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Home >> Mitsubishi >> 2015 >> Lancer Evolution Final Edition >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Intake & Exhaust System - Lancer Evolution) >> On-Vehicle Service >> Intake Charge Pressure Control System Check
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Intake Charge Pressure Control System Check

WARNING: This page is about a different variant/trim than selected.
  1. Removing the black hose from the No. 1 turbocharger wastegate solenoid or the brown connector, connect three-way joint between the hose and the solenoid.
  2. Connect the pressurized type hand vacuum pump with the three-way joint.
    Fig 1: Checking Intake Charge Pressure Control System
    G09640939Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  3. Use the turbocharger wastegate actuator control boost nipple of air outlet fitting to remove the boost hose. Plug this nipple.
    CAUTION: Do not apply the pressure of 117 kPa or more to prevent the diaphragm damage.
  4. Blocking or releasing the boost hose end, apply the pressure. Check the pressurized state.
    Fig 2: Identifying Turbocharger Wastegate Actuator And Boost Hose
    G09640940Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Engine state Boost hose end Normal state
    Stopped: Ignition switch in "ON" position Opened Pressure leaks
    Closed Pressure maintained
    Rapid racing Pressure leaks
  5. Put the ignition switch in "LOCK" (OFF) position.
  6. Disconnect the connector of No. 1 turbocharger wastegate solenoid or the brown connector.
  7. Blocking or releasing the boost hose end, apply the pressure. Check the pressurized state. Plug the boost hose end while driving.
    Fig 3: Identifying No. 1 Turbocharger Wastegate Solenoid Valve
    G09640941Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Engine state Boost hose end Normal state
    Stopped: Ignition switch in "ON" position Opened Pressure leaks
    Closed Pressure maintained
    4, 000 r/min after warming up engine Pressure leaks
    NOTE: Unless the pressurized state is normal, the turbocharger wastegate actuator, turbocharger wastegate solenoid or the hose might have a malfunction.