DESCRIPTION The purpose of the operational check is to check that the individual system operates normally.

Check condition | : Engine running at normal operating temperature.

1.CHECK MEMORY FUNCTION

1. Turn the ignition switch ON.
2. Set temperature control dial (driver side) to 32.0°C (90°F).
3. Press the OFF switch.
4. Turn the ignition switch OFF.
5. Turn the ignition switch ON.
6. Press the AUTO switch.
7. Check that the set temperature is maintained.

Is the inspection result normal?
YES>>GO TO 2.
NO>>Memory function malfunction. Refer to Diagnosis Procedure.
2.CHECK THE BLOWER MOTOR

1. Start the engine.
2. Operate the fan control dial. Check that the fan speed changes. Check the operation for all blower speeds.
3. Leave blower on maximum speed.

Is the inspection result normal?
YES>>GO TO 3.
NO>>Blower motor system malfunction. Refer to Diagnosis Procedure.
3.CHECK DISCHARGE AIR

1. Operate MODE switch and DEF switch.
2. Check that the air outlets change according to each indicated air outlet by placing a hand in front of the outlets. Refer to System Description.

Is the inspection result normal?
YES>>GO TO 4.
NO>>Mode door system malfunction. Refer to Diagnosis Procedure.
4.CHECK INTAKE AIR

1. Press REC switch to set the air outlet to recirculation.
2. The REC switch indicator turns ON.
3. Listen to intake sound and confirm air inlets change.
4. Press FRE switch to set the air outlet to fresh air intake.
5. The FRE switch indicator turns ON.
6. Listen to intake sound and confirm air inlets change.

Is the inspection result normal?
YES>>GO TO 5.
NO>>Intake door system malfunction. Refer to Diagnosis Procedure.
5.CHECK A/C SWITCH

1. Press the A/C switch.
2. Check that the indicator of the A/C switch turns ON. Check visually and by sound that the compressor operates.
3. Press the A/C switch again.
4. Check that the indicator of the A/C switch turns OFF. Check that the compressor stops.

Is the inspection result normal?
YES>>GO TO 6.
NO>>Magnet clutch system malfunction. Refer to Diagnosis Procedure.
6.CHECK DISCHARGE AIR TEMPERATURE

1. Operate the temperature control dial (driver side). Check that the discharge air temperature (driver side) changes.
2. Operate the temperature control dial (passenger side). Check that the discharge air temperature (passenger side) changes.

Is the inspection result normal?
YES>>GO TO 7.
NO-1>>Air mix door (driver side) malfunction. Refer to Diagnosis Procedure.
NO-2>>Air mix door (passenger side) malfunction. Refer to Diagnosis Procedure.
7.CHECK TEMPERATURE DECREASE

1. Operate the compressor.
2. Operate the temperature control dial (driver side) and lower the set temperature to 18.0°C (60°F).
3. Check that the cool air blows from the outlets.

Is the inspection result normal?
YES>>GO TO 8.
NO>>Insufficient cooling. Refer to Diagnosis Procedure.
8.CHECK TEMPERATURE INCREASE

1. Turn temperature control dial (driver side) and raise temperature setting to 32.0°C (90°F) after warming up the engine.
2. Check that warm air blows from outlets.

Is the inspection result normal?
YES>>GO TO 9.
NO>>Insufficient heating. Refer to Diagnosis Procedure.
9.CHECK LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL SYSTEM FUNCTION

1. Press the DUAL switch, and then check that “DUAL” is shown on the display.
2. Operate the temperature control dial (passenger side). Check that the temperature indication and discharge air temperature on the passenger side changes.
3. Press the DUAL switch, and then check that the temperature setting (LH/RH) is unified to the driver side temperature setting.

Is the inspection result normal?
YES>>GO TO 10.
NO>>Refer to Diagnosis Chart By Symptom and perform the appropriate diagnosis.
10.CHECK AUTO MODE

1. Press the AUTO switch, and then check that “AUTO” is shown on the display.
2. Operate the temperature control dial (driver side). Check that the fan speed or air outlet changes (the air flow temperature or fan speed varies depending on the ambient temperature, in-vehicle temperature, and set temperature).

Is the inspection result normal?
YES>>INSPECTION END
NO>>Refer to Diagnosis Chart By Symptom and perform the appropriate diagnosis.