Mitsubishi Evolution X. Manual — part 886

REAR AXLE DIAGNOSIS <EXCEPT AYC>

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REAR AXLE

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INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS

INSPECTION PROCEDURE 1: Noise during Wheel Rotation <DRIVESHAFT>

DIAGNOSIS

STEP 1. Check the wheel bearing end play.

AC703428 AB

(1) Remove the caliper assembly, and suspend the caliper

assembly with a wire and remove the brake disc.

(2) Fit the dial gauge as shown in the diagram and move the

hub in the axial direction to measure the play.

Limit: 0.05 mm (0.002 inch)

Q: Is the wheel bearing end play within the limit?

YES : Go to step 2.
NO : Replace the part, then go to Step 4.

STEP 2. Check if the driveshaft is bent.
Q: Is the driveshaft bent?

YES : Replace the part. Then go to Step 3.
NO : Go to Step 4.

STEP3. Check the driveshaft assembly for wear or
damage.
Q: Is the driveshaft assembly worn or damaged?

YES : Replace the driveshaft assembly. Then go to Step 4.
NO : There is no action to be taken.

STEP 4. Retest the system.
Q: Is the abnormal noise eliminated?

YES : The procedure is complete.
NO : Start over at Step 1.

INSPECTION PROCEDURE 8: Oil Leakage <DIFFERENTIAL>

DIAGNOSIS

STEP 1. Check the cover installation.
Q: Is the cover installed correctly?

YES : Go to Step 2.
NO : Repair. Then go to Step 4.

STEP 2. Check the oil seal for wear or damage.
Q: Is the oil seal worn or damaged?

YES : Replace the seal. Then go to Step 4.
NO : Go to Step 3.

REAR AXLE DIAGNOSIS <AYC>

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REAR AXLE

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STEP 3. Check the oil level.

AC102739

6 mm
(0.2 in)

Upper
limit

Lower
limit

Gear oil

Remove the filler plug and check the gear oil level.
Q: Is the gear oil level more than 6 mm (0.2 inch) below the

bottom of the filler plug hole?
YES : Refill the specified lubricant.

Differential mechanism part: MITSUBISHI Genuine
DIA QUEEN LSD gear oil

Torque transfer mechanism part: DIAMOND ATF SP
III

Then go to Step 4 .

NO : Go to Step 4.

STEP 4. Retest the system.
Q: Is there oil leakage?

YES : Start over at Step 1.
NO : The procedure is complete.

REAR AXLE DIAGNOSIS <AYC>

STANDARD FLOW OF DIAGNOSTIC TROUBLESHOOTING

M1271004200325

Refer to GROUP 00

− Troubleshooting Contents

P.00-7

DIAGNOSTIC FUNCTION

M1271006600017

HOW TO CONNECT THE SCAN TOOL (M.U.T.-III)

Required Special Tools:

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

• MB991824: Vehicle Communication Interface (V.C.I.)

• MB991827: M.U.T.-III USB Cable

• MB991910: M.U.T.-III Main Harness A (Vehicles with

CAN communication system)

AC608435

Data link connector

MB991827

MB991824

MB991910

REAR AXLE DIAGNOSIS <AYC>

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REAR AXLE

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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. Ensure that the ignition switch is at the "LOCK" (OFF)

position.

2. Start up the personal computer.
3. Connect special tool MB991827 to special tool MB991824

and the personal computer.

4. Connect special tool MB991910 to special tool MB991824.
5. Connect special tool MB991910 to the data link connector.
6. Turn the power switch of special tool MB991824 to the "ON"

position.
NOTE: When special tool MB991824 is energized, special
tool MB991824 indicator light will be illuminated in a green
color.

7. Start the M.U.T.-III system on the personal computer.
NOTE: Disconnecting scan tool MB991958 is the reverse of the
connecting sequence, making sure that the ignition switch is at
the "LOCK" (OFF) position.

HOW TO READ AND ERASE DIAGNOSTIC
TROUBLE CODES

Required Special Tools:

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

• MB991824: Vehicle Communication Interface (V.C.I.)

• MB991827: M.U.T.-III USB Cable

• MB991910: M.U.T.-III Main Harness A (Vehicles with

CAN communication system)

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.
NOTE: If the battery voltage is low, diagnostic trouble codes will
not be set. Check the battery if scan tool MB991958 does not
display.
1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Select "System select" from the start-up screen.
4. Select "From 2006 MY" of "Model Year." When the "Vehicle

Information" is displayed, check the contents.

5. Select "ETACS" from "System List", and press the "OK"

button.
NOTE: When the "Loading Option Setup" list is displayed,
check the applicable item.

6. Select "Diagnostic Trouble Code."
7. If a DTC is set, it is shown.
8. Choose "Erase DTCs" to erase the DTC.

REAR AXLE DIAGNOSIS <AYC>

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REAR AXLE

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DIAGNOSTIC TROUBLE CODE CHART

M1271006700014

CAUTION

During diagnosis, a DTC code associated with other systems may be set when the ignition switch is
turned on with connector(s) disconnected. On completion, check all systems for DTCs. If DTC
code(s) are set, erase them all.
NOTE: Refer to GROUP 22A

−

Diagnostic Trouble Code Chart

P.22A-11

for Others Diagnostic Trouble Code.

DTC No.

Inspection item

Reference page

C1619

AYC current value

P.27-9

C161A

AYC direction valve(RH) output