2005 INFINITI QX4 Factory Service Manual

Page 409 of 3419

INFINITI QX4 2005  Factory Service Manual ATC-14
PREPARATION
Revision: October 20052005 QX56
PREPARATIONPFP:00002
Special Service ToolsEJS003WY
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated h

Page 410 of 3419

INFINITI QX4 2005  Factory Service Manual PREPARATION
ATC-15
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: October 20052005 QX56
—
(J-41995)
Electronic refrigerant leak detectorPower supply:
DC 12V (battery terminal)
—
(J-43926)
Refrigerant dye

Page 411 of 3419

INFINITI QX4 2005  Factory Service Manual ATC-16
PREPARATION
Revision: October 20052005 QX56
—
(J-39183-C)
Manifold gauge set (with hoses 
and couplers)Identification:
The gauge face indicates R-134a.
Fitting size-Thread size
1/2”-16 AC

Page 412 of 3419

INFINITI QX4 2005  Factory Service Manual PREPARATION
ATC-17
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: October 20052005 QX56
Commercial Service ToolsEJS003X0
Tool nameDescription
(J-41810-NI)
Refrigerant identifier equipment (R-
134a)For checking

Page 413 of 3419

INFINITI QX4 2005  Factory Service Manual ATC-18
REFRIGERATION SYSTEM
Revision: October 20052005 QX56
REFRIGERATION SYSTEMPFP:KA990
Refrigerant CycleEJS003X1
REFRIGERANT FLOW
The refrigerant flows in the standard pattern, that is, through the

Page 414 of 3419

INFINITI QX4 2005  Factory Service Manual REFRIGERATION SYSTEM
ATC-19
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: October 20052005 QX56
PRESSURE RELIEF VALVE
The refrigerant system is also protected by a pressure relief valve, located in the rear h

Page 415 of 3419

INFINITI QX4 2005  Factory Service Manual ATC-20
REFRIGERATION SYSTEM
Revision: October 20052005 QX56
Component LayoutEJS003X3
FRONT REFRIGERATION SYSTEM
WJIA0956E

Page 416 of 3419

INFINITI QX4 2005  Factory Service Manual REFRIGERATION SYSTEM
ATC-21
C
D
E
F
G
H
I
K
L
MA
B
AT C
Revision: October 20052005 QX56
REAR REFRIGERATION SYSTEM
1. Defroster nozzle 2. LH side demister duct 3. LH ventilator duct
4. RH side demister