Mitsubishi Outlander XL. Manual — part 796

(s) as described in GROUP 00E, Harness Connector
Inspection P.00E-2.

Q:Are the wiring harness between KOS-ECU connector

C-102 (terminal No. 21) and lock switch (front door: LH)

connector E-23 (terminal No. 1) and lock switch (front

door: LH) connector E-23 (terminal No. 2) and ground in

good condition?

YES:

Go to Step 4.

NO:

The wiring harness may be damaged or the connector

(s) may have loose, corroded or damaged terminals, or
terminals pushed back in the connector. Repair the wiring
harness as necessary. Check that the driver’s door lock
switch works normally.

STEP 4. Lock switch (front door: LH) check.

(1)

Remove the door outside handle base (Refer to GROUP
42Ab, Door Handle and Latch P.42Ab-102).

ZC6000970000

Lock switch

Door outside
handle base

(2)

Check continuity when the lock switch (front door: LH) is
operated to "ON" or "OFF" position.

Switch
position

Terminal
number

Normal value

ON

1 - 2

Continuity
exists (2 Ω or
less)

OFF

1 - 2

Open circuit

Q:Is the lock switch (front: LH) normal?

YES:

Go to Step 5.

NO:

Replace the door outside handle base. Check that the

driver’s door lock switch works normally.

STEP 5. KOS communication test
Using scan tool (M.U.T-III), perform the antenna communication
test to check that the exterior transmitter antenna (driver's side)
communicates normally (Refer to P.42B-169).

Q:Is the check result normal?

YES:

Go to Step 6.

NO:

Perform troubleshooting for the diagnostic trouble

code No. B240A (Refer to P.42B-18).

STEP 6. Check of the troubles.
Operate the lock switch (front door: LH) and check that the door
and liftgate can be locked.

Q:Is the check result normal?

YES:

Intermittent malfunction is suspected (Refer to

GROUP 00, How to Use Troubleshooting/Inspection Service
Points - How to cope with intermittent malfunctions P.
00-15).

NO:

Replace KOS-ECU and register the ID codes (Refer

to P.42B-163).

KEYLESS OPERATION SYSTEM (KOS)

42B-127

DIAGNOSIS

INSPECTION PROCEDURE 8: Driver's Door Unlock Sensor does not Work.

M14209100111USA0000010000

Before replacing the ECU, ensure that the power
supply circuit, the ground circuit and the
communication circuit are normal.

ZC603129

KOS-ECU

UNLOCK SENSOR
(FRONT DOOR: LH)

WHITE

BLA

CK

BLA

CK

YELLO

W

-PINK

LIGHT GREEN

LIGHT GREEN

0000

Unlock Sensor (Front Door: LH) Circuit

ZC600875

ZC6008750026

C-126

C-102

C-127 (BR)

Connectors: C-102, C-126, C-127

ZC600881

Connector: E-20

0009

PROBABLE CAUSES

｠

Malfunction of the exterior transmitter antenna
assembly (driver's side)

｠

Malfunction of the unlock sensor (front door: LH)

｠

Damaged wiring harness and connectors

｠

Malfunction of the KOS-ECU

42B-128

KEYLESS OPERATION SYSTEM (KOS)

DIAGNOSIS

DIAGNOSTIC PROCEDURE

Required Special Tools:

｠

MB991223: Harness Set

｠

MB992006: Extra Fine Probe

｠

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

STEP 1. Using scan tool MB991958, read the diagnostic
trouble code.

ZC501967

AC404789

ZC5019680000

MB991824

MB991827

MB991910

Data link

connector

To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before
connecting or disconnecting scan tool MB991958.

(1)

Connect scan tool MB991958. Refer to "How to connect scan
tool (M.U.T.-III) P.42B-10."

(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-18.

NO:

Go to Step 2.

STEP 2. Check KOS-ECU connector C-102 and unlock
sensor (front door: LH) connector E-20 for loose, corroded
or damaged terminals, or terminals pushed back in the
connector.

Q:Are KOS-ECU connector C-102 and unlock sensor (front

door: LH) connector E-20 in good condition?

YES:

Go to Step 3.

NO:

Repair or replace the damaged component(s). Refer to

GROUP 00E, Harness Connector Inspection P.00E-2. Check
that the driver’s door unlock sensor works normally.

STEP 3. Check the wiring harness between KOS-ECU
connector C-102 (terminal Nos. 24 and 36) and unlock
sensor (front door: LH) connector E-20 (terminal Nos. 4 and
2) and unlock sensor connector E-20 (terminal No. 6) and
ground.

NOTE:

Also check intermediate connector C-126 and C-127 for

loose, corroded, or damaged terminals, or terminals pushed
back in the connector. If intermediate connector C-126 and

KEYLESS OPERATION SYSTEM (KOS)

42B-129

DIAGNOSIS

C-127 is damaged, repair or replace the damaged component
(s) as described in GROUP 00E, Harness Connector
Inspection P.00E-2.

Q:Are the wiring harness between KOS-ECU connector

C-102 (terminal Nos. 24 and 36) and unlock sensor (front

door: LH) connector E-20 (terminal Nos. 4 and 2) and

unlock sensor connector E-20 (terminal No. 6) and

ground in good condition?

YES:

Go to Step 4.

NO:

The wiring harness may be damaged or the connector

(s) may have loose, corroded or damaged terminals, or
terminals pushed back in the connector. Repair the wiring
harness as necessary. Check that the driver’s door
unlock sensor works normally.

STEP 4. KOS communication test.
Using scan tool (M.U.T-III), perform the antenna communication
test to check that the exterior transmitter antenna (driver's side)
communicates normally (Refer to P.42B-169).

Q:Is the check result normal?

YES:

Go to Step 5.

NO:

Perform troubleshooting for the diagnostic trouble

code No. B240A (Refer to P.42B-18).

STEP 5. Check of the troubles.
Operate the unlock sensor (front door: LH) and check that the
door and liftgate can be locked.

Q:Is the check result normal?

YES:

Intermittent malfunction is suspected (Refer to

GROUP 00, How to Use Troubleshooting/Inspection Service
Points - How to cope with intermittent malfunctions P.
00-15).

NO:

Replace KOS-ECU and register the ID codes (Refer

to P.42B-163).

INSPECTION PROCEDURE 9: Front Passenger's Door Lock Switch does not Work.

M14209100112USA0000010000

Before replacing the ECU, ensure that the power
supply circuit, the ground circuit and the
communication circuit are normal.

42B-130

KEYLESS OPERATION SYSTEM (KOS)

DIAGNOSIS