Nissan Murano Z51. Instruction — part 836
HA-60
< REMOVAL AND INSTALLATION >
EXPANSION VALVE
Removal and Installation
INFOID:0000000005514563
REMOVAL
1.
Use refrigerant collecting equipment (for HFC-134a) to discharge the refrigerant.
2.
Remove the mounting bolt (A), and then disconnect the low-
pressure pipe (1) and high-pressure pipe (2) from the expansion
valve.
CAUTION:
Cap or wrap the joint of the A/C piping and expansion valve
with suitable material such as vinyl tape to avoid the entry
of air.
3.
Remove the mounting bolts (A), and then remove the expansion
valve (1).
CAUTION:
Cap or wrap the joint of the A/C piping and expansion valve
with suitable material such as vinyl tape to avoid the entry
of air.
INSTALLATION
Installation is basically the reverse order of removal.
CAUTION:
• Replace O-rings with new ones. Then apply compressor oil to them when installing.
• Check for leakages when recharging refrigerant.
49. Air mix door motor (driver side)
50.
Distributor upper case
51.
Distributor lower case
52. Ventilator door
53.
Foot door
54.
Max. cool door
55. Defroster door
56.
Upper ventilator door
for symbols in the figure.
JPIIA0561ZZ
JPIIA0549ZZ
SERVICE DATA AND SPECIFICATIONS (SDS)
HA-61
< SERVICE DATA AND SPECIFICATIONS (SDS)
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SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
Compressor
INFOID:0000000005514564
Lubricant
INFOID:0000000005514565
Refrigerant
INFOID:0000000005514566
Engine Idling Speed
INFOID:0000000005514567
Belt Tension
INFOID:0000000005514568
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Model
VALEO THERMAL SYSTEMS JAPAN make
DKS-17D
Type
Fixation displacement swash plate
Displacement
cm
3
(cu in)/rev
Max.
175 (10.7)
Cylinder bore
×
stroke (Max.)
mm (in.)
30.5 (1.20)
×
24 (0.94)
Direction of rotation
Clockwise (viewed from clutch)
Drive belt
Poly V
Disc to pulley clearance
mm (in.)
Standard
0.3 - 0.6 (0.012 - 0.024)
Name
NISSAN A/C System Oil Type S (DH-PS)
Capacity
m
(US fl oz, lmp fl oz)
Total in system
150 (5.07, 5.3)
Compressor (service part) charging
amount
150 (5.07, 5.3)
Type
HFC-134a (R-134a)
Capacity
kg (lb)
0.60 (1.32)
HAC-1
VENTILATION, HEATER & AIR CONDITIONER
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SECTION
HAC
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HAC
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CONTENTS
HEATER & AIR CONDITIONING CONTROL SYSTEM
WITHOUT 7 INCH DISPLAY
BASIC INSPECTION . . . . . . . . .
DIAGNOSIS AND REPAIR WORKFLOW . . ..
Work Flow . . . . . . . . . . . . . . . .....
INSPECTION AND ADJUSTMENT . . . . . .
Description & Inspection . . . . . . . . . . ...
Temperature Setting Trimmer . . . . . . . . ...
Foot Position Setting Trimmer . . . . . . . . ...
Inlet Port Memory Function (FRE) . . . . . . ..
Inlet Port Memory Function (REC) . . . . . . ..
SYSTEM DESCRIPTION . . . . . . . .
COMPRESSOR CONTROL FUNCTION . . .
Description . . . . . . . . . . . . . . . ..
Component Part Location . . . . . . . . . ...
Component’s Role . . . . . . . . . . . . ...
AUTOMATIC AIR CONDITIONER SYSTEM . .
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . .
Component Part Location . . . . . . . . . ...
Component Description . . . . . . . . . . ...
MODE DOOR CONTROL SYSTEM . . . . ...
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . .
UPPER VENTILATOR DOOR CONTROL
SYSTEM . . . . . . . . . . . . . . . .
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . .
AIR MIX DOOR CONTROL SYSTEM . . . .
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . .
INTAKE DOOR CONTROL SYSTEM . . . .
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . ..
BLOWER MOTOR CONTROL SYSTEM . . ..
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . ..
MAGNET CLUTCH CONTROL SYSTEM . . .
System Diagram . . . . . . . . . . . . . ..
System Description . . . . . . . . . . . . ..
CAN COMMUNICATION SYSTEM . . . . ...
System Description . . . . . . . . . . . . ..
DIAGNOSIS SYSTEM (HVAC) . . . . . . .
CONSULT-III Function . . . . . . . . . . .
DTC/CIRCUIT DIAGNOSIS . . . . . . .
U1000 CAN COMM CIRCUIT . . . . . . ...
Description . . . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ..
U1010 CONTROL UNIT (CAN) . . . . . . .
Description . . . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
B257B, B257C AMBIENT SENSOR . . . . .
Description . . . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection . . . . . . . . . . . .
B2578, B2579 IN-VEHICLE SENSOR . . . ..
Description . . . . . . . . . . . . . . . ...
DTC Logic . . . . . . . . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ...
Component Inspection . . . . . . . . . . . .
B2581, B2582 INTAKE SENSOR . . . . . .
Description . . . . . . . . . . . . . . . ...
HAC-2
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
B2630, B2631 SUNLOAD SENSOR . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
B2632, B2633 AIR MIX DOOR MOTOR
(DRIVER SIDE) . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B2634, B2635 AIR MIX DOOR MOTOR (PAS-
SENGER SIDE) . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B2636, B2637, B2638, B2639, B2654, B2655
MODE DOOR MOTOR . . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B263D, B263E, B263F INTAKE DOOR MO-
TOR . . . . . . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
B2661, B2662, B2663 UPPER VENTILATOR
DOOR MOTOR . . . . . . . . . . . . ..
Description . . . . . . . . . . . . . . . ..
DTC Logic . . . . . . . . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
BLOWER MOTOR . . . . . . . . . . . .
Description . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . .
Diagnosis Procedure . . . . . . . . . . . ..
Component Inspection . . . . . . . . . . ....
MAGNET CLUTCH . . . . . . . . . . .
Description . . . . . . . . . . . . . . . ..
Component Function Check . . . . . . . . ...
Diagnosis Procedure . . . . . . . . . . . ..
A/C CONTROL SIGNAL CIRCUIT . . . . .
Diagnosis Procedure . . . . . . . . . . . ..
POWER SUPPLY AND GROUND CIRCUIT . .
A/C AUTO AMP. . . . . . . . . . . . . . ...
A/C AUTO AMP. : Description . . . . . . . ....
A/C AUTO AMP. : Component Function Check . .
A/C AUTO AMP. : Diagnosis Procedure . . . ....
A/C CONTROL . . . . . . . . . . . . . . ..
A/C CONTROL : Diagnosis Procedure . . . . ...
A/C DISPLAY . . . . . . . . . . . . . . .
A/C DISPLAY : Diagnosis Procedure . . . . . .
ECU DIAGNOSIS INFORMATION . . . .
ECM . . . . . . . . . . . . . . . . ...
Reference Value . . . . . . . . . . . . . .
A/C AUTO AMP. . . . . . . . . . . . .
Reference Value . . . . . . . . . . . . . .
Wiring Diagram - AIR CONDITIONER CONTROL
SYSTEM - . . . . . . . . . . . . . . . ...
Fail-Safe . . . . . . . . . . . . . . . .
DTC Inspection Priority Chart . . . . . . . .
DTC Index . . . . . . . . . . . . . . . .
SYMPTOM DIAGNOSIS . . . . . . ...
AIR CONDITIONER CONTROL . . . . . ...
Diagnosis Chart By Symptom . . . . . . . ...
INSUFFICIENT COOLING . . . . . . . .
Description . . . . . . . . . . . . . . .
Inspection procedure . . . . . . . . . . .
INSUFFICIENT HEATING . . . . . . . .
Description . . . . . . . . . . . . . . .
Inspection procedure . . . . . . . . . . .
NOISE . . . . . . . . . . . . . . . ...
Description . . . . . . . . . . . . . . .
Inspection procedure . . . . . . . . . . .
MEMORY FUNCTION DOES NOT OPERATE ..
Description . . . . . . . . . . . . . . .
Inspection procedure . . . . . . . . . . .
PRECAUTION . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . .
FOR USA AND CANADA . . . . . . . . . ...
FOR MEXICO . . . . . . . . . . . . . . ..
Precaution Necessary for Steering Wheel Rota-
tion after Battery Disconnect . . . . . . . . .
Precaution for Procedure without Cowl Top Cover .
Precautions For Xenon Headlamp Service . . ...
Working with HFC-134a (R-134a) . . . . . . .
General Refrigerant Precaution . . . . . . .
Refrigerant Connection . . . . . . . . . . .
Service Equipment . . . . . . . . . . . .
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