Mitsubishi Outlander GS45X. Manual — part 50

HEADLIGHT

TSB Revision

CHASSIS ELECTRICAL

54A-197

STEP 1. Using scan tool MB991958, Check the
configuration function.

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 (M.U.T.-III)

P.54A-123

."

(2) Turn the ignition switch to the "ON" position.
(3) Use the ETACS-ECU configuration function to check that

the "Comfort flasher" is set to "Enable".

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the "Comfort flasher" set to "Enable"?

YES : Go to Step 2.
NO : Use the ETACS-ECU customize function to set the

"Comfort flasher" to "Enable" (Refer to

P.54A-210

).

STEP 2. Using scan tool MB991958, read the ETACS-ECU
diagnostic trouble code.
(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 ETACS,

Diagnosis

P.54A-732

)

NO : Go to Step 3.

STEP 3. Check that the turn-signal light operate.
Check that the turn-signal light work normally when the ignition
switch is in the "ON" position.
Q: Do turn-signal lights work normally?

YES : Go to Step 4.
NO : Refer to Inspection Procedure 10 "None of turn-signal

lights illuminates"

P.54A-195

.

ZC501967

AC404789

AC702802

MB991824

MB991827

MB991910

Data link

connector

AB

HEADLIGHT

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CHASSIS ELECTRICAL

54A-198

STEP 4. Retest the system
Check that the comfort flashing function works normally.
Q: Does comfort flashing function 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.

Inspection Procedure 12: The turn-signal indicator light do not illuminate.

CAUTION

Whenever the ECU is replaced, ensure that the
power supply circuit, the ground circuit and the
communication circuit are normal.

.

TECHNICAL DESCRIPTION (COMMENT)

If the turn-signal light indicator does not illuminate
normally, the harness in the CAN bus lines, connec-
tor(s), ETACS-ECU, or combination meter may have
a problem.

.

TROUBLESHOOTING HINTS

• Malfunction of the ETACS-ECU

• Malfunction of combination meter

• 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 turn-signal light.
Check that the turn-signal light flashes normally when the
turn-signal switch is operated.
Q: Do Turn-signal light work normally?

YES : Go to Step 2.
NO : Refer to Inspection Procedure 10 "All the turn-signal

lights do not illuminate"

P.54A-195

.

HEADLIGHT

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CHASSIS ELECTRICAL

54A-199

STEP 2. Using scan tool MB991958, diagnose the CAN bus
line.

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 the

scan tool (M.U.T.-III)

P.54A-123

."

(2) Turn the ignition switch to the "ON" position.
(3) Diagnose the CAN bus line.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the CAN bus line found to be normal?

YES : Go to Step 3.
NO : Repair the CAN bus line. (Refer to GROUP 54C,

Diagnosis

P.54C-17

).

STEP 3. Using scan tool MB991958, read the diagnostic
trouble code.
Check if diagnostic trouble code is set to the ETACS-ECU.
(1) Turn the ignition switch to the "ON" position.
(2) Check whether the ETACS-ECU related 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 ETACS,

Diagnosis

P.54A-732

.

NO : Go to Step 4.

STEP 4. Using scan tool MB991958, check actuator test.
(1) Connect scan tool MB991958 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) Set scan tool MB991958 to the actuator test mode.

• Item 7: Indicator1

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the check result normal?

YES : Replace the ETACS-ECU.
NO : Replace the combination meter.

ZC501967

AC404789

AC702802

MB991824

MB991827

MB991910

Data link

connector

AB

HEADLIGHT

TSB Revision

CHASSIS ELECTRICAL

54A-200

Inspection Procedure 13: The welcome light function does not work normally.

CAUTION

Whenever the ECU is replaced, ensure that the
power supply circuit, the ground circuit and the
communication circuit are normal.

.

TECHNICAL DESCRIPTION (COMMENT)

When the welcome light function does not operate
normally, the keyless entry system or the
ETACS-ECU may have a problem. Or, the welcome
light function may have been set to disabled using
the customization function.

.

TROUBLESHOOTING HINTS

• Malfunction of the keyless entry system

• Malfunction of the ETACS-ECU

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. Using scan tool MB991958, Check the
configuration function.

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 (M.U.T.-III)

P.54A-123

."

(2) Turn the ignition switch to the "ON" position.
(3) Check that any one of the followings other than "Disabled"

is set for "Welcome light" with a customization function.

• Small light

• Head light

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is it set to other than "Disabled"?

YES : Go to Step 2.
NO : Set "Welcome light" to any one other than "Disabled"

with a customization function (Refer to

P.54A-210

).

ZC501967

AC404789

AC702802

MB991824

MB991827

MB991910

Data link

connector

AB