EGR COOLER (w/o DPF) INSPECTION


  1. INSPECT NO. 2 VACUUM SWITCHING VALVE


    1. A003E77E04

      Measure the resistance between the terminals.

      Standard Resistance
      Tester Connection Condition Specified Condition
      1 - 2 20°C (68°F) 33 to 39 Ω

      If the result is not as specified, replace the No. 2 vacuum switching valve.

    2. A003DOME02

      Apply battery voltage across the terminals and check that air flows from E to F.

      Standard
      Inspection Condition Air Flow
      Battery voltage applied Air flows
      Battery voltage not applied Air does not flow

      If the result is not as specified, replace the No. 2 vacuum switching valve.

  2. INSPECT NO. 2 EGR VALVE ASSEMBLY


    1. A003CHHE02

      Check that the valve operates by applying a vacuum to the diaphragm.

      Standard
      Conditions Operation
      6.7 kPa (50.2 mmHg, 1.97 in.Hg) or higher H side of valve closes
      33.3 kPa (249.8 mmHg, 9.8 in.Hg) or less C side of valve opens

    2. Check that the indicator needle does not drop when a vacuum of 59 kPa (443 mmHg, 17.4 in.Hg) or higher is applied to the diaphragm chamber using a vacuum pump.