Mitsubishi Outlander GS45X. Manual — part 1724

DIAGNOSIS <S-AWC(SUPER ALL WHEEL CONTROL)>

TSB Revision

AUTOMATIC TRANSAXLE

23C-201

STEP 8. Check of the electronic control coupling solenoid
(center)
Refer to GROUP 27C

− On-vehicle Service

P.27C-94

Q: Is the check result normal?

YES : Go to Step 9.
NO : Replace the electronic control coupling (center)

(Refer to GROUP 27C

− Electronic Control Coupling

P.27C-97

). Then go to Step 10.

STEP 9. Check whether the diagnostic trouble code is
reset.
Q: Is diagnostic trouble code No.C1626 set?

YES : Replace the AWC-ECU. (Refer to

P.23C-295

). Then

go to Step 10.

NO : Intermittent malfunction. (Refer to GROUP 00

− How

to Cope with Intermittent Malfunction

P.00-15

STEP 10. Check whether the diagnostic trouble code is
reset.
Q: Is diagnostic trouble code No.C1626 set?

YES : Return to Step 1.
NO : This diagnosis is complete.

DIAGNOSIS <S-AWC(SUPER ALL WHEEL CONTROL)>

TSB Revision

AUTOMATIC TRANSAXLE

23C-202

Code No. C1627: Abnormal Electronic Control Solenoid (Front) Current

AWC-ECU

Electronic control coupling solenoid (front) system circuit

AC902489

ELECTRONIC
CONTROL
COUPLING
SOLENOID
(FRONT)

AC901112

Connector: A-13

AC901598

Connector: B-28

B-28 (GR)

AC901075BM

Connector: C-42

AC901075BN

Connector: C-139

DIAGNOSIS <S-AWC(SUPER ALL WHEEL CONTROL)>

TSB Revision

AUTOMATIC TRANSAXLE

23C-203

OPERATION

The AWC-ECU monitors the current value of the
electronic control coupling solenoid (Front).

DIAGNOSTIC TROUBLE CODE SET
CONDITIONS

This diagnostic trouble code is set when the abnor-
mality below is detected:

• By the monitored electronic control solenoid

(front) current, the AWC-ECU judges the under-
current failure.

• By the monitored electronic control solenoid

(front) current, the AWC-ECU judges the overcur-
rent failure.

• The AWC-ECU judges the monitor circuit failure.

PROBABLE CAUSES

• Malfunction of electronic control coupling sole-

noid (Front)

• Damaged harness wires and connectors

• Malfunction of AWC-ECU

DIAGNOSTIC PROCEDURE

STEP 1. Electronic control coupling solenoid (front)
connector, intermediate connector, AWC-ECU connector
check: B-28, A-13, C-42, C-139
Q: Is the check result normal?

YES : Go to Step 2.
NO : Repair the defective connector. Then go to Step 6.

STEP 2. Check the wiring harness between B-28 electronic
control coupling solenoid (front) connector terminal No.1
and C-139 AWC-ECU connector terminal No.1.
Check the power supply line for open or short circuit.
Q: Is the check result normal?

YES : Go to Step 3.
NO : Repair the wiring harness. Then go to Step 6.

STEP 3. Check the wiring harness between B-28 electronic
control coupling solenoid (front) connector terminal No.2
and C-139 AWC-ECU connector terminal No.14.
Check the ground line for open or short circuit.
Q: Is the check result normal?

YES : Go to Step 4.
NO : Repair the wiring harness. Then go to Step 6.

STEP 4. Check of the electronic control coupling solenoid
(Front)
Refer to

P.23C-277

Q: Is the check result normal?

YES : Go to Step 5.
NO : Replace the transfer assembly (Refer to

P.23C-292

Then go to Step 6.