Toyota Corolla (E120): On–vehicle inspection

1. Inspect pressure switch no.1.

  1. Magnetic clutch control: inspect pressure switch operation.
  1.  Set on the manifold gauge set.
  2.  Connect the positive (+) lead from the ohmmeter to terminal 4 and the negative (–) lead to terminal 1.
  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.

  1. Cooling fan control: inspect pressure switch operation.
  1. Connect the positive (+) lead from the ohmmeter to terminal 2 and the negative (–) lead to terminal 3.
  2.  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

  1.  connect the positive (+) lead from the battery to terminal and the negative (–) lead to the body ground.
  2.  check that the magnetic clutch energized.

If operation is not as specified, replace the magnet clutch assy.

    Share this page:

    Other materials:

    SRS airbags
    The SRS airbags inflate when the vehicle is subjected to certain types of severe impacts that may cause significant injury to the occupants. They work together with the seat belts to help reduce the risk of death or serious injury. SRS airbag system ■ Location of the SRS airbags SRS front airbags ...

    Inspection
    1. Headlamp dimmer switch assy Inspect light control switch continuity.  Measure the resistance according to the value(s) in the table below. Standard: Inspect headlight dimmer switch continuity.  Measure the resistance according to the value(s) in the tabl ...

    Inspection procedure
    Hint: start the inspection from step 1 in case of using the hand–held tester and start from step 2 in case of not using the hand–held tester. 1 Read value of hand–held tester(skid control sensor) Check that there is no difference between the speed value output from the speed sensor ...