Performance And Movement Checklist For Automatic Air Conditioner Related Parts - Isuzu 2000 Trooper Workshop Manual

Performance and Movement checklist for
Automatic Air Conditioner Related Parts
Start the engine, and when the engine coolant reached
122°F check performance and movement of the related
parts according the following checklist.
Performance Check Using the Manual Switch
No. No Item Item
Blowing
temperature
(check movement
of air mix door)
1
Airflow
volume(check
2
movement of the
mode door)
Blowing
temperature(chec
k movement of
3
the mode door)
The
interior/outside air
switching mode
(check movement
4 of intake door)
Compressor
5
HEATING, VENTILATION AND AIR CONDITIONING (HVAC) 1A–105
Checking Approach
Condition
Auto switch must be
turned
on(FAN–AUTOMODE
–AUTO)
MAX Control.
Set temperature to
77°F.
Set temperature to
77°F.Set the fan knob
to HI.
Set temperature to
77°F.
Set the temperature to
64.4°F (FC). (Outside
air temperature is
32°F or above and
interior temperature at
ordinary temperature.)
Operation
1. Select FC for the
setup temperature.
2. Select FH for the
setup temperature.
Then, select the
1. Turn the fan knob
off.
2. Turn the fan knob
from LOW to HI.
Push the mode switch
to change the blow
port mode sequentially
from the VENT
through BI-LEVEL,
FOOT up to DEF.
Turn the LED off using
the interior/outside air
switch (this introduces
the outside air intake
mode). Then, the set
fan knob to HI and
press the
interior/outside switch
to turn on the LED.
Push the "OFF"
switch.
1. Push the Auto
switch.
2. Push the Air
Conditioner switch.
Acceptance criteria Acceptance criteria
1. Cold air shall be blown out.
2. Hot air shall be blown out.
1. The fan shall be stopped, thus
stopping air blow, too.
2. Airflow volume shall change from
LOW to HI.
LED corresponding to each mode
shall be turned on and the blow port
mode shall be switched smoothly.
The LED indication shall be
switched from OFF to ON
accompanying a change in air
blowing sound.
1. As the fan knob is set to the Auto
position, the A/C switch LED
shall come on and the
compressor shall be turned on.
2. As the A/C LED comes off, the
compressor shall be turned off.