Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Quest 1999-2002 Approved Nissan Quest 2001 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
Cabin Air Filter .........................................................139
Control Operation ......................................................24 EL
Heater Core .............................................................141
Discharge Air Flow.....................................................26
Front Evaporator Core.............................................143
TROUBLE DIAGNOSES................................................27
Rear Evaporator Core .............................................144
Component Location..................................................27
Spring Lock Coupling ..............................................144
IDX
Circuit Diagram - Auto Air Conditioner ......................30
Fast Idle Control Device (FICD) ..............................146
Wiring Diagram - A/C, A - ..........................................31
Belt...........................................................................146
How to Perform Trouble Diagnoses for Quick
SERVICE DATA AND SPECIFICATIONS (SDS) .......147
and Accurate Repair ..................................................35
Auto..........................................................................147
Operational Check .....................................................36
Self-diagnosis ............................................................38
MANUAL
Malfunction Code/Symptom Chart.............................40
A/C System................................................................42 PRECAUTIONS ...........................................................148
Air Mix Door...............................................................46 Supplemental Restraint System (SRS) AIR
Intake Door ................................................................54 BAG and SEAT BELT PRE-TENSIONER...........148
Mode Door Motor.......................................................63 Precautions for Working with HFC-134a (R-134a) .149
CONTENTS (Cont'd)
Contaminated Refrigerant........................................149 Front Blower Motor ..................................................196
General Refrigerant Precautions .............................149 Rear Blower Motor...................................................205
Precautions for Leak Detection Dye........................150 Magnet Clutch..........................................................216
A/C Identification Label............................................150 Insufficient Cooling ..................................................223
Precautions for Refrigerant Connection ..................150 Insufficient Heating ..................................................228
Precautions for Servicing Compressor....................154 Noise........................................................................230
Precautions for Service Equipment .........................155 SERVICE PROCEDURE..............................................231
Wiring Diagrams and Trouble Diagnosis.................157 HFC-134a (R-134a) Service Procedure ..................231
PREPARATION ...........................................................158 Maintenance of Lubricant Quantity in
HFC-134a (R-134a) Service Tools and Compressor .............................................................233
Equipment................................................................158 Compressor .............................................................236
Commercial Service Tools .......................................161 Compressor Clutch ..................................................237
DESCRIPTION .............................................................163 Clutch Air Gap Adjustment ......................................239
Refrigeration System ...............................................163 Magnet Clutch..........................................................239
Component Layout ..................................................165 Shaft Seal ................................................................240
Control Operation ....................................................167 Refrigerant Lines .....................................................243
Discharge Air Flow...................................................168 Checking Refrigerant Leaks ....................................245
TROUBLE DIAGNOSES..............................................169 Electronic Refrigerant Leak Detector ......................245
Component Location................................................169 Fluorescent Dye Leak Detector...............................248
Circuit Diagram - Manual Air Conditioner................172 Cabin Air Filter .........................................................249
Wiring Diagram - A/C, M - .......................................173 Heater Core .............................................................251
How to Perform Trouble Diagnoses for Quick Front Evaporator Core.............................................253
and Accurate Repair ................................................177 Rear Evaporator Core .............................................254
Operational Check ...................................................178 Spring Lock Coupling ..............................................254
Symptom Chart........................................................180 Fast Idle Control Device (FICD) ..............................256
A/C System..............................................................182 Belt...........................................................................256
Air Mix Door.............................................................184 SERVICE DATA AND SPECIFICATIONS (SDS) .......257
Intake Door ..............................................................188 Manual .....................................................................257
Mode Door Motor.....................................................193
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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