side vent Side defrost Defrost Side defrost
Lap vent
-
-
:-·-·.·.·.·.·.·.·.·.·.·.·.·.·.\
·.·.·.·.·.·.·.·.·.·.·.·.·.·.·\
.·.·.·.·.·.··:·
2
.,.,.,.,.,.,.,.,.,.,.,. High pressure, high temperature gas
................... High pressure, high temperature ,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,., mixture of gas and liquid
Cooling air
00
1/?//TJZZ High pressure, medium temperature liquid
----Low pressure, low temperature
6
t
mixture of liquid and gas ..,.,§.."\'"":\"':'0:"'":>'""\\":>"'~ Low pressure, low temperature gas __ _j
1. Compressor 10. Blower motor 2. Magnetic clutch 11. Heater unit 3. Receiver/Drier 12. Heater core 4. Dual pressure switch 13. Temp. control door (Air mix door)
5. Condenser
14. Mode (DEF) control door 6. Evaporator assembly 15. Mode (VENT) control door 7.
Expansion valve 16. Mode (HEAT) control door 8. Temperature sensor
17. Electronic thermostat
9. Evaporator core
Fig. 18-1
Outside air