FUEL SYSTEM ON-VEHICLE INSPECTION


  1. CHECK FUEL LEAK


    1. Connect an intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the tester on.

    4. Enter the following menus: Powertrain / Engine / Active Test.

    5. Perform the Active Test.

      Intelligent Tester Display Test Details Control Range Diagnostic Notes
      Test the Fuel Leak Pressurize common rail internal fuel pressure, and check for fuel leaks Stop/Start

      Perform inspection of the high pressure fuel system.

      Test is possible when the following conditions are met:


      • Warmed up engine.

      • Vehicle is stopped.

      • Battery voltage is 12 V or more.

      • PM regeneration is not operating.

      • Engine speed is less than 4000 rpm.

      Results of real-vehicle check:


      • Engine Speed: 2702 rpm


      • Fuel Pressure: 108570 kPa


      • Target Common Rail Pressure: 105500 kPa


      • Target Pump SCV Current: 1.2 A


      • MAP: 127 kPa


      • MAF: 28 g/sec.