Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Quest 1999-2002 Approved Nissan Quest 2002 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 and SEAT BELT PRE-TENSIONER...............3
Insufficient Cooling ..................................................105
Precautions for Working with HFC-134a (R-134a) .....4
Insufficient Heating ..................................................110 SU
Contaminated Refrigerant............................................4
Noise........................................................................112
General Refrigerant Precautions .................................4
Ambient Temperature Sensor..................................113
Precautions for Leak Detection Dye............................5
In-vehicle Temperature Sensor................................116
BR
A/C Identification Label................................................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
Heater Core .............................................................139
Control Operation ......................................................24 EL
Front Evaporator Core.............................................141
Discharge Air Flow.....................................................26
Rear Evaporator Core .............................................142
TROUBLE DIAGNOSES................................................27
Spring Lock Coupling ..............................................142
Component Location..................................................27
Fast Idle Control Device (FICD) ..............................144
IDX
Circuit Diagram - Auto Air Conditioner ......................30
Belt...........................................................................144
Wiring Diagram - A/C, A - ..........................................31
SERVICE DATA AND SPECIFICATIONS (SDS) .......145
How to Perform Trouble Diagnoses for Quick
Auto..........................................................................145
and Accurate Repair ..................................................35
Operational Check .....................................................36
MANUAL
Self-diagnosis ............................................................38
Malfunction Code/Symptom Chart.............................40 PRECAUTIONS ...........................................................146
A/C System................................................................42 Supplemental Restraint System (SRS) AIR
Air Mix Door...............................................................46 BAG and SEAT BELT PRE-TENSIONER...........146
Intake Door ................................................................54 Precautions for Working with HFC-134a (R-134a) .147
Mode Door Motor.......................................................63 Contaminated Refrigerant........................................147
CONTENTS (Cont'd)
General Refrigerant Precautions .............................147 Front Blower Motor ..................................................194
Precautions for Leak Detection Dye........................148 Rear Blower Motor...................................................203
A/C Identification Label............................................148 Magnet Clutch..........................................................214
Precautions for Refrigerant Connection ..................148 Insufficient Cooling ..................................................221
Precautions for Servicing Compressor....................152 Insufficient Heating ..................................................226
Precautions for Service Equipment .........................153 Noise........................................................................228
Wiring Diagrams and Trouble Diagnosis.................155 SERVICE PROCEDURE..............................................229
PREPARATION ...........................................................156 HFC-134a (R-134a) Service Procedure ..................229
HFC-134a (R-134a) Service Tools and Maintenance of Lubricant Quantity in
Equipment................................................................156 Compressor .............................................................231
Commercial Service Tools .......................................159 Compressor .............................................................234
DESCRIPTION .............................................................161 Compressor Clutch ..................................................235
Refrigeration System ...............................................161 Clutch Air Gap Adjustment ......................................237
Component Layout ..................................................163 Magnet Clutch..........................................................237
Control Operation ....................................................165 Shaft Seal ................................................................238
Discharge Air Flow...................................................166 Refrigerant Lines .....................................................241
TROUBLE DIAGNOSES..............................................167 Checking Refrigerant Leaks ....................................243
Component Location................................................167 Electronic Refrigerant Leak Detector ......................243
Circuit Diagram - Manual Air Conditioner................170 Fluorescent Dye Leak Detector...............................246
Wiring Diagram - A/C, M - .......................................171 Heater Core .............................................................247
How to Perform Trouble Diagnoses for Quick Front Evaporator Core.............................................249
and Accurate Repair ................................................175 Rear Evaporator Core .............................................250
Operational Check ...................................................176 Spring Lock Coupling ..............................................250
Symptom Chart........................................................178 Fast Idle Control Device (FICD) ..............................252
A/C System..............................................................180 Belt...........................................................................252
Air Mix Door.............................................................182 SERVICE DATA AND SPECIFICATIONS (SDS) .......253
Intake Door ..............................................................186 Manual .....................................................................253
Mode Door Motor.....................................................191
HA-2
PRECAUTIONS AUTO
Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
Supplemental Restraint System (SRS) "AIR
BAG" and "SEAT BELT PRE-TENSIONER"
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER" used along with
NDHA0001
GI
a seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of
collision. The Supplemental Restraint System consists of driver air bag module (located in the center of the MA
steering wheel), front passenger air bag module (located on the instrument panel on passenger side), seat
belt pre-tensioners, 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. EM
WARNING:
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