Mitsubishi Outlander GS45X. Manual — part 1148

DIAGNOSIS

TSB Revision

KEYLESS OPERATION SYSTEM (KOS)

42B-171

STEP 5. Check the customize function.
Check that any one of the followings other than "Not sound
horn" is set for "Horn chirp by RKE" with a customization func-
tion.

• Lock any time

• W lock any time

Q: Is the check result normal?

YES : Go to Step 6.
NO : Set "Horn chirp by RKE" to any one other than "Not

sound horn" with a customization function (Refer to

P.42B-199

).

STEP 6. 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 "How to connect

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

P.42B-13

."

(2) Turn the ignition switch to the "ON" position.
(3) Check whether the theft alarm related DTC is set.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC set?

YES : Diagnose the theft alarm. Refer to

P.54A-841

.

NO : Go to Step 7.

ZC501967

AC404789

AC701411AB

MB991824

MB991827

MB991910

Data link
connector

DIAGNOSIS

TSB Revision

KEYLESS OPERATION SYSTEM (KOS)

42B-172

STEP 7. 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 "How to connect

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

P.42B-13

."

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

YES : Diagnose the KOS-ECU. Refer to

P.42B-35

.

NO : Go to Step 8.

STEP 8. Check of the troubles
Check if the keyless entry hazard answerback, doom light
answerback and horn answerback function works normally.
Q: Is the check result normal?

YES : Intermittent malfunction (Refer to GROUP 00, How to

Use Troubleshooting/Inspection Service Points - How
to Cope with Intermittent Malfunction

P.00-15

.)

NO : Replace ETACS-ECU.

ZC501967

AC404789

AC701411AB

MB991824

MB991827

MB991910

Data link
connector

DIAGNOSIS

TSB Revision

KEYLESS OPERATION SYSTEM (KOS)

42B-173

Inspection Procedure 15: Outer tone alarm does not sound.

CAUTION

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

.

OPERATION

The outer tone alarm sounds under the following
conditions.

• When the door is locked or unlocked with the

keyless or keyless operation function

• Door lock does not operate.

• The keyless operation key is brought out of the

vehicle.

• Also, with a customization function, "Tone alarm

answerback" may be set to "Not Sound Tone
alarm."

.

PROBABLE CAUSES

• Malfunction of the antenna and outer tone alarm

assembly

• Malfunction of the KOS-ECU

• Malfunction of the connector

• Function setting error or no setting with a custom-

ization

ACA02776 AB

Outer Tone Alarm Circuit

OUTER
TONE ALARM

KOS-ECU

AC901075AF

Connectors: C-32, C-102

C-32

C-102

AC803008

AE

Connectors: F-13, F-17

F-13 (GR)

F-17

DIAGNOSIS

TSB Revision

KEYLESS OPERATION SYSTEM (KOS)

42B-174

DIAGNOSTIC PROCEDURE

STEP 1. 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 "How to connect

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

P.42B-13

."

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

YES : Diagnose the KOS-ECU. Refer to

P.42B-35

.

NO : Go to Step 2.

STEP 2. Check the customize function.
Check that either of the followings other than "Not sound tone
alarm" is set for "Tone alarm answer back" with the customiza-
tion function.

• At keyless key

• At keyless

• At Both

Q: Is the check result normal?

YES : Go to Step 3.
NO : Set either of the followings other than "Not sound tone

alarm" for "Tone alarm answer back" with the
customization function (Refer to

P.54A-821

).

ZC501967

AC404789

AC701411AB

MB991824

MB991827

MB991910

Data link
connector