Mitsubishi Evolution X. Manual - part 315

 

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Mitsubishi Evolution X. Manual - part 315

 

 

PRECAUTIONS BEFORE SERVICE

TSB Revision

GENERAL

00-35

CAUTION

To prevent damage to scan tool MB991958, always turn the 
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
1. After the ignition switch is in "LOCK" (OFF) position, connect 

scan tool MB991958 to the diagnosis connector. 

2. Turn the ignition switch to the "ON" position.
3. Select  "MFI" from System select Screen of scan tool 

MB991958.

4. Select  "Special Function" from MFI Screen.
5. Select "Timing chain maintenance" from Special Function 

Screen. 

6. Select "Learned value Read&Save" from Timing chain 

maintenance Screen. 

7. Press "OK" to store the learning value file.
NOTE: When the learning value file is appropriately stored, 
"Learned value Save Complete" is shown on the screen of the 
scan tool MB991958.
NOTE: Calculating the amount of elongation of the timing chain 
by the ECM takes the time. Thus, the file cannot be stored for a 
while after the ECM initialization or replacement.
8. Replace the ECM.
9. Select "Learned value reset" from Timing chain 

maintenance Screen.

10.Select the learning value file stored during Step 3 to write 

the learning value.

NOTE: Use only the learning value file stored during Step 3 
without using any other files.
NOTE: When the learning value is appropriately written, 
"Learned value writing Completed." is shown on the screen of 
the scan tool MB991958.   

AC608435

Data link connector

MB991827

MB991824

MB991910

AB

PRECAUTIONS BEFORE SERVICE

TSB Revision

GENERAL

00-36

LEARNED VALUE RESET

Required Special Tools:

• MB991958: Scan Tool (M.U.T.-III Sub Assembly)

• MB991824: V.C.I.

• MB991827: M.U.T.-III USB Cable

• MB991910: M.U.T.-III Main Harness A

CAUTION

To prevent damage to scan tool MB991958, always turn the 
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
1. After the ignition switch is in "LOCK" (OFF) position, connect 

scan tool MB991958 to the diagnosis connector. 

2. Turn the ignition switch to the "ON" position.
3. Select  "MFI" from System select Screen of scan tool 

MB991958.

4. Select  "Special Function" from MFI Screen.
5. Select  "Timing chain maintenance" from Special Function 

Screen.

6. Select  "Learned value reset" from Timing chain 

maintenance Screen.

7. Press "OK" to reset the learning value.

AC608435

Data link connector

MB991827

MB991824

MB991910

AB

PRECAUTIONS BEFORE SERVICE

TSB Revision

GENERAL

00-37

TEST/LIMIT VALUE READOUT

Required Special Tools:

• MB991958: Scan Tool (M.U.T.-III Sub Assembly)

• MB991824: V.C.I.

• MB991827: M.U.T.-III USB Cable

• MB991910: M.U.T.-III Main Harness A

CAUTION

To prevent damage to scan tool MB991958, always turn the 
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
1. After the ignition switch is in "LOCK" (OFF) position, connect 

scan tool MB991958 to the diagnosis connector. 

2. Turn the ignition switch to the "ON" position.
3. Select  "MFI" from System select Screen of scan tool 

MB991958.

4. Select  "Special Function" from MFI Screen.
5. Select  "Timing chain maintenance" from Special Function 

Screen.

6. Select  "Test/Limit value readout" from Timing chain 

maintenance Screen.

7. Read the value of percentage (%) shown on the screen.
NOTE: The value of percentage (%) shown on the screen is the 
amount of elongation of the timing chain calculated by the ECM 
based on the learning value, and thus is not the actual amount. 
Use this for the reference only.

SERVICING ELECTRICAL SYSTEM

M1001011900433

WARNING

Battery posts, terminals and related accessories con-
tain lead and lead compounds. WASH HANDS AFTER 
HANDLING.

1. Note the following before proceeding with working on the 

electrical system. 
Never perform unauthorized modifications to any electrical 
device or wiring. Such modifications might lead to a vehicle 
malfunction, over-capacity or short-circuit that could result in 
a fire in the vehicle.

AC608435

Data link connector

MB991827

MB991824

MB991910

AB

ACX00880AB

PRECAUTIONS BEFORE SERVICE

TSB Revision

GENERAL

00-38

CAUTION

• Before connecting or disconnecting the negative bat-

tery cable, be sure to turn the ignition switch to the 
"LOCK" (OFF) position and turn off the lights (If this is 
not done, there is the possibility of semiconductor 
parts being damaged).

• After completion of the work (and the negative battery 

terminals is connected), warm up the engine and allow 
it to idle for approximately 10 minutes under the condi-
tions described below in order to stabilize engine con-
trol conditions, and then check to be sure that the idle 
is satisfactory.

• Engine coolant temperature: 85  95° C (185  203° F)
• Lights and all accessories: OFF
• Transaxle: "P" position 
• Steering wheel: straight-forward position

2. When servicing the electrical system, disconnect the 

negative cable terminal from the battery.

VEHICLE WASHING

M1001012000660

1. If high-pressure car-washing equipment or steam car-wash-

ing equipment is used to wash the vehicle, be sure to main-
tain the spray nozzle at a distance of at least approximately 
40cm (16 in.) from any plastic parts and all opening parts 
(doors, luggage compartment, etc.).

2. If high-pressure car-washing equipment or steam car-wash-

ing equipment is used to wash the vehicle, be sure to 
observe the following instructions to prevent damages to 
the plastic parts.

• Spray nozzle distance: Approximately 40 cm (16 in.) or 

more

• Spray pressure: 3,900 kPa or less

• Spray temperature: 82 ° C (180° F) or less

• Time of intensive spraying to one point: Within 30 sec-

onds

APPLICATION OF ANTI-CORROSION AGENTS 
AND UNDERCOATS

M1001011000117

Be careful not to apply oil or grease to the heated oxygen sen-
sor. If applied, the sensor may malfunction. Protect the heated 
oxygen sensor with a cover before applying anti-corrosion 
agent, etc.

ACX00881AK

Approximately
40 cm (16 in.) or more

 

 

 

 

 

 

 

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