)
- Disconnect the hose (white paint mark) from the turbocharger waste gate solenoid valve and connect a three-way joint between the hose and the solenoid valve.
- Connect a hand vacuum pump to the three-way joint.
)
- Disconnect the hose from the turbocharger waste gate actuator control boost nipple and plug the nipple.
- Applying a negative pressure with the hand vacuum pump, check tightness both when the hose end is closed and when it is open.
| Engine state |
Hose end |
Normal state |
|---|---|---|
| Stop (Ignition switch: ON) |
Opened |
Negative pressure leaks. |
| Closed |
Negative pressure is maintained. |
|
| Idling (after warm-up) |
Negative pressure leaks. |
NOTE: If this check indicates an abnormal condition;
the turbocharger waste gate actuator, turbocharger
waste gate solenoid or hose is broken.