MANIFOLD ABSOLUTE PRESSURE SENSOR ON-VEHICLE INSPECTION

PROCEDURE

  1. CHECK VACUUM SENSOR ASSEMBLY

    1. A124891E03

      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
        Table 1. Text in Illustration

        *1

        Front view of wire harness connector

        (to Vacuum Sensor)

      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.