Index Manuals Nissan Pathfinder (2006 year) - Service and Repair Manual
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Content .. 329 330 331 332 ..
Nissan Pathfinder (2006 year). Manual - part 331
MTC-1
MANUAL AIR CONDITIONER
J AIR CONDITIONER
CONTENTS
C
D
E
F
G
H
I
K
L
M
SECTION
A
B
MTC
2006 Pathfinder
PRECAUTIONS .......................................................... 4
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT BELT PRE-TEN-SIONER” .................................................................. 4Precautions for Working with HFC-134a (R-134a)
..... 4
Contaminated Refrigerant ........................................ 4General Refrigerant Precautions .............................. 5Precautions for Leak Detection Dye ......................... 5A/C Identification Label ............................................ 5Precautions for Refrigerant Connection ................... 5
FEATURES OF NEW TYPE REFRIGERANT CONNECTION ...................................................... 6O-RING AND REFRIGERANT CONNECTION ..... 7
Precautions for Servicing Compressor ..................... 9Precautions for Service Equipment .......................... 9
RECOVERY/RECYCLING EQUIPMENT .............. 9ELECTRONIC LEAK DETECTOR ........................ 9VACUUM PUMP ................................................. 10MANIFOLD GAUGE SET .................................... 10SERVICE HOSES ............................................... 10SERVICE COUPLERS .........................................11REFRIGERANT WEIGHT SCALE .......................11CHARGING CYLINDER .......................................11
PREPARATION ......................................................... 12
Special Service Tools ............................................. 12HFC-134a (R-134a) Service Tools and Equipment
... 12
Commercial Service Tools ...................................... 15
REFRIGERATION SYSTEM ..................................... 16
Components ........................................................... 16
REFRIGERATION SYSTEM ............................... 16
Refrigerant Cycle ................................................... 17
REFRIGERANT FLOW ....................................... 17FREEZE PROTECTION ..................................... 17
Refrigerant System Protection ............................... 17
REFRIGERANT PRESSURE SENSOR ............. 17PRESSURE RELIEF VALVE ............................... 18
OIL ............................................................................ 19
Maintenance of Oil Quantity in Compressor .......... 19
OIL ...................................................................... 19CHECKING AND ADJUSTING ........................... 19
AIR CONDITIONER CONTROL ............................... 22
Description .............................................................. 22Operation ................................................................ 22
AIR MIX DOOR CONTROL ................................. 22BLOWER SPEED CONTROL ............................. 22INTAKE DOORS CONTROL ............................... 22MODE DOOR CONTROL ................................... 22DEFROSTER DOOR CONTROL ........................ 22MAGNET CLUTCH CONTROL ........................... 22
Description of Control System ................................ 24Control Operation ................................................... 25
TEMPERATURE CONTROL DIAL (TEMPERA-TURE CONTROL) ............................................... 25RECIRCULATION () SWITCH ............................. 25DEFROSTER () SWITCH .................................... 25REAR WINDOW DEFOGGER SWITCH ............. 25OFF SWITCH (BLOWER SPEED SET TO 0) ..... 25A/C SWITCH ....................................................... 25MODE DIAL ......................................................... 25FRONT BLOWER CONTROL DIAL .................... 25
Discharge Air Flow ................................................. 26
FRONT ................................................................ 26
System Description ................................................. 27
SWITCHES AND THEIR CONTROL FUNCTION ... 27
CAN Communication System Description .............. 28
TROUBLE DIAGNOSIS ............................................ 29
CONSULT-II Function (BCM) ................................. 29
CONSULT-II BASIC OPERATION ....................... 29DATA MONITOR ................................................. 30
How to Perform Trouble Diagnosis for Quick and Accurate Repair ...................................................... 31
WORK FLOW ...................................................... 31SYMPTOM TABLE .............................................. 31
Component Parts and Harness Connector Location
... 32
ENGINE COMPARTMENT .................................. 32PASSENGER COMPARTMENT ......................... 33
Schematic ............................................................... 34Wiring Diagram — A/C,M — ................................... 35Front Air Control Terminals and Reference Value ... 39
PIN CONNECTOR TERMINAL LAYOUT ............ 39