Mitsubishi Lancer Evolution X. Manual - part 138

DIAGNOSIS

TSB Revision

ACTIVE STABILITY CONTROL SYSTEM (ASC)

35C-17

C121C

Torque request signal rejection

Executed

Executed

Prohibited

Prohibited

C1290

CAN time-out error

Executed

Executed

Prohibited

Prohibited

C2203

VIN not recorded

Executed

Executed

Executed

Executed

C2206

Re-execution of variant coding

Executed

Prohibited

Prohibited

Prohibited

C1210

Abnormality in G 
and yaw rate 
sensor

Abnormality in 
longitudinal G 
sensor output 
voltage

Executed

Prohibited

Prohibited

Prohibited

C1242

Abnormality in G 
and yaw rate 
sensor

Abnormality in 
longitudinal G 
sensor output signal

Executed

Prohibited

Prohibited

Prohibited

C123C

Abnormality in G 
and yaw rate 
sensor

Abnormality in 
lateral G and yaw 
rate output value 
(incorrect 
installation)

Executed

Executed

Prohibited

Prohibited

C2204

Internal abnormality 
in G and yaw rate 
sensor

Communication 
error

Executed

Prohibited

Prohibited

Prohibited

Abnormality in 
lateral G sensor 
output voltage

Executed

Executed

Prohibited

Prohibited

Abnormality in yaw 
rate sensor output 
voltage

Executed

Executed

Prohibited

Prohibited

Abnormality in G 
and yaw rate sensor 
supply voltage

Executed

Prohibited

Prohibited

Prohibited

C2111

Brake fluid 
pressure sensor 
power supply circuit

Low input

Executed

Prohibited

Prohibited

Prohibited

C2112

Brake fluid 
pressure sensor 
power supply circuit

High input

Executed

Prohibited

Prohibited

Prohibited

C2114

*4

Abnormality in G 
and yaw rate 
sensor operation 
voltage

Low voltage (6.5 ± 

0.5 V or less)

Executed

Prohibited

Prohibited

Prohibited

C2115

Abnormality in G 
and yaw rate 
sensor operation 
voltage

High voltage (18.0 ± 

1.0 V or more)

Executed

Prohibited

Prohibited

Prohibited

C123A

Abnormality in sensor calibration

Executed

Prohibited

Prohibited

Prohibited

C1219

Abnormality in steering wheel sensor 
signal

Executed

Executed

Prohibited

Prohibited

DTC No. Item

EBD

ABS

Stability 
control

TCL

DIAGNOSIS

TSB Revision

ACTIVE STABILITY CONTROL SYSTEM (ASC)

35C-18

NOTE: 

.

•

*1

: Prohibited when two or more wheels are faulty.

•

*2

: Not prohibited when the brake warning light is not illuminated.

•

*3

: Not prohibited when the ABS warning light is not illuminated.

•

*4

: This DTC is not set with the vehicle speed of 12 mph (20 km/h) or less.

•

*5

: Only for vehicles with TC-SST

C121A

Abnormality in 
steering wheel 
sensor initialization

Steering wheel 
sensor neutral point 
not learned

Executed

Executed

Prohibited

Prohibited

C2205

Internal abnormality in steering wheel 
sensor

Executed

Executed

Prohibited

Prohibited

C1608

Trouble information data error

Executed

Executed

Executed

Executed

C2002

Abnormality in valve calibration

Prohibited

Prohibited

Prohibited

Prohibited

U0001

Bus-off

Executed

Executed

Executed

Executed

U0100

Engine time-out error

Executed

Executed

Executed

Executed

U0101

*5

TC-SST time-out error

Executed

Executed

Executed

Executed

U0126

Steering wheel sensor time-out error

Executed

Executed

Executed

Executed

U0141

ETACS time-out error

Executed

Executed

Executed

Executed

U0136

AWC time-out error

Executed

Executed

Executed

Executed

U0125

G and yaw rate sensor message time-out 
error/message error

Executed

Prohibited

Prohibited

Prohibited

U0401

Engine malfunction detected

Executed

Executed

Prohibited

Prohibited

U0428

Communication error in steering wheel 
sensor

Executed

Executed

Prohibited

Prohibited

U0251

AWC time-out error Local CAN

Executed

Executed

Executed

Executed

U0440

Communication 
error in AWC

Local CAN

Executed

Executed

Executed

Executed

U0435

AWC signal 
abnormality

Local CAN

Executed

Executed

Executed

Executed

U1003

G and yaw rate sensor bus-off

Executed

Prohibited

Prohibited

Prohibited

U1415

Variant coding not completed

Executed

Prohibited

Prohibited

Prohibited

U1417

Variant coding value invalid (includes 
faulty installation)

Executed

Prohibited

*3

Prohibited

Prohibited

DTC No. Item

EBD

ABS

Stability 
control

TCL

DIAGNOSIS

TSB Revision

ACTIVE STABILITY CONTROL SYSTEM (ASC)

35C-19

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

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 the special tool 

MB991824.

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

position.
NOTE: When the special tool MB991824 is energized, the 
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: Disconnect the scan tool MB991958 in the reverse 
order 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

AC608435

Data link connector

MB991827

MB991824

MB991910

AB

DIAGNOSIS

TSB Revision

ACTIVE STABILITY CONTROL SYSTEM (ASC)

35C-20

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."
4. Select "ABS/ASC/ASTC" from the system list, and select the 

"OK" button.

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

HOW TO READ DATA LIST

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

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. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Select "System Select."
4. Select "ABS/ASC/ASTC" from the system list, and select the 

"OK" button.

5. Select "Data List."

AC608435

Data link connector

MB991827

MB991824

MB991910

AB

AC608435

Data link connector

MB991827

MB991824

MB991910

AB