Description and Inspection

INSPECTION AND ADJUSTMENT


WITHOUT ACCS : Description and Inspection


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

Conditions : Engine running at normal operating temperature


INSPECTION PROCEDURE
1.CHECK MEMORY FUNCTION
1. Start the engine.
2. Turn temperature control dial (driver side) clockwise until 32.0�C (90�F) is displayed.
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 temperature setting before turning the ignition switch OFF is stored.
Is the inspection result normal?
YES - GO TO 2.
NO - Memory function malfunction: Inspection Procedure.
2.CHECK BLOWER MOTOR SPEED
1. Start the engine.
2. Press fan (UP: +) switch. Check that the fan speed changes. Check the operation for all fan speeds.
3. Set the fan speed to max speed.
Is the inspection result normal?
YES - GO TO 3.
NO - Blower motor system malfunction: Diagnosis Procedure.
3.CHECK DISCHARGE AIR
1. Press the MODE switch and the DEF switch.
2. Each position indicator should change shape.
3. Confirm that discharge air comes out according to the air distribution table as follows:






NOTE:
Confirm that the compressor clutch is engaged (sound or visual inspection) and the intake door position is at
FRE when D/F or DEF is selected.
Is the inspection result normal?
YES - GO TO 4.
NO - Mode door system malfunction: Diagnosis Procedure.
4.CHECK INTAKE AIR
1. Press intake switch. REC indicator turns ON.
2. Press intake switch again. FRE indicator turns ON.
3. Listen for intake door position change. (Slight change of blower sound can be heard.)

NOTE:
Confirm that the compressor clutch is engaged (sound or visual inspection) and the intake door position is at
FRE when D/F or DEF is selected.
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. A/C switch indicator turns ON.
Confirm that the compressor clutch engages (sound or visual inspection).
Is the inspection result normal?
YES - GO TO 6.
NO - Magnet clutch system malfunction: Diagnosis Procedure.
6.CHECK WITH TEMPERATURE SETTING LOWERED
1. Turn temperature control dial (driver side) counterclockwise until 18.0�C (60�F) is displayed.
2. Check that the cool air blows from the outlets.
Is the inspection result normal?
YES - GO TO 7.
NO - Insufficient cooling: Inspection Procedure.
7.CHECK WITH TEMPERATURE SETTING RAISED
1. Turn temperature control dial (driver side) clockwise until 32.0�C (90�F) is displayed.
2. Check that the warm air blows from the outlets.
Is the inspection result normal?
YES - GO TO 8.
NO - Insufficient heating: Inspection Procedure.
8.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 temperature control dial (driver side). Check that the discharge air temperature (driver side) changes.
3. Operate the temperature control dial (passenger side). Check that the discharge air temperature (passenger side) changes.
4. 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 9.
NO - Refer to Diagnosis Chart By Symptom and perform the appropriate diagnosis.
9.CHECK AUTO MODE
1. Press the AUTO switch, and then check that "AUTO" is shown on the display.
2. Check that the discharge air and blower speed depend on ambient temperature, in-vehicle temperature and temperature setting.
Is the inspection result normal?
YES - INSPECTION END
NO - Refer to Diagnosis Chart By Symptom and perform the appropriate diagnosis.