2004 MITSUBISHI LANCER EVOLUTION VIII catalytic converter

ENGINE (4G6) – GENERAL, BASE ENGINE (6 M/T)19
1. O2 sensor2. Air flow sensor3. Air intake sensor4. Throttle position
sensor
5. Cam position sensor6. Crack angle sensor7. Atmospheric pressure
sensor
8. Water temperature
sensor
9. Knock sensor•Power supply
• Ignition switch IG
•Ignition switch ST
•Vehicle speed sensor
• A/C switch
1. Injector2. ISC servo (stepper
motor)
3. Fuel pressure control
solenoid valve
4. No.1 wastegate solenoid
valve
5. No.2 wastegate solenoid
valve
6. Purge control solenoid
valve
7. Secondary air control
solenoid valve•Engine control relay
•Fuel pump relay 2, 3
•A/C relay
•Ignition coil
• Fan controller
Engine ECU
6. Purge control
solenoid valveCanister
7. Secondary air
control solenoid valveFrom fuel tank
Secondary
air valveBypass
valve
1. O2sensor
3. Fuel pressure
control solenoid valve
4. Throttle
position
sensor
7. Atmospheric pressure
sensor
3. Air intake
sensor2. Air flow sensor
4. No.1
wastegate
solenoid valve
5. No.2 wastegate
solenoid valve
Only operates on 6M/TWastegate actuatorFuel pressure
regulator
1. Injector5.Cam position sensor8.Water temperature sensor
9.Knock sensor
Crack angle sensor
Catalytic converter Air
intakeCheck
valve
2. ISC servo
Vacuum
tank
From fuel
pump To fuel
tank
Control system diagram

MPI General13A2
General
Service information issued contains the changes noted below. Other service details remain unchanged.
• Change from one to two wastegate solenoid valves. However, the No.2 wastegate solenoid valve on the 5 M/T is not
functional.
• Diagnosis code No. P1500 changed to P0622. <6M/T>
MPI system diagram
1.O2 sensor2. Air flow sensor3. Air intake sensor4. Throttle position
sensor
5. Cam position sensor6. Crack angle sensor7.Barometric pressure
sensor
8. Water temperature
sensor
9. Knock sensor•Power supply
• Ignition switch IG
• Ignition switch ST
•Vehicle speed sensor
• A/C switch
• A/C load signal
•Power steering fluid
pressure switch
•Alternator FR signal
•Intercooler water spray
switch (auto)
•Intercooler water spray
switch (manual)
1.Injector2. ISC servo (stepper
motor)
3.Fuel pressure control
solenoid valve
4.No.1 wastegate solenoid
valve
5. No.2 wastegate solenoid
valve
6. Purge control solenoid
valve
7. Secondary air control
solenoid valve•Engine control relay
•Fuel pump relay 2, 3
• A/C relay
•Ignition coil
• Fan controller
• Condenser fan relay (HI)
•Condenser fan relay
(LOW)
•Engine warning lamp
•Diagnosis output
• Alternator G terminal
•Intercooler water spray
relay
•Intercooler water spray
lamp
Engine ECU
6.Purge control
solenoid valveCanister
7.Secondary air
control solenoid valveFrom fuel tank
Secondary
air valveBypass
valve
1. O2sensor
3.Fuel pressure
control solenoid valve
4.Throttle
position
sensor
7. Barometric pressure
sensor
3. Air intake
sensor2. Air flow sensor
4. No.1
wastegate
solenoid valve
5.No.2 wastegate
solenoid valve
Only operates on 6M/TWastegate actuatorFuel pressure
regulator
1. Injector5.Cam position sensor8.Water temperature sensor
9.Knock sensor
Crack angle sensor
Catalytic converter Air
intakeCheck
valve
2.ISC servo
Vacuum
tank
From fuel
pump To fuel
tank