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:
Riding with children
Observe the following precautions
when children are
in the vehicle.
Use a child restraint system
appropriate for the child,
until the child becomes
large enough to properly
wear the vehicle's seat belt.
It is recommended that children
sit in the rear seats to
avoid accidental contact
with the ...
Screen for general settings
1 Press the “SETUP” button.
2 Select “General” on the “Setup” screen.
1 “English”, “Français” or “Español” can be selected.
2 On/off can be selected to sound beeps.
3 Select to change the screen color.
4 Select to change the keyboard layout.
5 The animatio ...
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have blown.
If this happens, check and replace the fuses as necessary.
1 Turn the engine switch off.
2 Open the fuse box cover.
► Engine compartment
Push the tab in and lift the lid off.
► Under the driver’s side i ...


