VACUUM SENSOR ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT E.F.I. VACUUM SENSOR ASSEMBLY (MANIFOLD ABSOLUTE PRESSURE SENSOR)

   
   

   1. Check the power source voltage.

      
      

      1. Disconnect the E.F.I. vacuum sensor assembly (manifold absolute pressure sensor) connector.

      2. Turn the power switch on (IG).

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

         Standard Voltage
         Tester Connection Condition Specified Condition D11-3 (VC) - D11-2 (E2) IG ON 4.75 to 5.25 V D11-1 (PIM) - D11-2 (E2) IG ON 3.0 to 5.25 V

   2. Check the intake manifold pressure.

      
      

      1. Connect the GTS to the DLC3.

      2. Turn the power switch on (IG).

      3. Turn the GTS on.

      4. Enter the following menus: Powertrain / Engine / Data List / Intake Manifold Absolute Pressure.

         
         Powertrain > Engine > Data List

         Tester Display
         Intake Manifold Absolute Pressure

      5. Read the E.F.I. vacuum sensor value.

         OK
         Same value as the actual atmospheric pressure

         Tech Tips

         
         

         • Standard atmospheric pressure is 101 kPa (abs) [758 mmHg (abs)].

         • For every 100 m (328 ft.) increase in altitude, pressure drops by 1 kPa (7.5 mmHg).