Nissan Sentra. Instruction — part 538
HA-46
< SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Service Data and Specification (SDS)
INFOID:0000000009756322
COMPRESSOR
OIL
REFRIGERANT
Model
SANDEN
Type
PXC14 (swashplate)
Displacement
137.2 cm
3
(8.37 in
3
) / revolution
Direction of rotation
Clockwise
Drive belt
Poly V 6-grooves
Name
Genuine NISSAN A/C System Oil Type DH-PS or equivalent
Capacity
Total in system
90 m (3.0 US fl oz, 3.2 lmp fl oz)
Compressor (service part) charging amount
Refer to
HA-26, "Oil Adjusting Procedure for Compressor Re-
Type
HFC-134a (R-134a)
Capacity
0.45
± 0.05 kg (0.992 ± 0.110 lb)
HAC-1
VENTILATION, HEATER & AIR CONDITIONER
C
D
E
F
G
H
J
K
L
M
SECTION
HAC
A
B
HAC
N
O
P
CONTENTS
HEATER & AIR CONDITIONING CONTROL SYSTEM
AUTOMATIC AIR CONDITIONER
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precaution for Work . . . . . . . . . . . . ..
Working with HFC-134a (R-134a) . . . . . . .....
Precaution for Service Equipment . . . . . . .....
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Special Service Tool . . . . . . . . . . . .....
Commercial Service Tool . . . . . . . . . . ..
SYSTEM DESCRIPTION . . . . . . . ..
COMPONENT PARTS . . . . . . . . . .
Component Part Location . . . . . . . . . .....
Component Description . . . . . . . . . . ...
SYSTEM . . . . . . . . . . . . . . . .
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . .
Air Flow Control . . . . . . . . . . . . . ...
Air Inlet Control . . . . . . . . . . . . . ...
Air Outlet Control . . . . . . . . . . . . . .
Compressor Control . . . . . . . . . . . .
Door Control . . . . . . . . . . . . . . .
Temperature Control . . . . . . . . . . . ...
Fail-safe . . . . . . . . . . . . . . . . ..
OPERATION . . . . . . . . . . . . . ...
Switch Name and Function . . . . . . . . . .
DIAGNOSIS SYSTEM (A/C AUTO AMP.) . . .
Description . . . . . . . . . . . . . . . ..
CONSULT Function (HVAC) . . . . . . . . ...
DIAGNOSIS SYSTEM (BCM) . . . . . . ...
COMMON ITEM . . . . . . . . . . . . . . .
COMMON ITEM : CONSULT Function (BCM -
COMMON ITEM) . . . . . . . . . . . . . .
AIR CONDITIONER . . . . . . . . . . . . ...
AIR CONDITIONER : CONSULT Function (BCM -
AIR CONDITIONER) . . . . . . . . . . . ...
DIAGNOSIS SYSTEM (IPDM E/R) . . . . ...
Diagnosis Description . . . . . . . . . . . ..
CONSULT Function (IPDM E/R) . . . . . . . .
ECU DIAGNOSIS INFORMATION . . . ..
A/C AUTO AMP. . . . . . . . . . . . ...
Reference Value . . . . . . . . . . . . . ..
DTC Inspection Priority Chart . . . . . . . ...
DTC Index . . . . . . . . . . . . . . . ...
ECM, IPDM E/R, BCM . . . . . . . . . ...
List of ECU Reference . . . . . . . . . . . .
WIRING DIAGRAM . . . . . . . . . ..
AUTOMATIC AIR CONDITIONING SYSTEM ...
Wiring Diagram . . . . . . . . . . . . . .
BASIC INSPECTION . . . . . . . . ...
DIAGNOSIS AND REPAIR WORKFLOW . .
Work Flow . . . . . . . . . . . . . . . .
OPERATION INSPECTION . . . . . . . ..
Work Procedure . . . . . . . . . . . . . ...
SYSTEM SETTING . . . . . . . . . . ...
Temperature Setting Trimmer . . . . . . . . .
Inlet Port Memory Function (FRE) . . . . . . ...
Inlet Port Memory Function (REC) . . . . . . ..
HAC-2
DOOR MOTOR STARTING POSITION RE-
SET . . . . . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . ..
Work Procedure . . . . . . . . . . . . . ..
DTC/CIRCUIT DIAGNOSIS . . . . . . .
U1000 CAN COMM CIRCUIT . . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
U1010 CONTROL UNIT (CAN) . . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B2578, B2579 IN-VEHICLE SENSOR . . . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
B257B, B257C AMBIENT SENSOR . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
B2581, B2582 INTAKE SENSOR . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
B2630, B2631 SUNLOAD SENSOR . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
B27A2, B27A3, B27A4, B27A5 AIR MIX
DOOR MOTOR (DRIVER SIDE) . . . . . .
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
B27AA, B27AB, B27AC, B27AD AIR MIX
DOOR MOTOR (PASSENGER SIDE) . . . ...
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
B27A6, B27A7, B27A8, B27A9 MODE DOOR
MOTOR . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
B27A0, B27A1 INTAKE DOOR MOTOR . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection (PBR) . . . . . . . . .
Component Inspection (Motor) . . . . . . . ...
POWER SUPPLY AND GROUND CIRCUIT . .
A/C AUTO AMP. . . . . . . . . . . . . . .
A/C AUTO AMP. : Diagnosis Procedure . . . . .
A/C SWITCH ASSEMBLY . . . . . . . . . . .
A/C SWITCH ASSEMBLY : Component Function
Check . . . . . . . . . . . . . . . . . ..
A/C SWITCH ASSEMBLY : Diagnosis Procedure ...
A/C SWITCH ASSEMBLY SIGNAL CIRCUIT ...
Diagnosis Procedure . . . . . . . . . . . ...
A/C ON SIGNAL . . . . . . . . . . . .
Component Function Check . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
BLOWER FAN ON SIGNAL . . . . . . . ..
Component Function Check . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
BLOWER MOTOR . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection (Blower Motor) . . . . ...
Component Inspection (Blower Motor Relay) . . .
MAGNET CLUTCH . . . . . . . . . . .
Component Function Check . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ...
ECV (ELECTRICAL CONTROL VALVE) . . ..
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection . . . . . . . . . . .
SYMPTOM DIAGNOSIS . . . . . . .
HEATER AND AIR CONDITIONING SYSTEM
CONTROL SYMPTOMS . . . . . . . . .
Diagnosis Chart By Symptom . . . . . . . . .
INSUFFICIENT COOLING . . . . . . . . .
Description . . . . . . . . . . . . . . . ..
Diagnosis Procedure . . . . . . . . . . . ...
INSUFFICIENT HEATING . . . . . . . .
Description . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
COMPRESSOR DOES NOT OPERATE . . ..
Description . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . .
A/C SWITCH ASSEMBLY . . . . . . . .
Removal and Installation . . . . . . . . . ...
A/C AUTO AMP. . . . . . . . . . . . ...
Exploded View . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . ...
AMBIENT SENSOR . . . . . . . . . . ..
HAC-3
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
IN-VEHICLE SENSOR . . . . . . . . . .
Removal and Installation . . . . . . . . . ...
SUNLOAD SENSOR . . . . . . . . . .
Removal and Installation . . . . . . . . . ...
INTAKE SENSOR . . . . . . . . . . .
Removal and Installation . . . . . . . . . ...
REFRIGERANT PRESSURE SENSOR . . ...
Removal and Installation . . . . . . . . . ...
DOOR MOTOR . . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . ..
INTAKE DOOR MOTOR . . . . . . . . . . ..
INTAKE DOOR MOTOR : Removal and Installa-
tion . . . . . . . . . . . . . . . . . .
MODE DOOR MOTOR . . . . . . . . . . .
MODE DOOR MOTOR : Removal and Installation ..
AIR MIX DOOR MOTOR . . . . . . . . . . .
AIR MIX DOOR MOTOR : Removal and Installa-
tion - Air Mix Door Motor RH . . . . . . . . .
AIR MIX DOOR MOTOR : Removal and Installa-
tion - Air Mix Door Motor LH . . . . . . . . ..
POWER TRANSISTOR . . . . . . . . .
Removal and Installation . . . . . . . . . ...
MANUAL AIR CONDITIONER
PRECAUTION . . . . . . . . . . .
PRECAUTIONS . . . . . . . . . . . .
Precaution for Work . . . . . . . . . . . ..
Working with HFC-134a (R-134a) . . . . . . .
Precaution for Service Equipment . . . . . . .
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . .
Special Service Tool . . . . . . . . . . . .
Commercial Service Tool . . . . . . . . . ..
SYSTEM DESCRIPTION . . . . . . ...
COMPONENT PARTS . . . . . . . . . .
Component Part Location . . . . . . . . . .
Component Description . . . . . . . . . . .
SYSTEM . . . . . . . . . . . . . . ...
System Diagram . . . . . . . . . . . . .
System Description . . . . . . . . . . . ...
Air Flow Control . . . . . . . . . . . . . .
Air Inlet Control . . . . . . . . . . . . . .
Air Outlet Control . . . . . . . . . . . . ...
Compressor Control . . . . . . . . . . . ..
Door Control . . . . . . . . . . . . . . ..
Temperature Control . . . . . . . . . . . .
OPERATION . . . . . . . . . . . . ...
Switch Name and Function . . . . . . . . .
DIAGNOSIS SYSTEM (BCM) (WITH INTELLI-
GENT KEY SYSTEM) . . . . . . . . . .
COMMON ITEM . . . . . . . . . . . . . ...
COMMON ITEM : CONSULT Function (BCM -
COMMON ITEM) . . . . . . . . . . . . ...
AIR CONDITIONER . . . . . . . . . . . . .
AIR CONDITIONER : CONSULT Function (BCM -
AIR CONDITIONER) . . . . . . . . . . . .
DIAGNOSIS SYSTEM (BCM) (WITHOUT IN-
TELLIGENT KEY SYSTEM) . . . . . . ...
COMMON ITEM . . . . . . . . . . . . . ...
COMMON ITEM : CONSULT Function (BCM -
COMMON ITEM) . . . . . . . . . . . . ...
AIR CONDITIONER . . . . . . . . . . . . .
AIR CONDITIONER : CONSULT Function (BCM -
AIR CONDITIONER) . . . . . . . . . . . .
DIAGNOSIS SYSTEM (IPDM E/R) (WITH IN-
TELLIGENT KEY SYSTEM) . . . . . . ...
Diagnosis Description . . . . . . . . . . .
CONSULT Function (IPDM E/R) . . . . . . ...
DIAGNOSIS SYSTEM (IPDM E/R) (WITHOUT
INTELLIGENT KEY SYSTEM) . . . . . .
Diagnosis Description . . . . . . . . . . .
CONSULT Function (IPDM E/R) . . . . . . ...
ECU DIAGNOSIS INFORMATION . . .
A/C AUTO AMP. . . . . . . . . . . . .
Reference Value . . . . . . . . . . . . .
ECM, IPDM E/R, BCM . . . . . . . . . .
List of ECU Reference . . . . . . . . . . ...
WIRING DIAGRAM . . . . . . . . .
MANUAL AIR CONDITIONING SYSTEM . ...
Wiring Diagram . . . . . . . . . . . . . ..
MANUAL HEATER SYSTEM . . . . . . ..
Wiring Diagram . . . . . . . . . . . . . ..
BASIC INSPECTION . . . . . . . . .
DIAGNOSIS AND REPAIR WORKFLOW . ..
Work Flow . . . . . . . . . . . . . . . ..
OPERATION INSPECTION . . . . . . .
Work Procedure . . . . . . . . . . . . . .
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