Mitsubishi Lancer Evolution 8 MR. Manual — part 15
INTAKE – EXHAUST – VEHICLE SERVICING
15-2
1) Wastegate actuator misoperation
2) Wastegate valve misoperation
3) Wastegate actuator rubber hose detachment, cracking.
2. Boost pressure control system inspection <6M/T>
Note
The driving test, which is done with the throttle fully open,
must be done in a safe place with two people in the vehicle.
The person sitting in the passenger seat should take the
reading of the values on the pressure gauge.
(1) Remove hose (black) from No.1 wastegate solenoid valve, then
connect a three-way coupling between the hose and the
solenoid valve.
(2) Connect a hand vacuum pump to the three-way coupling.
(3) Remove boost hose from the wastegate actuator control boost
nipple on the air outlet fitting, and fit a plug over the nipple.
(4) Apply a vacuum whilst covering and releasing the tip of the
hose to check the vacuum condition.
(5) Ignition switch to “LOCK” (OFF) position.
(6) Remove wastegate solenoid valve connector.
(7) Apply a vacuum whilst covering and releasing the tip of the
hose, to check the vacuum condition (stop the hose tip with a
plug when driving).
Note
When vacuum condition is not normal, it may be assumed that
there is a problem with the wastegate actuator, wastegate solenoid
valve, or hose.
Engine condition
Boost hose tip
Normal condition
Stop (ignition
switch: “ON”
position)
Released
Vacuum leaks
Covered
Vacuum is maintained
Idle running after
warming up.
Vacuum leaks
Engine condition
Boost hose tip
Normal condition
Stop (ignition switch:
“ON” position)
Released
Vacuum leaks
Covered
Vacuum is maintained
Accelerating with
throttle full open in
2nd gear (at least
3500rpm)
Vacuum leaks
Air cleaner
No.1 Wastegate
solenoid valve
No.2 Wastegate
solenoid valve
Wastegate
actuator
Boost hose
INTAKE, EXHAUST – AIR CLEANER
15-3
Air Cleaner
Removal and Fitting
Note
The parts marked with a
★
symbol are plastic components which contain recycled paper. Please note the following:
•
When fixing or removing, or after fitting parts, be careful not to knock or apply force to these components.
•
When assembling, fix the air cleaner body ASSY securely to the air cleaner cover using the clamp on the body.
Remarks
Parts marked with a
★
symbol use plastic that may contain recycled paper, so when scrapped are burnable.
Removal procedure
1. Battery
2. Air duct
3. Air flow sensor connector
4. Air cleaner assembly
5. Air flow sensor
6. Gasket
7. Air cleaner cover
8. Air cleaner element
9. Air cleaner body assembly
10. Vacuum hose
• Air pipe E, air hose D, air by-pass valve
assembly, air by-pass hose.
• Oil level gauge assembly
11. Air intake hose
12. Wastegate solenoid valve connector
13. Vacuum hose connection
14. Wastegate solenoid valve assembly
15. Air cleaner bracket
<Memo>
SECTION 22
CONTENTS
General. . . . . . . . . . . . . . 1
Troubleshooting . . . . . . . . . . .1
General
The following troubleshooting items have been changed along with the changes to the wiring. Troubleshooting points other than
those mentioned below remain unchanged, and are the same as on the existing Lancer Evolution VII/VIII.
Troubleshooting
1. Diagnosis Code List
MANUAL TRANSMISSION – GENERAL, TROUBLESHOOTING
22-1
Diagnosis code no.
Diagnosis item
Page ref.
12
Power supply voltage (valve power supply) system
Broken wire or short
22-2
21
Vehicle wheel speed sensor <FR> system <ACD fitted vehicles>
Broken wire or short
22-3
22
Vehicle wheel speed sensor <FL> system <ACD fitted vehicles>
Broken wire or short
22-3
23
Vehicle wheel speed sensor <RR> system <ACD fitted vehicles>
Broken wire or short
22-3
24
Vehicle wheel speed sensor <RL> system <ACD fitted vehicles>
Broken wire or short
22-3
25
Abnormal diameter tyres <ACD fitted vehicle>
22-5
26
Vehicle wheel speed sensor system (output signal abnormal) <ACD fitted vehicles>
22-6
41
TPS system
Broken wire or earthing
22-7
42
Short
22-7
45
Pressure sensor system
Broken wire or earthing
22-8
46
Earth wire broken
22-8
47
Abnormal power supply
22-9
51
Longitudinal G sensor system
Broken wire or short
22-10
52
Sensor malfunction
22-11
56
Lateral G sensor system
Broken wire or short
22-12
57
Sensor malfunction
22-13
61
Stop lamp switch system
Broken wire
22-14
62
ACD mode switch system
Sticking
22-15
63
Parking brake switch system
Short or failing to return
22-16
65
ABS monitor system <ACD+AYC fitted vehicles>
Broken wire or ABS failure
22-17
74
Proportional control valve <ACD> system
Broken wire or short
22-18
81
Electrical pump relay system
Broken wire or short
22-18
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