Mitsubishi Outlander GS45X. Manual - part 443

DIAGNOSIS

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ACTIVE STABILITY CONTROL SYSTEM (ASC)

35C-199

DTC U0114

• Wiring harness or connector failure of CAN bus line

• AWD-ECU or AWC-ECU malfunction

• ASC-ECU malfunction

• Connector disconnected or improperly connected

• Stretched or broken wires

DTC U0126

• Wiring harness or connector failure of CAN bus line

• Steering wheel sensor malfunction

• ASC-ECU malfunction

• Connector disconnected or improperly connected

• Stretched or broken wires

DTC U0141

• Wiring harness or connector failure of CAN bus line

• Malfunction of ETACS-ECU

• ASC-ECU malfunction

• Connector disconnected or improperly connected

• Stretched or broken wires

DIAGNOSIS

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

STEP 1. M.U.T.-III CAN bus diagnostics
Use scan tool to diagnose the CAN bus lines.
Q: Is the check result normal?

YES : Go to Step 2.
NO :  Repair the CAN bus lines (Refer to GROUP 54C 

− 

CAN Bus Diagnostics Table 

P.54C-17

). On 

completion, go to Step 3.

STEP 2. Check whether the DTC is reset.
Q: Is DTC U0100, U0101, U0114, U0126 or U0141 set?

YES : Go to Step 3.
NO :  The procedure is complete.

STEP 3. Connector check: ASC-ECU connector
Q: Is the check result normal?

YES : Go to Step 4.
NO :  Repair the defective connector. Then go to Step 4.

STEP 4. M.U.T.-III other system DTC
Use scan tool to check that other diagnostic trouble code is set 
in the ECU corresponding to the relevant diagnosis.
Q: Is other DTC set?

YES : Troubleshoot for the relevant diagnostic trouble code.
NO :  Go to Step 5.

DIAGNOSIS

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ACTIVE STABILITY CONTROL SYSTEM (ASC)

35C-200

STEP 5. ETACS-ECU coding data check
Refer to GROUP 00 

− Precautions before Service/Coding List 

P.00-44

.

Vehicle line

OK: OUTLANDER

Transmission

OK (A/T): 6AT
OK (CVT): CVT

Engine type

OK (2.4L engine): 2.4L D4 MPI VVT
OK (3.0L engine): 3.0L S4 MIVEC

Engine power

OK: Normal

Chassis type for A.S.C.

OK : Type 2

Final drive

OK (FWD): Front Drive
OK (AWD): 4WD FF Base

Front differential

OK (except S-AWC): Open
OK (S-AWC): ELSD

Transfer

OK (FWD): FWD
OK (AWD): ECC

SAS

OK: Present

4WD/AWD

OK (FWD): Not present
OK (AWD): Present

TCM

OK: Present

ACDAYC

OK: Not present

Q: Is the check result normal?

YES : Go to Step 6.
NO :  Replace the ETACS-ECU (Refer to GROUP 54A 

− 

ETACS-ECU 

P.54A-825

), and then go to Step 6.

STEP 6. Check whether the DTC is reset.
Erase the DTCs.
Q: Is DTC U0100, U0101, U0114, U0126 or U0141 set?

YES : Replace the hydraulic unit (integrated with ASC-ECU) 

(Refer to 

P.35C-287

).

NO :  The procedure is complete.

DIAGNOSIS

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ACTIVE STABILITY CONTROL SYSTEM (ASC)

35C-201

DTC U0125: G and yaw rate sensor message time-out error/message error

CAUTION

• If there is any problem in the CAN bus lines, an incor-

rect diagnostic trouble code may be set. Prior to this 
diagnosis, diagnose the CAN bus lines (Refer to 
GROUP 54C 

− CAN Bus Line Diagnostic Flow 

P.54C-10

).

• Whenever ECU is replaced, ensure that the CAN bus 

lines are normal.

• Do not drop or shock the G and yaw rate sensor.
• When the G and yaw rate sensor is replaced, always 

carry out calibration to make ASC-ECU learn the neu-
tral point (Refer to 

P.35C-282

).

• When the hydraulic unit (integrated with ASC-ECU) is 

replaced, always carry out the calibration of the steer-
ing wheel sensor, the G and yaw rate sensor and brake 
fluid pressure sensor (Refer to 

P.35C-282

, 

P.35C-283

 

and 

P.35C-284

).

.

G and Yaw Rate Sensor Circuit

ASC-ECU

G AND YAW 
RATE SENSOR

ACA02068

AC901112

Connector: A-02

A-02 (B)

AF

AC901076AU

Connector: C-26

C-26 (B)

DIAGNOSIS

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ACTIVE STABILITY CONTROL SYSTEM (ASC)

35C-202

CIRCUIT OPERATION

The G and yaw rate sensor outputs the signal to ASC-ECU via 
the special CAN bus lines.

.

DTC SET CONDITIONS

This DTC is set when the ASC-ECU cannot receive the signal 
from the G and yaw rate sensor although there is no abnormal-
ity in ASC-ECU supply voltage.

.

PROBABLE CAUSES

• Wiring harness or connector failure in special CAN bus lines 

between ASC-ECU and G and yaw rate sensor

• G and yaw rate sensor malfunction

• ASC-ECU malfunction

• External noise interference

• Connector disconnected or improperly connected

• Stretched or broken wires

DIAGNOSIS

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

STEP 1. Using scan tool MB991958, diagnose the CAN bus 
lines.
Use scan tool to diagnose the CAN bus lines.
Q: Is the check result normal?

YES : Go to Step 3.
NO :  Repair the CAN bus lines. (Refer to GROUP 54C 

− 

CAN Bus Diagnostics Table 

P.54C-17

). On 

completion, go to Step 2.

STEP 2. DTC recheck after resetting CAN bus lines
Q: Is DTC U0125 set?

YES : Go to Step 3.
NO :  The procedure is complete.

STEP 3. Connector check: A-02 ASC-ECU connector, C-26 
G and yaw rate sensor connector
Q: Is the check result normal?

YES : Go to Step 4.
NO :  Repair the connector, and then go to Step 7.