Compressor And Magnetic Clutch On-Vehicle Inspection; Inspect Compressor For Metallic Sound; Inspect Compressor Lock Sensor Resis­tance; Inspect Magnetic Clutch Operation - Toyota Celica 2000 Repair Manual

COMf'RfSSOfl AND MAGNETIC CLUTCH
"-
AIR CONDITIONING
COMPRESSOR AND MAGNETIC
CLUTCH
ON-VEHICLE INSPECTION
1 .

INSPECT COMPRESSOR FOR METALLIC SOUND

Check there is abnormal metallic sound from the compressor
when the NC switch is ON.
If abnormal meta!!ic sound is heard, replace the compressor as­
sembly.
2. INSPECT REFRIGERANT PRESSURE
{See page AC-3)
3. INSPECT VISUALLY FOR LEAKAGE OF REFRIGER·
ANT
Using a gas leak detector, check for leakage of refrigerant
II there is any leakage, replace the compressor assembly.
INSPECT COMPRESSOR LOCK SENSOR RESIS­
4.
TANCE
(a} Disconnect the connector_
(b) Measure resistance between terminals 1 and 2 .
Standard resistance:
165 - 205 n at 20
If resistance is not as specified, replace the sensor.
5.
CHECK FOR LEAKAGE OF GREASE FROM CLUTCH
BEARING
6.
CHECK FOR SIGNS OF OIL ON PRESSURE PLATE OR
ROTOR
INSPECT MAGNETIC CLUTCH BEARING FOR NOISE
7.
(a) Start eng'1ne.
(b) Check for abnormal noise from the compressor when the
AJC switch is OFF.
If abnormal noise is being emitted, replace the magnetic clutch.

INSPECT MAGNETIC CLUTCH OPERATION

8.
3
(a) Disconnect the connector.
(b) Connect the positive (+) lead form the battery to terminal
and the negative (-) lead to the body ground,
(c) Check that the magnetlc clutch energized.
U
operation is not as specified, replace the magnetic clutch.
·c
{6 'F)
8
AC-35