Mitsubishi Evolution X. Manual — part 306
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-201
DTC SET CONDITIONS
Logic Flow Chart
.
Check Conditions
• Engine coolant temperature is between −10° C
(14
° F) and 60° C (140° F) when the engine is
started.
• Intake air temperature is −10° C (14° F) or higher
when the engine is started.
• The intake air temperature when the engine is
started
− intake air temperature is 5° C (9° F) or
less.
• The total time of the mass airflow sensor output
whose state is below 14 g/sec within 550 sec-
onds.
Judgement Criteria
• The time for the engine coolant temperature to
rise to 77
° C (171° F) takes longer than approxi-
mately 9.5 to 43.5 minutes.
.
FAIL-SAFE AND BACKUP FUNCTION
• None
.
OBD-II DRIVE CYCLE PATTERN
Refer to Diagnostic Function
− OBD-II Drive Cycle −
Pattern 9
.
.
TROUBLESHOOTING HINTS (The most
likely causes for this code to be set are:)
• The engine cooling system is faulty.
• ECM failed.
End
No
No
Malfunction
Good
Specified time has passed
after engine start?
Engine coolant temp.
>= 77˚C (171˚F)
No
AK604325
Start
Yes
Yes
Yes
Monitoring
conditions
MULTIPORT FUEL INJECTION (MFI) DIAGNOSIS
TSB Revision
MULTIPORT FUEL INJECTION (MFI)
13A-202
DIAGNOSIS
STEP 1. Check the cooling system.
Refer to GROUP 14, Engine Cooling Diagnosis
Q: Is the cooling system normal?
YES : Replace the ECM. When the ECM is replaced,
register the ID code. Refer to GROUP 42B, ID Code
Registration Necessity Judgment Table <Vehicles
with KOS>
or GROUP 42C, ID Codes
Registration Judgment Table <Vehicles with WCM>
. Then go to Step 2.
NO : Repair it. Then go to Step 2.
STEP 2. Test the OBD-II drive cycle.
(1) Carry out test drive with the drive cycle pattern. Refer to
Diagnostic Function
− OBD-II Drive Cycle − Pattern 9
(2) Check the diagnostic trouble code (DTC).
Q: Is DTC P0128 set?
YES : Retry the troubleshooting.
NO : The inspection is complete.
00-1
GROUP 00
GENERAL
CONTENTS
HOW TO USE THIS MANUAL. . . . . .
TROUBLESHOOTING
GUIDELINES . . . . . . . . . . . . . . . . . . .
HOW TO USE TROUBLESHOOTING/
INSPECTION SERVICE POINTS. . . .
TROUBLESHOOTING CONTENTS . . . . . .
HOW TO USE THE INSPECTION
PROCEDURES. . . . . . . . . . . . . . . . . . . . . .
CONNECTOR MEASUREMENT SERVICE
POINTS. . . . . . . . . . . . . . . . . . . . . . . . . . . .
CONNECTOR INSPECTION SERVICE
POINTS. . . . . . . . . . . . . . . . . . . . . . . . . . . .
HOW TO COPE WITH INTERMITTENT
MALFUNCTIONS . . . . . . . . . . . . . . . . . . . .
HOW TO TREAT PAST TROUBLE . . . . . .
INSPECTION SERVICE POINTS FOR A
BLOWN FUSE . . . . . . . . . . . . . . . . . . . . . .
VEHICLE IDENTIFICATION . . . . . . .
VEHICLE IDENTIFICATION NUMBER
PLATE. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MODELS . . . . . . . . . . . . . . . . . . . . . . . . . . .
CHASSIS NUMBER . . . . . . . . . . . . . . . . . .
ENGINE MODEL STAMPING. . . . . . . . . . .
VEHICLE IDENTIFICATION CODE
PLATE. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TIRE AND LOADING INFORMATION
PLACARD . . . . . . . . . . . . . . . . . . . . . . . . . .
VEHICLE SAFETY CERTIFICATION
LABEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NATIONAL SAFETY MARK <CANADA> . .
THEFT PROTECTION LABEL . . . . . . . . . .
PRECAUTIONS BEFORE SERVICE .
CAUTIONS FOR WORKING IN ENGINE
COMPARTMENT . . . . . . . . . . . . . . . . . . . .
SUPPLEMENTAL RESTRAINT SYSTEM
(SRS). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HOW TO PERFORM VEHICLE IDENTIFICATION
NUMBER (VIN) WRITING . . . . . . . . . . . . . .
INITIALIZATION PROCEDURE FOR LEARNING
VALUE IN MFI ENGINE . . . . . . . . . . . . . . .
ENGINE IDLING LEARNING
PROCEDURE . . . . . . . . . . . . . . . . . . . . . . .
TIMING CHAIN MAINTENANCE. . . . . . . . .
SERVICING ELECTRICAL SYSTEM . . . . .
VEHICLE WASHING . . . . . . . . . . . . . . . . . .
APPLICATION OF ANTI-CORROSION
AGENTS AND UNDERCOATS . . . . . . . . . .
SCAN TOOL (MULTI USE TESTER { M.U.T.-III }
SUB ASSEMBLY) . . . . . . . . . . . . . . . . . . . .
CODING LIST . . . . . . . . . . . . . . . . . . . . . . .
BOLTS AND NUTS WITH STABILIZER FOR
COEFFICIENT OF FRICTION. . . . . . . . . . .
TOWING AND HOISTING. . . . . . . . . .
Continued on next page
00-2
GENERAL DATA AND
SPECIFICATIONS . . . . . . . . . . . . . . .
TIGHTENING TORQUE . . . . . . . . . . .
LUBRICATION AND
MAINTENANCE . . . . . . . . . . . . . . . . .
RECOMMENDED LUBRICANTS AND
LUBRICANT CAPACITIES TABLE . .
SCHEDULED MAINTENANCE
TABLE . . . . . . . . . . . . . . . . . . . . . . . .
MAINTENANCE SERVICE . . . . . . . .
1. FUEL SYSTEM (TANK, PIPE LINE AND
CONNECTION, AND FUEL TANK FILLER TUBE CAP)
(CHECK FOR LEAKS) . . . . . . . . . . . . . . . .
2. FUEL HOSES (CHECK CONDITION) . .
3. AIR CLEANER ELEMENT (REPLACE) .
4. EVAPORATIVE EMISSION CONTROL SYSTEM
(EXCEPT EVAPORATIVE EMISSION CANISTER)
(CHECK FOR LEAKS AND CLOGGING) . .
5. SPARK PLUGS (REPLACE). . . . . . . . . .
6. INTAKE AND EXHAUST VALVE CLEARANCE
(INSPECT AND ADJUST). . . . . . . . . . . . . .
7. DRIVE BELT (FOR THE GENERATOR AND
POWER STEERING OIL PUMP)
(REPLACE) . . . . . . . . . . . . . . . . . . . . . . . . .
8. EXHAUST SYSTEM (CONNECTIONS
PORTION OF MUFFLER, MUFFLER PIPES
AND CONVERTER HEAT SHIELDS)
(CHECK AND SERVICE) . . . . . . . . . . . . . .
9. ENGINE OIL (CHANGE). . . . . . . . . . . . .
10. ENGINE OIL FILTER (REPLACE) . . . .
11. MANUAL TRANSAXLE OIL (CHECK OIL
LEVEL AND CONDITION/RCHANGE) . . . .
12. TWIN CLUTCH SPORTRONIC SHIFT
TRANSMISSION [CHECK OIL LEAKS (IF
NECESSARY, CHECK THE OIL LEVEL) /
CHANGE] . . . . . . . . . . . . . . . . . . . . . . . . . .
13. TRANSFER OIL
(CHECK OIL LEVEL/CHANGE) . . . . . . . . .
14. RESERVE TANK FLUID (FOR ACTIVE
CENTER DIFFERENTIAL AND ACTIVE YAW
CONTROL SYSTEM)
(CHECK FLUID LEVEL) . . . . . . . . . . . . . . .
15. ENGINE COOLANT (CHANGE) . . . . . .
16. COOLANT HOSES (RADIATOR HOSE,
HEATER HOSE) (INSPECT). . . . . . . . . . . .
17. DISK BRAKE PADS AND ROTORS
(INSPECT FOR WEAR) . . . . . . . . . . . . . . .
18. BRAKE HOSES (CHECK FOR
DETERIORATION OR LEAKS) . . . . . . . . . .
19. BALL JOINT AND STEERING LINKAGE
SEALS (INSPECT FOR GREASE LEAKS AND
DAMAGE) . . . . . . . . . . . . . . . . . . . . . . . . . .
20. DRIVE SHAFT BOOTS (INSPECT FOR
GREASE LEAKS AND DAMAGE). . . . . . . .
21. SUSPENSION SYSTEM (INSPECT FOR
LOOSENESS AND DAMAGE) . . . . . . . . . .
22. REAR AXLE OIL (FOR DIFFERENTIAL
PART) (CHANGE) . . . . . . . . . . . . . . . . . . . .
23. REAR AXLE OIL (FOR TORQUE TRANSFER
MECHANISM PART) (CHANGE) . . . . . . . .
24. TIRES (ROTATE) . . . . . . . . . . . . . . . . .
25. AIR PURIFIER FILTER (REPLACE) . . .
MAIN SEALANT AND ADHESIVE
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