Waste Gate Solenoid Valve Check; Air Bypass Valve Check - Mitsubishi Electric Lancer Evolution-VII Workshop Manual

A
B
Battery
INTAKE AND EXHAUST -
3. If there is a significant deviation from the standard value,

WASTE GATE SOLENOID VALVE CHECK

OPERATION CHECK
1. Connect a hand vacuum pump to the solenoid valve nipple
2. Using a jumper wire, connect between the solenoid valve
3. Connecting and disconnecting the jumper wire at the
COIL RESISTANCE CHECK
Measure the resistance between solenoid valve terminals.
Standard value: 29 – 35 Ω (at 20_C)

AIR BYPASS VALVE CHECK

1. Remove the air bypass valve.
2. Connect the hand vacuum pump to the nipple of the
3. Apply a negative pressure of approximately 49 kPa, and
4. Also check operation of the valve.
On-vehicle Service
check the actuator or the waste gate valve: replace
actuator or turbocharger assembly if necessary.
A.
terminal and battery terminal.
battery negative terminal to apply a negative pressure,
check tightness.
Jumper wire B nipple
condition
Connected Opened
Closed
Disconnected Opened
air bypass valve.
check that air tightness is maintained.
Standard value:
Negative pressure
Approximately 53 kPa
15-5
Normal condition
Negative pressure leaks.
Negative pressure is held.
Negative pressure is held.
Valve operation
It starts opening