Mitsubishi Outlander GS45X. Manual - part 1068

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STEP 4. Using scan tool MB991958, read the diagnostic 
trouble code.

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 GROUP 42B, "How 

to connect scan tool (M.U.T.-III) 

P.42B-13

."

(2) Turn the ignition switch to the "ON" position.
(3) Check whether any DTC is set to ETACS-ECU.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC set?

YES : Diagnose the ETACS-ECU. Refer to 

P.42A-180

.

NO :  Go to Step 5.

STEP 5. Using scan tool MB991958, check data list. 

• Ignition switch: ON→LOCK(OFF)

OK: Normal condition is displayed.

Q: Is the check result normal?

YES : Go to Step 6.
NO :  Refer to GROUP 54A 

− Inspection Procedure 2 

"Defective power supply system of the ignition switch" 

P.54A-21

STEP 6. Retest the system.
Check that turning the ignition switch to the "LOCK" position 
unlocks the doors.
Q: Is the check result normal?

YES : No action is necessary and testing is complete.
NO :  Replace the ETACS-ECU.

ZC501967

AC404789

AC701411AB

MB991824

MB991827

MB991910

Data link 
connector

Item No.

Item name

Normal 
condition

Item 254

IG voltage

Battery positive 
voltage

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INPUT SIGNAL PROCEDURES <CENTRAL DOOR LOCKING SYSTEM>

INSPECTION PROCEDURE B-1: The Liftgate Lock Release Handle Signal is not Received.

CAUTION

Before replacing the ECU, ensure that the power supply circuit, the ground circuit and the communi-
cation circuit are normal.

ACA02622

D-15

C-36

F-09

D-12

14

D-12

D-12

C-32

C-102

C-32

AB

Liftgate Lock Release Handle Circuit

LIFTGATE 
LOCK RELEASE 
HANDLE

OPEN SWITCH

LOCK SWITCH

KOS-ECU

ETACS-ECU

GRA

Y

GRA

Y

GRA

Y

BLA

CK-

YELLO

W

BLA

CK

BLA

CK

BR

O

W

N

B

R

O

WN

BR

O

W

N

BROWN

ACA01378

Connector: C-313

C-313 (BR)

AT

ETACS-ECU

AC901080AI

Connector: D-12

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.

CIRCUIT OPERATION

The ETACS-ECU operates the liftgate according to 
signal from the liftgate lock release handle.

.

TECHNICAL DESCRIPTION (COMMENT)

If the signal is not normal, the liftgate will not work 
normally. If the signal is not normal, the liftgate lock 
release handle or the ETACS-ECU may be defective.

.

TROUBLESHOOTING HINTS

• The liftgate lock release handle may be defective

• The wiring harness or connectors may have 

loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector

• The ETACS-ECU may be defective

DIAGNOSTIC PROCEDURE

Required Special Tools:

• MB991223: Harness Set

• MB992006: Extra Fine Probe

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

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

• MB991827: M.U.T.-III USB Cable

• MB991910: M.U.T.-III Main Harness A

STEP 1. Check liftgate lock release handle connector F-09 
for loose, corroded or damaged terminals, or terminals 
pushed back in the connector.
Q: Is liftgate lock release handle connector F-09 in good 

condition?
YES : Go to Step 2.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

. Repair the liftgate lock release handle. If the 

liftgate lock release handle operates normally, a 
correct signal is sent from the liftgate lock release 
handle.

AC901375AD

Connector: F-09

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STEP 2. Check the liftgate lock release handle.
Remove the liftgate lock release handle. Refer to GROUP 42A, 
Liftgate Handle and Latch 

P.42A-174

. Then check continuity 

between the switch terminals.
<LIFTGATE OPEN SWITCH (VEHICLES WITHOUT KOS)>

<LIFTGATE OPEN SWITCH (VEHICLES WITH KOS)>

<LIFTGATE LOCK SWITCH (VEHICLES WITH KOS)>

Q: Is the liftgate lock release handle in good condition?

YES : Go to Step 3.
NO :  Repair the liftgate lock release handle. If the liftgate 

lock release handle operates normally, a correct 
signal is sent from the liftgate lock release handle.

Switch 
position

Terminal 
number

Normal value

Push (open)

1 

− 2 

Continuity 
exists (2 

Ω or 

less)

Release

1 

− 2 

No continuity

Switch 
position

Terminal 
number

Normal value

Push (open)

1 

− 2 

Continuity 
exists (2 

Ω or 

less)

Release

1 

− 2 

No continuity

Switch 
position

Terminal 
number

Normal value

Push (lock)

2 

− 3 

Continuity 
exists (2 

Ω or 

less)

Release

2 

− 3 

No continuity

ACA00536

<Vehicles with KOS>

<Vehicles without KOS>

Open switch

Open switch

AB

ACA00837AB

<Vehicles with KOS>

Lock switch