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:
Display and menu icons
■ Display
Driving support system status
display area
Displays an image when the following
systems are operating and a
menu icon other than is
selected:
LTA (Lane Tracing Assist)
LDA (Lane Departure Alert)
Dynamic radar cruise control
RSA (Road Sign Assist) (if
equipped)
Content disp ...
Tire size
■ Typical tire size information
The illustration indicates typical tire size.
1 Tire use (P = Passenger car, T = Temporary use)
2 Section width (millimeters)
3 Aspect ratio (tire height to section width)
4 Tire construction code (R = Radial, D = Diagonal)
5 Wheel diameter (inches)
6 Loa ...
Combination meter assy
Overhaul
Hint: components:
1. Remove meter hood sub–assy
2. Remove combination meter assy
Remove the screw.
disengage the 2 clips as shown in the illustration.
disconnect the connector, then remove the combination
meter.
3. Remove combination meter glass
Di ...


