2001 NISSAN ALMERA Service Manual

maintenance schedule high beam towing steering wheel key fob battery radiator cap

Page 2473 of 2898

NISSAN ALMERA 2001 Service Manual Both High- and Low-pressure Sides are Too High.NJHA0151S01
Gauge indication Refrigerant cycle Probable cause Corrective action
Both high and low-pressure sides
are too high.
AC359A
+Pressure is reduce

Page 2474 of 2898

NISSAN ALMERA 2001 Service Manual High-pressure Side is Too Low and Low-pressure Side is Too High.NJHA0151S03
Gauge indication Refrigerant cycle Probable cause Corrective action
High-pressure side is too low and
low-pressure side is t

High-pressure Side is Too Low and Low-pressure Side is Too High.NJHA0151S03
Gauge indication Refrigerant cycle Probable cause Corrective action
High-pressure side is too low and
low-pressure side is too high.
AC356A
High and low-pressure sides
become equal soon after
compressor operation stops.Compressor pressure opera-
tion is improper.
¯
Damaged inside compressor
packingsReplace compressor.
No temperature difference
between high and low-pres-
sure sidesCompressor pressure opera-
tion is improper.
¯
Damaged inside compressor
packings.Replace compressor.
Both High- and Low-pressure Sides are Too Low.NJHA0151S04
Gauge indication Refrigerant cycle Probable cause Corrective action
Both high- and low-pressure sides
are too low.
AC353A
+There is a big temperature
difference between
receiver drier outlet and
inlet. Outlet temperature is
extremely low.
+Liquid tank inlet and
expansion valve are
frosted.Liquid tank inside is slightly
clogged.+Replace liquid tank.
+Check lubricant for con-
tamination.
+Temperature of expansion
valve inlet is extremely
low as compared with
areas near liquid tank.
+Expansion valve inlet may
be frosted.
+Temperature difference
occurs somewhere in
high- pressure sideHigh-pressure pipe located
between receiver drier and
expansion valve is clogged.+Check and repair malfunc-
tioning parts.
+Check lubricant for con-
tamination.
+Expansion valve and liquid
tank are warm or only cool
when touched.Low refrigerant charge
¯
Leaking fittings or compo-
nentsCheck refrigerant for leaks.
Refer to ªChecking Refriger-
ant Leaksº, HA-93.
There is a big temperature
difference between expan-
sion valve inlet and outlet
while the valve itself is
frosted.Expansion valve closes a
little compared with the
specification.
¯
1. Improper expansion valve
adjustment
2. Malfunctioning thermal
valve
3. Outlet and inlet may be
clogged.+Remove foreign particles
by using compressed air.
+Check lubricant for con-
tamination.
An area of the low-pressure
pipe is colder than areas
near the evaporator outlet.Low-pressure pipe is clogged
or crushed.+Check and repair malfunc-
tioning parts.
+Check lubricant for con-
tamination.
Air flow volume is not
enough or is too low.Evaporator is frozen.+Check thermo control
amp. operation.
+Replace compressor.
TROUBLE DIAGNOSES
Insufficient Cooling (Cont'd)
HA-74

Page 2475 of 2898

NISSAN ALMERA 2001 Service Manual Low-pressure Side Sometimes Becomes Negative.NJHA0151S05
Gauge indication Refrigerant cycle Probable cause Corrective action
Low-pressure side sometimes
becomes negative.
AC354A
+Air conditioning syst

Page 2476 of 2898

NISSAN ALMERA 2001 Service Manual Insufficient Heating
TROUBLE DIAGNOSIS PROCEDURE FOR INSUFFICIENT HEATING=NJHA0152SYMPTOM: Insufficient heating.
INSPECTION FLOW
NHA391
*1: LC-18 (QG),
LC-44 (YD)
*2: LC-12 (QG),
LC-38 (YD)*3: LC-15 (

Page 2477 of 2898

NISSAN ALMERA 2001 Service Manual Noise
TROUBLE DIAGNOSIS PROCEDURE FOR NOISE=NJHA0158SYMPTOM:
+Noise
INSPECTION FLOW
RHA925H
*1: HA-85
*2: HA-86
*3: HA-80*4: EM-16 (QG),
EM-85 (YD)*5: LC-18 (QG),
LC-44 (YD)
TROUBLE DIAGNOSES
Noise
HA

Page 2478 of 2898

NISSAN ALMERA 2001 Service Manual HFC-134a (R-134a) Service ProcedureNJHA0159SETTING OF SERVICE TOOLS AND EQUIPMENTNJHA0159S01Discharging RefrigerantNJHA0159S0101WARNING:
Avoid breathing A/C refrigerant and lubricant vapor or mist. Ex

Page 2479 of 2898

NISSAN ALMERA 2001 Service Manual SHA383F
*1: HA-80
*2: HA-93*3: HA-94 *4: HA-69
SERVICE PROCEDURE
HFC-134a (R-134a) Service Procedure (Contd)
HA-79

Page 2480 of 2898

NISSAN ALMERA 2001 Service Manual Maintenance of Lubricant Quantity in
Compressor
NJHA0160The lubricant in the compressor circulates through the system with
the refrigerant. Add lubricant to compressor when replacing any
component or

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