Toyota Celica 2005 Repair Manual page 2475

4
1
2
3
Magnetic Clutch Control
Low Pressure Side
ON (Continuity)
196 kPa
2
(32.0 kgf·cm
(2.0 kgf·cm , 28 pis)
OFF (No Continuity)
OFF (No Continuity)
Condenser Fan Control
1,520 kPa
(15.5 kgf·cm
ON
(Continuity)
1,226 kPa
2
(12.5 kgf·cm , 178 pis)
2005 CELICA (RM1131U)
AIR CONDITIONING
I13005
High Pressure Side
3,140 kPa
2
, 455 pis)
Z13470
2
, 220 pis)
OFF
(No Continuity)
Z13471
− PRESSURE SWITCH
PRESSURE SWITCH
ON−VEHICLE INSPECTION
1. SET ON MANIFOLD GAUGE SET
(See page AC−19)
2. DISCONNECT CONNECTOR FROM PRESSURE
SWITCH
3. RUN ENGINE AT APPROX. 1,500 RPM
4. Magnetic clutch control:
INSPECT PRESSURE SWITCH OPERATION:
(a) Connect the positive (+) lead from the ohmmeter to termi-
nal 4 and the negative (−) lead to terminal 1.
(b) Check continuity between terminals when refrigerant
pressure is charged, as shown in the illustration.
If operation is not as specified, replace the pressure switch.
5. Condenser fan control:
INSPECT PRESSURE SWITCH OPERATION
(a) Connect the positive (−) lead from the ohmmeter to termi-
nal 2 and the negative (−) lead to terminal 3.
(b) Check continuity between terminals when refrigerant
pressure is changed, as shown in the illustration.
If operation is not as specified, replace the pressure switch.
6. STOP ENGINE AND SET OFF MANIFOLD GAUGE SET
7. CONNECT CONNECTOR TO PRESSURE SWITCH
2474
AC−51
AC1GU−10