Magnetic Clutch Test; Receiver Drier Test; Compressor Drive Belt Adjustment; Dual Pressure Switch Check - Mitsubishi Pajero Pinin 1999 Workshop Manual

HEATER, AIR CONDITIONER AND VENTILATION
Dual pressure
switch
LOW-PRESSURE
SIDE
ON
OFF
177 20 186 20
2,050

MAGNETIC CLUTCH TEST

1. Disconnect the connector (1-pin) to the magnetic clutch.
2. Connect battery (+) voltage directly to the connector for
3. If the magnetic clutch is normal, there will be ªclickº. If

RECEIVER DRIER TEST

Operate the unit and check the piping temperature by touching
the receiver drier outlet and inlet.
If there is a difference in the temperatures, the receiver drier
is restricted.
Replace the receiver drier.

COMPRESSOR DRIVE BELT ADJUSTMENT

Refer to GROUP 11 ± On-vehicle Service.

DUAL PRESSURE SWITCH CHECK

1. Remove the dual pressure switch connector and connect
2. Install a gauge manifold to the high
3. When the high/low pressure sides of the dual pressure
HIGH-PRESSURE
SIDE
2,650
200 200
kPa
±
the magnetic clutch.
the pulley and armature do not make contact (`click'), there
is a malfunction.
the high/low pressure side terminals located on the harness
side as shown in the illustration.
valve of the refrigerant line. (Refer to Performance Test.)
switch are at operation pressure (ON) and there is
continuity between the respective terminals, then the
condition is normal. If there is no continuity, replace the
switch.
On-vehicle Service
pressure side service
-
55-9