Nissan 350Z Workshop Maunual 2007 (4) PDF

ATC-1
AUTOMATIC AIR CONDITIONER
J AIR CONDITIONER
CONTENTS
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D
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L
M
SECTION ATC
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B
ATC
Revision: 2006 November 2007 350Z
AUTOMATIC AIR CONDITIONER
PRECAUTIONS .......................................................... 4
Precautions for Supplemental Restraint System
(SRS) ?AIR BAG? and ?SEAT BELT PRE-TEN-
SIONER? .................................................................. 4
Precautions for Battery Service ................................ 4
Precautions for Procedures without Cowl Top Cover ..... 4
Precautions for Working with HFC-134a (R-134a) ..... 5
CONTAMINATED REFRIGERANT ....................... 5
General Refrigerant Precautions .............................. 6
Precautions for Refrigerant Connection ................... 7
ABOUT ONE-TOUCH JOINT ................................ 7
FEATURES OF NEW TYPE REFRIGERANT
CONNECTION ...................................................... 9
O-RING AND REFRIGERANT CONNECTION ... 10
Precautions for Servicing Compressor ................... 12
Precautions for Service Equipment ........................ 12
RECOVERY/RECYCLING EQUIPMENT ............ 12
ELECTRICAL LEAK DETECTOR ....................... 12
VACUUM PUMP ................................................. 12
MANIFOLD GAUGE SET .................................... 12
SERVICE HOSES ............................................... 13
SERVICE COUPLERS ........................................ 13
REFRIGERANT WEIGHT SCALE ...................... 13
CHARGING CYLINDER ...................................... 13
Precautions for Leak Detection Dye ....................... 14
IDENTIFICATION ................................................ 14
IDENTIFICATION LABEL FOR VEHICLE ........... 14
PREPARATION ......................................................... 15
Special Service Tools ............................................. 15
HFC-134a (R-134a) Service Tools and Equipment ... 16
Commercial Service Tools ...................................... 18
REFRIGERATION SYSTEM ..................................... 19
Refrigerant Cycle ................................................... 19
REFRIGERANT FLOW ....................................... 19
FREEZE PROTECTION ..................................... 19
Refrigerant System Protection ............................... 19
REFRIGERANT PRESSURE SENSOR ............. 19
PRESSURE RELIEF VALVE ............................... 19
Component Layout ................................................. 20
LUBRICANT ..............................................................21
Maintenance of Lubricant Quantity in Compressor ...21
LUBRICANT ........................................................21
LUBRICANT RETURN OPERATION ..................21
LUBRICANT ADJUSTING PROCEDURE FOR
COMPONENTS REPLACEMENT EXCEPT
COMPRESSOR ..................................................22
LUBRICANT ADJUSTING PROCEDURE FOR
COMPRESSOR REPLACEMENT .......................23
AIR CONDITIONER CONTROL ...............................24
Description of Air Conditioner LAN Control System ...24
System Construction ..............................................24
OPERATION ........................................................25
TRANSMISSION DATA AND TRANSMISSION
ORDER ...............................................................25
AIR MIX DOOR CONTROL (AUTOMATIC TEM-
PERATURE CONTROL) .....................................26
FAN SPEED CONTROL ......................................26
INTAKE DOOR CONTROL .................................26
MODE DOOR CONTROL ...................................26
MAGNET CLUTCH CONTROL ...........................27
SELF-DIAGNOSIS SYSTEM ..............................27
Description of Control System ................................28
Control Operation ...................................................29
MODE CONTROL DIAL ......................................29
TEMPERATURE CONTROL DIAL (POTENTIO
TEMPERATURE CONTROL) ..............................29
FAN CONTROL DIAL ..........................................29
REAR WINDOW DEFOGGER SWITCH .............29
INTAKE SWITCH ................................................. 29
A/C SWITCH .......................................................29
Discharge Air Flow .................................................30
System Description ................................................. 31
SWITCHES AND THEIR CONTROL FUNCTION ...31
CAN Communication System Description ..............32
TROUBLE DIAGNOSIS ............................................33
CONSULT-III Function (BCM) ................................33
DATA MONITOR .................................................33
How to Perform Trouble Diagnosis for Quick and
Accurate Repair ...................................................... 34

Nissan 350Z Workshop Maunual 2007 (4) Summary of Content

ATC-1AUTOMATIC AIR CONDITIONERJ AIR CONDITIONERCONTENTSCDEFGHIKLMSECTION ATCABATCRevision: 2006 November 2007 350ZAUTOMATIC AIR CONDITIONERPRECAUTIONS .......................................................... 4Precautions for Supplemental Restraint System (SRS) AIR BAG and SEAT BELT PRE-TEN-SIONER .................................................................. 4Precautions for Battery Service ................................ 4Precautions for Procedures without Cowl Top Cover ..... 4Precautions for Working with HFC-134a (R-134a) ..... 5CONTAMINATED REFRIGERANT ....................... 5General Refrigerant Precautions .............................. 6Precautions for Refrigerant Connection ................... 7ABOUT ONE-TOUCH JOINT ................................ 7FEATURES OF NEW TYPE REFRIGERANT CONNECTION ...................................................... 9O-RING AND REFRIGERANT CONNECTION ... 10Precautions for Servicing Compressor ................... 12Precautions for Service Equipment ........................ 12RECOVERY/RECYCLING EQUIPMENT ............ 12ELECTRICAL LEAK DETECTOR ....................... 12VACUUM PUMP ................................................. 12MANIFOLD GAUGE SET .................................... 12SERVICE HOSES ............................................... 13SERVICE COUPLERS ........................................ 13REFRIGERANT WEIGHT SCALE ...................... 13CHARGING CYLINDER ...................................... 13Precautions for Leak Detection Dye ....................... 14IDENTIFICATION ................................................ 14IDENTIFICATION LABEL FOR VEHICLE ........... 14PREPARATION ......................................................... 15Special Service Tools ............................................. 15HFC-134a (R-134a) Service Tools and Equipment ... 16Commercial Service Tools ...................................... 18REFRIGERATION SYSTEM ..................................... 19Refrigerant Cycle ................................................... 19REFRIGERANT FLOW ....................................... 19FREEZE PROTECTION ..................................... 19Refrigerant System Protection ............................... 19REFRIGERANT PRESSURE SENSOR ............. 19PRESSURE RELIEF VALVE ............................... 19Component Layout ................................................. 20LUBRICANT ..............................................................21Maintenance of Lubricant Quantity in Compressor ...21LUBRICANT ........................................................21LUBRICANT RETURN OPERATION ..................21LUBRICANT ADJUSTING PROCEDURE FOR COMPONENTS REPLACEMENT EXCEPT COMPRESSOR ..................................................22LUBRICANT ADJUSTING PROCEDURE FOR COMPRESSOR REPLACEMENT .......................23AIR CONDITIONER CONTROL ...............................24Description of Air Conditioner LAN Control System ...24System Construction ..............................................24OPERATION ........................................................25TRANSMISSION DATA AND TRANSMISSION ORDER ...............................................................25AIR MIX DOOR CONTROL (AUTOMATIC TEM-PERATURE CONTROL) .....................................26FAN SPEED CONTROL ......................................26INTAKE DOOR CONTROL .................................26MODE DOOR CONTROL ...................................26MAGNET CLUTCH CONTROL ...........................27SELF-DIAGNOSIS SYSTEM ..............................27Description of Control System ................................28Control Operation ...................................................29MODE CONTROL DIAL ......................................29TEMPERATURE CONTROL DIAL (POTENTIO TEMPERATURE CONTROL) ..............................29FAN CONTROL DIAL ..........................................29REAR WINDOW DEFOGGER SWITCH .............29INTAKE SWITCH ................................................. 29A/C SWITCH .......................................................29Discharge Air Flow .................................................30System Description ................................................. 31SWITCHES AND THEIR CONTROL FUNCTION ...31CAN Communication System Description ..............32TROUBLE DIAGNOSIS ............................................33CONSULT-III Function (BCM) ................................33DATA MONITOR .................................................33How to Perform Trouble Diagnosis for Quick and Accurate Repair ...................................................... 34