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Intake Charge Pressure Control System Check
- 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.
- Connect the pressurized type hand vacuum pump with the three-way joint.
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
- 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.
- Blocking or releasing the boost hose end, apply the pressure. Check the pressurized state.
ENGINE STATE REFERENCE
| Engine state |
Boost hose end |
Normal state |
| Stopped: Ignition switch in "ON" position |
Opened |
Pressure leaks |
| Closed |
Pressure maintained |
| Rapid racing |
Pressure leaks |
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
- Put the ignition switch in "LOCK" (OFF) position.
- Disconnect the connector of No. 1 turbocharger wastegate solenoid or the brown connector.
- Blocking or releasing the boost hose end, apply the pressure. Check the pressurized state. Plug the boost hose end while driving.
ENGINE STATE REFERENCE
| 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 |
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
NOTE:
Unless the pressurized state is normal, the turbocharger wastegate actuator, turbocharger wastegate solenoid or the hose might have a malfunction.