Air Conditioning Pressure Sensor (For Hatchback) On-Vehicle Inspection

Vehicle Interior. Yaris. Ncp93, 131

Heating Air Conditioning. Yaris. Ncp93, 131

INSPECT AIR CONDITIONER PRESSURE SENSOR

Air Conditioning Pressure Sensor (For Hatchback) -- On-Vehicle Inspection

1. INSPECT AIR CONDITIONER PRESSURE SENSOR

Yaris. Ncp93, 131.Heating Air Conditioning.Air Conditioning System (For Sedan).Air Conditioning Pressure Sensor (For Hatchback) On-Vehicle Inspection

Check the wire harness.
Text in Illustration
*a
Front view of wire harness connector
(to Air Conditioner Pressure Sensor)
1. Disconnect the A60 air conditioner pressure sensor connector.
2. Measure the resistance according to the value(s) in the table below.
  Standard Resistance:
  Tester Connection
  Condition
  Specified Condition
  A60-1 (-) - Body ground
  Always
  Below 1 Ω
3. Turn the ignition switch to ON.
4. Measure the voltage according to the value(s) in the table below.
  Standard Voltage:
  Tester Connection
  Switch Condition
  Specified Condition
  A60-3 (+) - Body ground
  Ignition switch ON
  4.75 to 5.25 V

Yaris. Ncp93, 131.Heating Air Conditioning.Air Conditioning System (For Sedan).Air Conditioning Pressure Sensor (For Hatchback) On-Vehicle Inspection

Check the air conditioner pressure sensor.
Text in Illustration
*a
Component with harness connected
(Air Conditioning Amplifier Assembly)
1. Set the manifold gauge.
2. Connect the connector to the air conditioner pressure sensor.
3. Warm up the engine.
4. A/C switch on.
5. Using a voltmeter, measure the voltage between connector terminals 7 (PRE) and 5 (SG-2) of the air conditioning amplifier assembly.
  HINT:
  Check from the rear of the connector while it is connected to the air conditioning amplifier assembly.
  Standard Voltage:
  Tester Connection
  Refrigerant Pressure
  Specified Condition
  D130-7 (PRE) - D130-5 (SG-2)
  0.196 to 3.14 MPa
  (2.0 to 32 kgf/cm², 28 to 455 psi)
  0.66 to 4.88 V