Operational Check

The purpose of the operational check is to confirm that the system operates properly.

CONDITIONS:
Engine running and at normal operating temperature.

Check Blower:

PROCEDURE:
1. Check blower

Check Discharge Air:

2. Check discharge air
a. Press each mode switch.

Check Discharge Air:

b. Confirm that discharge air comes out according to the air distribution table at left and that the indicator lamp illuminates.
Refer to "Discharge Air Flow." Description and Operation

Check Recirculation:

3. Check recirculation

Check Temperature Decrease:

4. Check temperature decrease
a. Press the temperature control switch until 15°C (60°F) is displayed.
b. Check for cold air at discharge air outlets.

Check Temperature Increase:

5. Check temperature increase
a. Press the temperature control switch until 32°C (90°F) is displayed.
b. Check for hot air at discharge air outlets.

Check AUTO Mode:

6. Check AUTO mode

Check Memory Function:

7. Check memory function
a. Press OFF switch.
b. Turn the ignition OFF.
c. Turn the ignition ON.
d. Press the AUTO switch.
e. Confirm that the set temperature remains at previous temperature.

REAR A/C CONDITIONS
Engine running at normal operating temperature.

PROCEDURE:

Check Blower:

1. Check blower
a. Set rear fan switch (front) to REAR position.
b. Press any mode switch except OFF.
c. Press air conditioner switch ON.
d. Turn rear fan switch to 1-speed.
Blower should operate on 1-speed.
e. Turn rear fan switch to 2-speed.
f. Continue checking blower speed until all four speeds are checked.

Check Discharge Air:

2. Check discharge air
a. Press the UPPER side of the rear vent switch. The indicator should light. Confirm air flow from the upper rear discharge outlets.

Check Discharge Air:

b. Press the LOWER side of the rear vent switch. The indicator should light. Confirm air flow from the lower rear discharge outlets.

Check Temperature Decrease:

3. Check temperature decrease
a. Turn rear temperature control switch to full cool.
b. Check for cold air at rear discharge outlets.

Check Temperature Decrease:

4. Check temperature increase
a. Turn the rear temperature control switch to full warm.
b. Check for hot air at rear discharge outlets.