Operation CHARM: Car repair manuals for everyone.

Inspection





INSPECTION


Description & Inspection


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. Start the engine.
2. Set the temperature to 32�C (90�F) by operating the temperature control switch.
3. Press OFF switch.
4. Turn ignition switch OFF.
5. Turn ignition switch ON.
6. Press AUTO switch.
7. Check that the set temperature is maintained.
Is the inspection result normal?
YES - GO TO 2.
NO - Memory function malfunction. Inspection Procedure.
2.CHECK BLOWER MOTOR
1. Start the engine.
2. Operate the fan control switch. Check that the fan speed changes. Check the operation for all fan speeds.
3. Leave blower on maximum speed.
Is the inspection result normal?
YES - GO TO 3.
NO - Blower motor system malfunction. Diagnosis Procedure.
3.CHECK DISCHARGE AIR
1. Operate MODE switch and DEF switch to each position.
2. Check that the air outlets change according to each indicated air outlet by placing a hand in front of the outlets. Description and Operation.
Is the inspection result normal?
YES - GO TO 4.
NO - Mode door system malfunction. Diagnosis Procedure.
4.CHECK INTAKE AIR
1. Press REC switch to set the air outlet to recirculation.
2. The REC indicator turns ON.
3. Listen to intake sound and confirm air inlets change.
4. Press FRE switch again to set the air outlet to fresh air intake.
5. The FRE 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. 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. Diagnosis Procedure.
6.CHECK DISCHARGE AIR TEMPERATURE
Operate the temperature control switch. Check that the discharge air temperature changes.
Is the inspection result normal?
YES - GO TO 7.
NO - Air mix door system malfunction. Diagnosis Procedure.
7.CHECK TEMPERATURE DECREASE
1. Operate the compressor.
2. Operate the temperature control switch to lower temperature setting at 18�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. Insufficient Cooling.
8.CHECK TEMPERATURE INCREASE
1. Turn temperature control switch to raise temperature setting at 32�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. Insufficient Heating.
9.CHECK AUTO MODE
1. Press AUTO switch to confirm that "AUTO" is indicated on the display.
2. Operate the temperature control switch to 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 - Automatic Air Conditioner System and perform the appropriate diagnosis.