Mitsubishi Outlander GS45X. Manual - part 219

THEFT ALARM

TSB Revision

CHASSIS ELECTRICAL

54A-873

STEP 6. Check the Wiring harness between ETACS-ECU 
connector 312 (terminal No. 9) and LIN cutoff control unit 
C-40 (terminal No. 8).
Check the signal line for short circuit.
NOTE: Also check intermediate connector C-34 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the 
connector. If intermediate connector C-34 is damaged, repair or 
replace the connector as described in GROUP 00E, Harness 
Connector Inspection 

P.00E-2

.

Q: Is the check result normal?

YES : Go to Step 7.
NO :  Repair the wiring harness.

STEP 7. Retest the theft alarm system.
Check if the activated theft alarm siren sounds even though no 
faulty operation is made.
Q: Is the check result normal?

YES : The trouble can be an intermittent malfunction (Refer 

to GROUP 00, How to use 
Troubleshooting/inspection Service Points, How to 
Cope with Intermittent Malfunction 

P.00-15

).

NO :  Replace the ETACS-ECU.

Inspection Procedure 6: Theft alarm siren does not sound. <Vehicles with theft alarm sensor>

CAUTION

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

.

COMMENTS ON TROUBLE SYMPTOM

When only the hazard warning light flashes and the 
theft alarm siren does not sound during "Exterior pro-
tection" status, the theft alarm siren may have an 
internal error or the LIN cutoff control unit may be 
defective.

.

PROBABLE CAUSES

• Theft alarm siren may be defective

• LIN cutoff control unit 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)

THEFT ALARM

TSB Revision

CHASSIS ELECTRICAL

54A-874

STEP 1. Theft alarm siren operation check
(1) Set the theft alarm to the "Ready to be triggered" condition.
(2) Open the driver's door by using the ignition key.
(3) Check that the theft alarm siren sounds.
Q: Is the check result normal?

YES : The trouble can be an intermittent malfunction (Refer 

to GROUP 00 

− How to Cope with Intermittent 

Malfunction 

P.00-15

).

NO :  Go to Step 2.

STEP 2. Using scan tool MB991958, read the ETACS-ECU 
diagnostic trouble code. 
Check if 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.
Connect scan tool MB991958. Refer to "How to connect scan 
tool (M.U.T.-III) 

P.54A-839

."

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

YES : Diagnose the ETACS-ECU (Refer to 

P.54A-733

).

NO :  Go to Step 3.

STEP 3. LIN cutoff control unit check
Check the continuity of the LIN cutoff control unit. (Refer to 

P.54A-879

.)

Q: Is the check result normal?

YES : Go to Step 4.
NO :  Replace LIN cutoff control unit.

ZC501967

AC404789

AC702802

MB991824

MB991827

MB991910

Data link

connector

AB

THEFT ALARM

TSB Revision

CHASSIS ELECTRICAL

54A-875

STEP 4. Theft alarm siren operation check
(1) Set the theft alarm to the "Ready to be triggered" condition.
(2) Open the driver's door by using the ignition key.
(3) Check that the theft alarm siren sounds.
Q: Is the check result normal?

YES : The trouble can be an intermittent malfunction (Refer 

to GROUP 00 

− How to Cope with Intermittent 

Malfunction 

P.00-15

).

NO :  Replace the theft alarm siren.

ON-VEHICLE SERVICE

CUSTOMIZATION FUNCTION

M1547003400366

With the M.U.T.-III operation, the following functions 
can be adjusted. The adjusted information is held 
even when the battery is disconnected.

Adjustment item (scan 
tool MB991958 display)

Adjustment item

Adjusting contents 
(scan tool MB991958 
display)

Adjusting content

Sensitivity for theft sensor Sensitivity level setting of 

theft alarm sensor

Level 1

100% sensitivity of theft 
alarm sensor (initial 
condition)

Level 2

90% sensitivity of theft 
alarm sensor

Level 3

80% sensitivity of theft 
alarm sensor

Level 4

70% sensitivity of theft 
alarm sensor

THEFT ALARM

TSB Revision

CHASSIS ELECTRICAL

54A-876

REMOVAL AND INSTALLATION

M1547004800011

AC901017

1

AC

Removal Steps 

•

 Meter hood assembly(Refer to 

P.54A-118

.)

•

 Bottom cover assembly (driver's 
side)(Refer to GROUP 52A - 
Instrument panel assembly 

P.52A-2

.)

1.

LIN cutoff control unit

Removal Steps (Continued)