Mitsubishi Outlander GS45X. Manual - part 78

HAZARD WARNING LIGHT SWITCH

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CHASSIS ELECTRICAL

54A-309

SYMPTOM PROCEDURES

Inspection Procedure 1: The hazard warning lights do not illuminate.

CAUTION

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

.

TECHNICAL DESCRIPTION (COMMENT)

If the hazard warning light does not illuminate, the 
hazard warning light switch input circuit in center 
panel unit or the ETACS-ECU may have a problem.

.

TROUBLESHOOTING HINTS

• Malfunction of center panel unit

• Malfunction of the ETACS-ECU

• The wiring harness or connectors may have 

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

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)

STEP 1. Check that the turn-signal light operate.
Check that the turn-signal lights illuminate normally.
Q: Does turn-signal light work normally?

YES : Go to Step 2.
NO :  Diagnose the headlights. Refer to Inspection 

Procedure 12 "The turn-signal lights do not illuminate" 

P.54A-198

.

HAZARD WARNING LIGHT SWITCH

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CHASSIS ELECTRICAL

54A-310

STEP 2. Using scan tool MB991958, check data list. 
Using the ETACS-ECU service data, check the hazard warning 
light signal.

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-305

."

• Turn the ignition switch to the "ACC" position.

• Turn "ON" the hazard light switch.

Q: Does scan tool MB991958 display the items "Hazard 

switch" as normal condition?
YES <Normal condition is displayed for item.>  : Go to 

Step 3.

NO <Normal condition is not displayed for item No. 
265.>  : Troubleshoot the ETACS-ECU. Refer to Inspection 

Procedure 11 "ETACS-ECU does not receive any 
signal from the hazard warning light switch" 

P.54A-816

.

STEP 3. Retest the system
Check that the hazard warning light illuminate normally.
Q: Does the taillight work normally?

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.

Item No.

Item name

Normal 
conditions

Item 265

Hazard switch

ON

ZC501967

AC404789

AC702802

MB991824

MB991827

MB991910

Data link

connector

AB

HAZARD WARNING LIGHT SWITCH

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CHASSIS ELECTRICAL

54A-311

REMOVAL AND INSTALLATION

M1541501000206

INSPECTION

CONTINUITY CHECK FOR HAZARD WARNING 
LIGHT SWITCH

M1541501100173

Check the ETACS service data list using the scan tool 
MB991958. With the item No. 265 (Hazard switch), it is judged 
normal if the display shows ON when the hazard warning light 
switch is pressed, and OFF when not pressed.

AC606574

2

AC

1

Hazard warning 
lamp switch

1

Removal Steps 

1.

Center air outlet (Refer to GROUP 
52A 

− Instrument Panel Assembly 

P.52A-2

.)

2.

Center panel assembly (Refer to 
GROUP 52A 

− Instrument Panel 

Assembly 

P.52A-2

.)

HORN

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CHASSIS ELECTRICAL

54A-312

HORN

REMOVAL AND INSTALLATION

M1542100200893

AC900246AC

5

2

1

3

4

18 ± 7 N·m 
13 ± 5 ft-ld

18 ± 7 N·m 
13 ± 5 ft-ld

18 ± 7 N·m 
13 ± 5 ft-ld

18 ± 7 N·m 
13 ± 5 ft-ld

Removal Steps 

•

Front bumper assembly (Refer to 
GROUP 51 

− Front Bumper 

Assembly 

P.51-4

.)

>>

A

<<

1.

Horn (HI)

>>

A

<<

2.

Horn (LO)

•

ABS-ECU or ASC-ECU harness 
connector (Refer to GROUP 35B 

− 

Hydraulic Unit 

P.35B-188

 or 

GROUP 35C- Hydraulic Unit 

P.35C-287

)

>>

A

<<

3.

Horn bracket <vehicles without 
theft-alarm siren>

>>

A

<<

4.

Horn (for theft-alarm) <vehicles 
without theft-alarm siren>

5.

Horn harness <vehicles without 
theft-alarm siren>

Removal Steps (Continued)