MANIFOLD ABSOLUTE PRESSURE SENSOR ON-VEHICLE INSPECTION

PROCEDURE


  1. CHECK VACUUM SENSOR ASSEMBLY


    1. A005789E03
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Vacuum Sensor)

      Inspect the power source voltage.


      1. Disconnect the vacuum sensor connector.

      2. Turn the ignition switch to ON.

      3. Measure the voltage according to the value(s) in the table below.

        Standard Voltage
        Tester Connection Switch Condition Specified Condition
        3 (VC) - 1 (E2) Ignition switch ON 4.5 to 5.5 V

      4. Turn the ignition switch off.

      5. Reconnect the vacuum sensor connector.

    2. Check the vacuum and pressure.


      1. Connect the intelligent tester to the DLC3.

      2. Turn the ignition switch to ON and turn the tester on.

      3. Enter the following menus: Powertrain / Engine and ECT / Data List / MAP.

      4. Read the MAP value.

        OK
        Condition Specified Condition
        No pressure applied Same as atmospheric pressure
        Vacuum applied Indicates vacuum
        Pressure applied Indicates pressure

        If the result is not as specified, replace the vacuum sensor.