Toyota Corolla (E120) 2002–2008 Repair Manual / Heater & air conditioner / Air conditioning system / On–vehicle inspection
Toyota Corolla (E120): On–vehicle inspection
1. Inspect pressure switch no.1.

- Magnetic clutch control: inspect pressure switch operation.
- Set on the manifold gauge set.
- Connect the positive (+) lead from the ohmmeter to terminal 4 and the negative (–) lead to terminal 1.
- Check continuity between terminals when refrigerant pressure is changed, as shown in the illustration.
If operation is not as specified, replace the pressure switch.

- Cooling fan control: inspect pressure switch operation.
- Connect the positive (+) lead from the ohmmeter to terminal 2 and the negative (–) lead to terminal 3.
- Check continuity between terminals when refrigerant pressure is changed, as shown in the illustration.
If operation is not as specified, replace the pressure switch.
2. Cooler compressor assy w/magnetic clutch
- connect the positive (+) lead from the battery to terminal and the negative (–) lead to the body ground.
- check that the magnetic clutch energized.
If operation is not as specified, replace the magnet clutch assy.
Other materials:
Problem symptoms table
The suspected circuits or parts for each problem symptom are shown in the
table below. Use this table to
troubleshoot the problem when a normal code is displayed in the diagnostic
trouble code chart but the problem
is still occurring. Numbers in the table indicate the order in which the
circ ...
Windshield/windowglass/mirror
Preparation
Recomended tools
Equipment
Ssm
...
Unlocking and locking the doors from the outside
◆ Smart key system (if equipped)
Carry the electronic key to enable this function.
1 Grip the driver’s door handle to unlock the door. Grip the passenger’s door
handle to unlock all the doors.* Make sure to touch the sensor on the back of the
handle.
The doors cannot be unlocked for ...


