Nissan Frontier (2003) Handleiding

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MTC-1

MANUAL AIR CONDITIONER

J AIR CONDITIONER

CONTENTS

C

D

E

F

G

H

I

K

L

M

SECTION

A

B

MTC

PRECAUTIONS .......................................................... 3

Precautions for Supplemental Restraint System

(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-

SIONER” .................................................................. 3

Precautions for Working with HFC-134a (R-134a) ..... 3

Contaminated Refrigerant ........................................ 4

General Refrigerant Precautions .............................. 4

Precautions for Leak Detection Dye ......................... 4

A/C Identification Label ............................................ 5

Precautions for Refrigerant Connection ................... 5

FEATURES OF NEW TYPE REFRIGERANT

CONNECTION ...................................................... 5

O-RING AND REFRIGERANT CONNECTION ..... 6

Precautions for Servicing Compressor ..................... 8

Precautions for Service Equipment .......................... 8

RECOVERY/RECYCLING EQUIPMENT .............. 8

ELECTRONIC LEAK DETECTOR ........................ 8

VACUUM PUMP ................................................... 9

MANIFOLD GAUGE SET ...................................... 9

SERVICE HOSES ................................................. 9

SERVICE COUPLERS ........................................ 10

REFRIGERANT WEIGHT SCALE ...................... 10

CALIBRATING ACR4 WEIGHT SCALE .............. 10

CHARGING CYLINDER ...................................... 10

THERMOMETER AND HYGROMETER ..............11

Wiring Diagrams and Trouble Diagnosis .................11

PREPARATION ......................................................... 12

Special Service Tools ............................................. 12

HFC-134a (R-134a) Service Tools and Equipment ... 13

Commercial Service Tool ....................................... 16

REFRIGERATION SYSTEM ..................................... 17

Refrigeration Cycle ................................................. 17

REFRIGERANT FLOW ....................................... 17

FREEZE PROTECTION ..................................... 17

REFRIGERANT SYSTEM PROTECTION .......... 17

Component Layout ................................................. 18

LUBRICANT ............................................................. 19

Maintenance of Lubricant Quantity in Compressor ... 19

LUBRICANT ........................................................ 19

CHECKING AND ADJUSTING ........................... 19

AIR CONDITIONER CONTROL ...............................22

Control Operation ...................................................22

FAN CONTROL KNOB ........................................22

MODE CONTROL KNOB ....................................22

TEMPERATURE CONTROL KNOB ....................22

RECIRCULATION (REC) SWITCH .....................22

AIR CONDITIONER SWITCH .............................22

REAR WINDOW DEFOGGER SWITCH (IF

EQUIPPED) .........................................................22

Discharge Air Flow .................................................23

TROUBLE DIAGNOSIS ............................................24

How to Perform Trouble Diagnoses for Quick and

Accurate Repair ......................................................24

WORK FLOW ......................................................24

SYMPTOM TABLE ..............................................24

Component Location ..............................................25

ENGINE COMPARTMENT ..................................25

PASSENGER COMPARTMENT .........................28

Wiring Diagram — Heater — ..................................29

Wiring Diagram — A/C — .......................................30

Operational Check ..................................................32

CONDITIONS: .....................................................32

PROCEDURE: ....................................................32

Mode Door ..............................................................34

TROUBLE DIAGNOSIS PROCEDURE FOR

MODE DOOR ......................................................34

MODE DOOR CONTROL LINKAGE ADJUST-

MENT ..................................................................35

Intake Door .............................................................36

TROUBLE DIAGNOSIS PROCEDURE FOR

INTAKE DOOR ....................................................36

INTAKE DOOR CIRCUIT ....................................37

CONTROL LINKAGE ADJUSTMENT .................38

Blower Motor ..........................................................39

TROUBLE DIAGNOSIS PROCEDURE FOR

BLOWER MOTOR ..............................................39

BLOWER MOTOR CIRCUIT ...............................39

ELECTRICAL COMPONENTS INSPECTION .....43

Magnet Clutch ........................................................44

TROUBLE DIAGNOSIS PROCEDURE FOR

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