Nissan Maxima Workshop Manual 2007 (3) PDF

ATC-1
AUTOMATIC AIR CONDITIONER
J AIR CONDITIONER
CONTENTS
C
D
E
F
G
H
I
K
L
M
SECTION
A
B
ATC
Revision: May 2006 2007 Maxima
PRECAUTIONS .......................................................... 4
Precautions for Supplemental Restraint System
(SRS) ?AIR BAG? and ?SEAT BELT PRE-TEN-
SIONER? .................................................................. 4
Precautions for Working with HFC-134a (R-134a) ..... 4
Contaminated Refrigerant ........................................ 4
General Refrigerant Precautions .............................. 5
Precautions for Leak Detection Dye ......................... 5
A/C Identification Label ............................................ 5
Precautions for Refrigerant Connection ................... 6
FEATURES OF NEW TYPE REFRIGERANT
CONNECTION ...................................................... 6
O-RING AND REFRIGERANT CONNECTION ..... 7
Precautions for Servicing Compressor ..................... 9
Precautions for Service Equipment .......................... 9
RECOVERY/RECYCLING EQUIPMENT .............. 9
ELECTRONIC LEAK DETECTOR ........................ 9
VACUUM PUMP ................................................. 10
MANIFOLD GAUGE SET .................................... 10
SERVICE HOSES ............................................... 10
SERVICE COUPLERS .........................................11
REFRIGERANT WEIGHT SCALE .......................11
CHARGING CYLINDER .......................................11
PREPARATION ......................................................... 12
Special Service Tools ............................................. 12
HFC-134a (R-134a) Service Tools and Equipment ... 12
Commercial Service Tools ...................................... 14
REFRIGERATION SYSTEM ..................................... 16
Refrigerant Cycle ................................................... 16
REFRIGERANT FLOW ....................................... 16
Refrigerant System Protection ............................... 16
REFRIGERANT PRESSURE SENSOR ............. 16
PRESSURE RELIEF VALVE .............................. 16
Component Layout ................................................. 17
OIL ............................................................................ 18
Maintenance of Oil Quantity in Compressor .......... 18
OIL ...................................................................... 18
CHECKING AND ADJUSTING ........................... 18
AIR CONDITIONER CONTROL ............................... 21
Description of Air Conditioner LAN Control System ... 21
System Construction ..............................................21
OPERATION ........................................................21
TRANSMISSION DATA AND TRANSMISSION
ORDER ...............................................................22
AIR MIX DOOR CONTROL (AUTOMATIC TEM-
PERATURE CONTROL) .....................................23
FAN SPEED CONTROL ......................................23
INTAKE DOOR CONTROL .................................23
OUTLET DOOR CONTROL ................................23
MAGNET CLUTCH CONTROL ...........................23
SELF-DIAGNOSTIC SYSTEM ............................23
Description of Control System ................................24
Control Operation ...................................................25
DISPLAY SCREEN ..............................................25
AUTO SWITCH ...................................................25
TEMPERATURE CONTROL DIAL (DRIVER
SIDE) ...................................................................25
TEMPERATURE CONTROL DIAL (PASSEN-
GER SIDE) ..........................................................25
RECIRCULATION () SWITCH .............................25
DEFROSTER (DEF) SWITCH .............................25
REAR WINDOW DEFOGGER SWITCH .............25
OFF SWITCH ......................................................25
A/C SWITCH .......................................................25
MODE SWITCH ..................................................25
BLOWER CONTROL SWITCH ...........................26
DUAL SWITCH (WITH LEFT AND RIGHT VEN-
TILATION TEMPERATURE SEPARATE CON-
TROL SYSTEM) ..................................................26
Fail-safe Function ...................................................26
Discharge Air Flow .................................................27
............................................................................27
System Description ................................................. 28
SWITCHES AND THEIR CONTROL FUNCTION ...28
CAN Communication System Description ..............29
TROUBLE DIAGNOSIS ............................................30
CONSULT-II Function (BCM) .................................30
CONSULT-II START PROCEDURE ....................30
DATA MONITOR .................................................30
How to Perform Trouble Diagnosis for Quick and