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VENTILATION, HEATER & AIR CONDITIONER

HEATER & AIR CONDITIONING SYSTEM
SECTION HA B

E
CONTENTS
PRECAUTION .............................................. 3
. Checking of Refrigerant Leaks ...............................29 . F
Checking System for Leaks Using the Fluorescent
PRECAUTIONS .................................................. 3
. Dye Leak Detector ..................................................29
.
Precaution for Supplemental Restraint System Dye Injection ...........................................................29
. G
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .................................................................. 3
. ELECTRICAL LEAK DETECTOR .................... 31
Precaution for Working with HFC-134a (R-134a)...... 3 Checking of Refrigerant Leaks ...............................31
.
Electronic Refrigerant Leak Detector ......................31
. H
Contaminated Refrigerant ........................................ 3 .
General Refrigerant Precaution ............................... 4 .
Precaution for Leak Detection Dye .......................... 4 . ON-VEHICLE REPAIR ................................ 34
.
A/C Identification Label ............................................ 4
. HA
REFRIGERATION SYSTEM ............................. 34
Precaution for Refrigerant Connection ..................... 4 . Component .............................................................34
.
Precaution for Service of Compressor ................... 10 . HFC-134a (R-134a) Service Procedure .................37 .
Precaution for Service Equipment .......................... 10 . J
COMPRESSOR ................................................. 40
PREPARATION .......................................... 13
. Removal and Installation for Compressor ..............40
.
PREPARATION .................................................13
. Removal and Installation for Compressor Clutch ....41 K
Special Service Tool .............................................. 13
. HIGH-PRESSURE FLEXIBLE HOSE ............... 46
HFC-134a (R-134a) Service Tool and Equipment 13 .... Removal and Installation for Front High-pressure
Commercial Service Tool ....................................... 15
. Flexible A/C Hose ...................................................46
. L
FUNCTION DIAGNOSIS ............................. 17
. HIGH-PRESSURE PIPE .................................... 47
Removal and Installation for Front High-pressure
REFRIGERATION SYSTEM .............................17
. M
A/C Pipe .................................................................47
.
Component ............................................................. 17
.
Removal and Installation for Rear High- and Low-
Refrigerant Cycle ................................................... 21
.
Pressure A/C Pipes ................................................47 .
Refrigerant System Protection ............................... 21 . N
Removal and Installation for Underfloor Rear
OIL .....................................................................23
. High- and Low-Pressure A/C and Heater Core
Maintenance of Oil Quantity in Compressor .......... 23
. Pipes .......................................................................47
.
O
ON-VEHICLE MAINTENANCE ................... 25
. LOW-PRESSURE FLEXIBLE HOSE ................ 50
Removal and Installation for Front Low-Pressure
REFRIGERATION SYSTEM .............................25
. Flexible A/C Hose ...................................................50
.
HFC-134a (R-134a) Service Procedure ................. 25
. P
LOW-PRESSURE PIPE .................................... 51
OIL .....................................................................27
. Removal and Installation for Front Low-Pressure
Maintenance of Oil Quantity in Compressor .......... 27
. A/C Pipe .................................................................51
.
Removal and Installation for Rear High- and Low-
FLUORESCENT LEAK DETECTOR ................29
. Pressure A/C Pipes ................................................51 .

HA-1
Removal and Installation for Underfloor Rear AMBIENT SENSOR .......................................... 57
.
High- and Low-Pressure A/C and Heater Core Removal and Installation ........................................ 57
.
Pipes ...................................................................... 51
.
HEATER PUMP ................................................ 58
.
CONDENSER ................................................... 54
. Removal and Installation ........................................ 58
.
Removal and Installation for Condenser ............... 54
.
SERVICE DATA AND SPECIFICATIONS
REFRIGERANT PRESSURE SENSOR ........... 55
. (SDS) .......................................................... 59
Removal and Installation for Refrigerant Pressure
Sensor ................................................................... 55
. SERVICE DATA AND SPECIFICATIONS
(SDS) ................................................................ 59
.
EXPANSION VALVE ........................................ 56
. Service Data and Specification (SDS) ................... 59
.
Removal and Installation for Front Expansion
Valve ...................................................................... 56
.

HA-2
PRECAUTIONS
< PRECAUTION >
PRECAUTION A
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT B
PRE-TENSIONER" INFOID:0000000001675578

The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along C
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted. D
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING: E

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