Mitsubishi Outlander GS45X. Manual - part 81

COLUMN SWITCH

TSB Revision

CHASSIS ELECTRICAL

54A-321

DIAGNOSTIC TROUBLE CODE TABLE

M1543100300161

NOTE: The ETACS-ECU sets a diagnostic trouble 
code.

DIAGNOSTIC TROUBLE CODE PROCEDURES

DTC B2350: Malfunction of lighting switch, 

 

DTC B2351: Malfunction of wiper/washer switch

.

TROUBLE JUDGMENT

The ETACS-ECU receives the signals related to 
lighting and wiper/washer from the column switch. If 
the fail information data is included in the signal from 
column switch, DTC B2350 (malfunction of lighting 
switch) or B2351 (malfunction of wiper/washer 
switch) is stored.

.

TECHNICAL DESCRIPTION (COMMENT)

The lighting switch, wiper/washer switch or the 
ETACS-ECU may have a problem.

.

TROUBLESHOOTING HINTS

• Malfunction of lighting switch (with built-in col-

umn-ECU)

• Malfunction of wiper/washer switch

• The ETACS-ECU may be defective

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 (Vehicles with 

CAN communication system)

Diagnostic trouble code 
No.

Diagnostic item

Reference page

B2350

Malfunction of lighting switch

P.54A-321

B2351

Malfunction of the wiper/washer switch

COLUMN SWITCH

TSB Revision

CHASSIS ELECTRICAL

54A-322

STEP 1. Using scan tool MB991958, Check whether the 
diagnostic trouble code is reset.
Check again if the DTC is set to the ETACS-ECU.

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. Refer to "How to connect 

scan tool 

P.54A-319

."

(2) Turn the ignition switch to the "ON" position.
(3) Erase the DTC.
(4) Turn the ignition switch from "LOCK" (OFF) position to "ON" 

position.

(5) Check if the DTC B2350 or B2351 is set.
(6) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC set?

DTC B2351 is set. : Go to Step 2.
DTC B2350 is set. : Go to Step 3.
No DTC is set. : The trouble can be an intermittent 

malfunction (GROUP 00 

− How to Cope with 

Intermittent Malfunction 

P.00-15

).

STEP 2. Using scan tool MB991958, Check whether the 
diagnostic trouble code is reset.
Check again if the DTC is set to the ETACS-ECU.
(1) Replace the wiper/washer switch.
(2) Turn the ignition switch to the "ON" position.
(3) Erase the DTC.
(4) Turn the ignition switch from "LOCK" (OFF) position to "ON" 

position.

(5) Check if DTC is set.
(6) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC set?

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

ZC501967

AC404789

AC702802

MB991824

MB991827

MB991910

Data link

connector

AB

COLUMN SWITCH

TSB Revision

CHASSIS ELECTRICAL

54A-323

STEP 3. Using scan tool MB991958, Check whether the 
diagnostic trouble code is reset.
Check again if the DTC is set to the ETACS-ECU.
(1) Replace the lighting switch (with built-in column-ECU).
(2) Turn the ignition switch to the "ON" position.
(3) Erase the DTC.
(4) Turn the ignition switch from "LOCK" (OFF) position to "ON" 

position.

(5) Check if DTC is set.
(6) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC set?

YES : Replace the ETACS-ECU.
NO :  The procedure is complete.

REMOVAL AND INSTALLATION

M1543100700426

CAUTION

• To remove the driver air bag module, refer to GROUP 52B − Service Precautions 

P.52B-25

 and Air 

Bag Module(s) and Clock Spring 

P.52B-439

.

• When the steering wheel sensor is replaced, always carry out calibration to make ASC-ECU learn 

the neutral point. (Refer to GROUP 35C 

− On-vehicle Service-Steering Wheel Sensor Calibration 

P.35C-283

.) <Vehicles with ASC>

AC609141AC

1

2

3

2.5 ± 0.5 N·m
23 ± 4 in-lb

4

Removal Steps 

•

Steering column cover (Refer to 
GROUP 52A 

− Instrument Panel 

Assembly 

P.52A-2

.)

1.

Wiper/washer switch

2.

Lighting switch  (with built-in 
column-ECU)

•

Steering wheel assembly (Refer to 
GROUP 52B 

− Air Bag Module(s) 

and Clock Spring 

P.52B-439

.)

•

Clock spring (Refer to GROUP 52B 
− Air Bag Module(s) and Clock 

Spring 

P.52B-439

.)

3.

Column switch body

4.

Steering wheel sensor (Refer to 
GROUP 35C 

− Steering wheel 

sensor 

P.35C-291

.) <Vehicles with 

ASC>

Removal Steps (Continued)

COLUMN SWITCH

TSB Revision

CHASSIS ELECTRICAL

54A-324

INSPECTION

WIPER/WASHER SWITCH CONTINUITY CHECK

M1543101700098

<VEHICLES WITHOUT LIGHTING CONTROL 
SENSOR>

<VEHICLES WITH LIGHTING CONTROL 
SENSOR>

Switch position

Tester 
connection 

Specified 
condition

OFF

−

Open circuit

Windshield 
intermittent wiper 
interval adjusting 
knob

6 

− 3

Operating the 
adjusting knob 
changes the 
resistance. 

Rear wiper switch

6 

− 4

Continuity exists 
(2 

Ω or less)

Rear washer switch 6 

− 5

Continuity exists 
(2 

Ω or less)

Windshield washer 
switch

6 

− 7

Continuity exists 
(2 

Ω or less)

Windshield 
wiper switch

Hi

6 

− 8

Continuity exists 
(2 

Ω or less)

Lo

6 

− 9

Continuity exists 
(2 

Ω or less)

Int

6 

− 10

Continuity exists 
(2 

Ω or less)

Mist

6 

− 11

Continuity exists 
(2 

Ω or less)

AC605524

1

6

8

11

10

9

7

5

4

3

2

AC

Switch position

Tester 
connection 

Specified 
condition

OFF

−

Open circuit

 Windshield rain 
sensitive wiper 
function adjusting 
knob

6 

− 3

Operating the 
adjusting knob 
changes the 
resistance. 

Rear wiper switch

6 

− 4

Continuity exists 
(2 

Ω or less)

Rear washer switch 6 

− 5

Continuity exists 
(2 

Ω or less)

Windshield washer 
switch

6 

− 7

Continuity exists 
(2 

Ω or less)

AC702391

1

6

8

11

10

9

7

5

4

3

2

AB