Ford 2003 Mustang Workshop Manual page 3077

Is the intersection of the two lines within the upper
and lower limits?
E10 CHECK FOR A NORMAL TO LOW SUCTION
PRESSURE
Refer to the data plot used to evaluate the system low
pressure performance in Step E9.
Is the intersection of the two lines below the lower
limit?
E11 CHECK FOR A NORMAL SUCTION PRESSURE
Use the recorded data from the refrigerant system tests
to plot a vertical line for ambient temperature and a
horizontal line for compressor suction (low) pressure.
Is the intersection of the two lines within the upper
and lower limits?
E12 CHECK FOR A SLOW A/C CLUTCH CYCLE RATE
Use the recorded data from the refrigerant system tests
to plot a vertical line for ambient temperature and a
horizontal line for total A/C clutch cycle time (time ON
plus time OFF) in seconds.
No
GO to E10 .
Yes
INSTALL a new A/C
evaporator core orifice due to
a partially restricted or plugged
condition. REFER to Section
412-03 . TEST the system for
normal operation.
No
INSPECT the A/C condenser
core (19712) for a partially
blocked or inadequate airflow.
TEST the system for normal
operation.
Yes
GO to E12 .
No
GO to E15 .
Yes
INSTALL a new evaporator to
compressor suction line
(19D742) due to a partially
restricted or plugged condition.
REFER to Section 412-03
TEST the system for normal
operation.
No
GO to E13 .
.