Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Quest 1999-2002 Approved Nissan Quest 2000 HA
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HEATER &
AIR CONDITIONER GI
SECTION HA MA
EM
LC
EC
CONTENTS FE
AUTO Front Blower Motor ....................................................72
AT
Memory Function .......................................................84
PRECAUTIONS ...............................................................3
Rear Blower Motor.....................................................85 AX
Supplemental Restraint System (SRS) "AIR
Magnet Clutch............................................................98
BAG" ............................................................................3
Insufficient Cooling ..................................................105
A/C Identification Label................................................3
Insufficient Heating ..................................................110 SU
Precautions for Working with HFC-134a (R-134a) .....4
Noise........................................................................112
Contaminated Refrigerant............................................4
Ambient Temperature Sensor..................................113
Precautions for Leak Detection Dye............................4
In-vehicle Temperature Sensor................................116
BR
General Refrigerant Precautions .................................5
Sunload Sensor .......................................................119
Precautions for Refrigerant Connection ......................5
SERVICE PROCEDURE..............................................122 ST
Precautions for Servicing Compressor........................9
HFC-134a (R-134a) Service Procedure ..................122
Precautions for Service Equipment .............................9
Maintenance of Lubricant Quantity in
Wiring Diagrams and Trouble Diagnosis...................12
PREPARATION .............................................................13
Compressor .............................................................124 RS
Compressor .............................................................127
HFC-134a (R-134a) Service Tools and
Compressor Clutch ..................................................128
Equipment..................................................................13 BT
Clutch Air Gap Adjustment ......................................130
Commercial Service Tools .........................................16
Magnet Clutch..........................................................130
DESCRIPTION ...............................................................18
Shaft Seal ................................................................131
Refrigeration System .................................................18
Refrigerant Lines .....................................................134
Component Layout ....................................................20
Checking Refrigerant Leaks ....................................135
Introduction ................................................................22
Features.....................................................................22
Electronic Refrigerant Leak Detector ......................135 SC
Fluorescent Dye Leak Detector...............................138
Overview of Control System......................................23
Belt...........................................................................140
Control Operation ......................................................24 EL
Cabin Air Filter .........................................................140
Discharge Air Flow.....................................................26
Fast Idle Control Device (FICD) ..............................142
TROUBLE DIAGNOSES................................................27
Heater Core .............................................................142
Component Location..................................................27
Front Evaporator Core.............................................144
IDX
Circuit Diagram -- Auto Air Conditioner....................30
Rear Evaporator Core .............................................145
Wiring Diagram -- A/C, A -- .....................................31
Spring Lock Coupling ..............................................145
How to Perform Trouble Diagnoses for Quick
SERVICE DATA AND SPECIFICATIONS (SDS) .......148
and Accurate Repair ..................................................35
Auto..........................................................................148
Operational Check .....................................................36
Self-diagnosis ............................................................38
MANUAL
Malfunction Code/Symptom Chart.............................40
A/C System................................................................42 PRECAUTIONS ...........................................................149
Air Mix Door...............................................................46 Supplemental Restraint System (SRS) "AIR
Intake Door ................................................................54 BAG" ........................................................................149
Mode Door Motor.......................................................63 A/C Identification Label............................................149
CONTENTS (Cont'd)
Precautions for Working with HFC-134a (R-134a) .150 Front Blower Motor ..................................................197
Contaminated Refrigerant........................................150 Rear Blower Motor...................................................206
Precautions for Leak Detection Dye........................150 Magnet Clutch..........................................................217
General Refrigerant Precautions .............................151 Insufficient Cooling ..................................................224
Precautions for Refrigerant Connection ..................151 Insufficient Heating ..................................................229
Precautions for Servicing Compressor....................155 Noise........................................................................230
Precautions for Service Equipment .........................156 SERVICE PROCEDURE..............................................231
Wiring Diagrams and Trouble Diagnosis.................158 HFC-134a (R-134a) Service Procedure ..................231
PREPARATION ...........................................................159 Maintenance of Lubricant Quantity in
HFC-134a (R-134a) Service Tools and Compressor .............................................................233
Equipment................................................................159 Compressor .............................................................236
Commercial Service Tools .......................................162 Compressor Clutch ..................................................237
DESCRIPTION .............................................................164 Clutch Air Gap Adjustment ......................................239
Refrigeration System ...............................................164 Magnet Clutch..........................................................239
Component Layout ..................................................166 Shaft Seal ................................................................240
Control Operation ....................................................168 Refrigerant Lines .....................................................243
Discharge Air Flow...................................................169 Checking Refrigerant Leaks ....................................245
TROUBLE DIAGNOSES..............................................170 Electronic Refrigerant Leak Detector ......................245
Component Location................................................170 Fluorescent Dye Leak Detector...............................248
Circuit Diagram -- Manual Air Conditioner .............173 Belt...........................................................................250
Wiring Diagram -- A/C, M -- ..................................174 Cabin Air Filter .........................................................250
How to Perform Trouble Diagnoses for Quick Fast Idle Control Device (FICD) ..............................252
and Accurate Repair ................................................178 Heater Core .............................................................252
Operational Check ...................................................179 Front Evaporator Core.............................................254
Symptom Chart........................................................181 Rear Evaporator Core .............................................255
A/C System..............................................................183 Spring Lock Coupling ..............................................255
Air Mix Door.............................................................185 SERVICE DATA AND SPECIFICATIONS (SDS) .......258
Intake Door ..............................................................189 Manual .....................................................................258
Mode Door Motor.....................................................194
HA-2
PRECAUTIONS AUTO
Supplemental Restraint System (SRS) "AIR BAG"
Supplemental Restraint System (SRS) "AIR
BAG" NDHA0001
The Supplemental Restraint System "AIR BAG", used along with a seat belt, helps to reduce the risk or severity
GI
of injury to the driver and front passenger in a frontal collision. The Supplemental Restraint System consists
of air bag modules (located in the center of the steering wheel and on the instrument panel on the passen- MA
ger side), a diagnosis sensor unit, warning lamp, wiring harness and spiral cable. Information necessary to
service the system safely is included in the RS section of this Service Manual.
WARNING: EM
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