Nissan Primera P11. Manual - part 471
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 incorrect.
"
Damage inside compressor
packings.
Replace compressor.
No temperature difference
between high and low-pres-
sure sides.
Compressor operation is
incorrect.
"
Damage inside compressor
packings.
Replace compressor.
Both high- and low-pressure
sides are too low.
AC353A
●
There is a big temperature
difference between liquid
tank outlet and inlet. Outlet
temperature is extremely
low.
●
Liquid tank inlet and
expansion valve are
frosted.
Liquid tank inside is clogged
a little.
●
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 side.
High-pressure pipe located
between liquid tank and
expansion valve is clogged.
●
Check and repair malfunc-
tioning parts.
●
Check lubricant for con-
tamination.
Both high- and low-pressure
sides are too low.
AC353A
There is a big temperature
difference between expansion
valve inlet and outlet while
the valve itself is frosted.
Expansion valve closes a
little compared with the speci-
fication.
"
p
1
Improper expansion
valve adjustment.
p
2
Malfunctioning thermal
valve.
p
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.
Compressor operation is
incorrect.
"
Damaged inside compressor
packings.
Replace compressor.
TROUBLE DIAGNOSES
AUTO
Trouble Diagnoses for Abnormal Pressure
(Cont’d)
HA-37