Nissan Sentra (2011) Bruksanvisning

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MTC-1

AIR CONDITIONER

C

D

E

F

G

H

I

K

L

M

SECTION MTC A

B

MTC

N

O

P

CONTENTS

MANUAL AIR CONDITIONER

SERVICE INFORMATION ............................3

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

Precaution for Supplemental Restraint System

(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-

SIONER" ...................................................................

3

Precaution Necessary for Steering Wheel Rota-

tion After Battery Disconnect .....................................

3

Precaution For Work .................................................4

Precaution for Working with HFC-134a (R-134a) ......4

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

General Refrigerant Precaution ................................5

Precaution for Leak Detection Dye ...........................5

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

Precaution for Refrigerant Connection ......................5

Precaution for Service of Compressor ....................10

Precaution for Service Equipment ...........................10

PREPARATION ..................................................13

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

Commercial Service Tool ........................................15

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

Refrigerant Cycle ....................................................17

Refrigerant System Protection ................................17

Component Part Location .......................................18

OIL ......................................................................19

Maintenance of Oil Quantity in Compressor ...........19

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

Overview Air Conditioner LAN Control System .......22

System Construction ...............................................22

Overview of Control system ....................................24

Control Operation ....................................................25

Discharge Air Flow ..................................................26

System Description .................................................26

TROUBLE DIAGNOSIS .....................................28

How to Perform Trouble Diagnosis for Quick and

Accurate Repair ......................................................28

Component Parts and Harness Connector Loca-

tion ...........................................................................

28

Schematic ................................................................32

Wiring Diagram - HEATER - ....................................33

Wiring Diagram - A/C,M - ........................................35

Front Air Control Terminal and Reference Value ....37

CONSULT-III Function (BCM) .................................39

CONSULT-III Function (IPDM E/R) .........................39

Operational Check ...................................................40

Power Supply and Ground Circuit for Front Air

Control .....................................................................

41

LAN System Circuit .................................................43

Mode Door Motor Circuit .........................................45

Air Mix Door Motor Circuit .......................................47

Intake Door Motor Circuit .........................................49

Blower Motor Circuit ................................................50

Magnet Clutch Circuit (If Equipped) .........................55

Insufficient Cooling ..................................................60

Insufficient Heating ..................................................67

Noise .......................................................................68

CONTROL UNIT ................................................70

Removal and Installation .........................................70

FRONT BLOWER MOTOR ...............................71

Removal and Installation .........................................71

IN-CABIN MICROFILTER .................................72

Removal and Installation .........................................72

HEATER & COOLING UNIT ASSEMBLY ........74

Removal and Installation .........................................74

HEATER CORE .................................................76

Removal and Installation .........................................76

INTAKE DOOR MOTOR ...................................77

Removal and Installation .........................................77

MODE DOOR MOTOR ......................................78

Removal and Installation .........................................78

Produktspecifikationer