[15] INTAKE AND EXHAUST - - ON-VEHICLE SERVICE - SUPERCHARGING PRESSURE CONTROL SYSTEM CHECK <Turbo> | PRINT PAGE / INDEX / PRIOR / NEXT

| SUPERCHARGING PRESSURE CONTROL SYSTEM CHECK <Turbo>
| 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.

[15] INTAKE AND EXHAUST - - ON-VEHICLE SERVICE - SUPERCHARGING PRESSURE CONTROL SYSTEM CHECK <Turbo> | PRINT PAGE / INDEX / PRIOR / NEXT

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