Front Automatic Air Conditioner System

OPERATION INSPECTION


FRONT AUTOMATIC AIR CONDITIONING SYSTEM : Work Procedure


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

Check condition : Engine running at normal operating temperature.

OPERATION INSPECTION
1.CHECK MEMORY FUNCTION
1. Set temperature control dial (driver side) to 32.0�C (90�F).
2. Press OFF switch.
3. Turn ignition switch OFF.
4. Turn ignition switch ON.
5. Press AUTO switch.
6. Check that set temperature is maintained.
Is the inspection result normal?
YES - GO TO 2.
NO - GO TO 12.
2.CHECK FRONT BLOWER MOTOR
1. Start engine.
2. Operate fan switch.
3. Check that fan speed changes. Check operation for all fan speeds.
Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 12.
3.CHECK DISCHARGE AIR (MODE SWITCH AND DEF SWITCH)
1. Operate fan switch to set the fan speed to maximum speed.
2. Operate MODE switch and DEF switch.
3. Check that air outlets change according to each indicated air outlet by placing a hand in front of the outlets. .
Is the inspection result normal?
YES - GO TO 4.
NO - GO TO 12.
4.CHECK DISCHARGE AIR (UPPER VENTILATOR SWITCH)
1. Press MODE switch to set the air outlet to other than D/F or DEF.
2. Press upper ventilator switch. The upper ventilator switch indicator is turns ON.
3. Check that air flow blows from upper ventilator.
4. Press upper ventilator switch again. The upper ventilator switch indicator is turns OFF.
5. Check that air flow from upper ventilator stops.
Is the inspection result normal?
YES-1 - With ACCS (advanced climate control system): GO TO 5.
YES-2 - Without ACCS (advanced climate control system): GO TO 6.
NO - GO TO 12.
5.CHECK INTAKE AIR [WITH ACCS (ADVANCED CLIMATE CONTROL SYSTEM)]
1. Press intake switch to set the air inlet to recirculation. The intake switch indicator turns ON.
2. Listen to intake sound and confirm air inlets change.
3. Press intake switch again to set the air inlet to fresh air intake. The intake switch indicator turns OFF.
4. Listen to intake sound and confirm air inlets change.
Is the inspection result normal?
YES - GO TO 7.
NO - GO TO 12.
6.CHECK INTAKE AIR [WITHOUT ACCS (ADVANCED CLIMATE CONTROL SYSTEM)]
1. Press REC switch to set the air inlet to recirculation. The REC switch indicator turns ON.
2. Listen to intake sound and confirm air inlets change.
3. Press FRE switch to set the air inlet to fresh air intake. The REC switch indicator turns OFF and FRE switch indicator turns ON.
4. Listen to intake sound and confirm air inlets change.
Is the inspection result normal?
YES - GO TO 7.
NO - GO TO 12.
7.CHECK COMPRESSOR
1. Press A/C switch. The A/C switch indicator is turns ON.
2. Check visually and by sound that the compressor operates.
3. Press A/C switch again. The A/C switch indicator is turns OFF.
4. Check that compressor stops.
Is the inspection result normal?
YES - GO TO 8.
NO - GO TO 12.
8.CHECK
DISCHARGE AIR TEMPERATURE (LH/RH INDEPENDENT TEMPERATURE ADJUSTMENT
FUNCTION)
1. Operate temperature control dial (driver side).
2. Check that discharge air temperature (driver side) changes.
3. Operate temperature control dial (passenger side). The DUAL switch indicator is turns ON.
4. Check that the discharge air temperature (passenger side) changes.
5. Press DUAL switch. The DUAL switch indicator is turns OFF.
6. Check that air temperature setting (LH/RH) is unified to the driver side temperature setting.
Is the inspection result normal?
YES - GO TO 9.
NO - GO TO 12.
9.CHECK WITH TEMPERATURE SETTING LOWERED
1. Operate compressor.
2. Operate temperature control dial (driver side) and lower the set temperature to 18�C (60�F).
3. Check that cool air blows from the air outlets.
Is the inspection result normal?
YES - GO TO 10.
NO - GO TO 12.
10.CHECK TEMPERATURE INCREASE
1. Operate temperature control dial (driver side) and raise the set temperature to 32�C (90�F).
2. Check that warm air blows from the air outlets.
Is the inspection result normal?
YES - GO TO 11.
NO - GO TO 12.
11.CHECK AUTO MODE
1. Press AUTO switch to confirm that "AUTO" is indicated on the display.
2. Operate temperature control dial (driver side) to check that fan speed or air outlet changes (the air outlet or fan speed varies depending on the ambient temperature, in-vehicle temperature (front side), set temperature, and etc.).
Is the inspection result normal?
YES - INSPECTION END
NO - GO TO 12.
12.CHECK SELF-DIAGNOSIS WITH CONSULT-III
1. Perform self-diagnosis with CONSULT-III.
2. Check that any DTC is detected.
Is any DTC detected?
YES - Testing and Inspection and perform the appropriate diagnosis.
NO - GO TO 13.
13.CHECK FAIL-SAFE ACTIVATION
Check that symptom is applied to the fail-safe activation. Automatic Air Conditioner A/C Auto Amp.
- Front Automatic Air Conditioner System and perform the appropriate diagnosis.