Mitsubishi Outlander XL. Manual - part 1018

YES:

Go to Step 6.

NO:

Replace the front dome light bulb.

STEP 6. Check ETACS-ECU connector C-316 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.

Q:Is ETACS-ECU connectors C-311 in good condition?

YES:

Go to Step 7.

NO:

Repair the damaged parts.

STEP 7. Check the wiring harness between front dome light
connector D-02 (terminal No. 2/3) and ETACS-ECU
connector C-316 (terminal No. 6/5)

Q:Are wiring harness between front dome light connector

D-02 (terminal No. 2/3) and ETACS-ECU connector C-316

(terminal No. 6/5) in good condition?

YES:

Go to Step 8.

NO:

Repair the wiring harness.

STEP 8. Check front dome light connector D-02 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.

Q:Is front dome light connector D-02 in good condition?

YES:

Go to Step 9.

NO:

Repair the damaged parts.

STEP 9. Check the wiring harness between D-02 front dome
light connector (terminal No. 1) and body ground.

Q:Is wiring harness between front dome light connector

D-02 (terminal No. 1) and body ground in good condition?

YES:

Replace the front dome light, and then go to Step

10.

NO:

Repair the wiring harness.

STEP 10. Retest the system
Check that the front dome light illuminates/extinguishes
normally.

Q:Do the front dome light work 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.

LIGHTING

54Ac-145

DIAGNOSIS

Inspection Procedure 2: The rear dome light does not illuminate normally.

M15410900173USA0000010000

Rear Dome Light Circuit

ETACS-ECU

REAR
DOME
LIGHT

ZC6008780004

Connector: C-316

ZC6008800021

Connector: D-10

D-10 (GR)

TROUBLE JUDGMENT
The ETACS-ECU illuminates and extinguishes the
rear dome light in accordance with the input signals
below.

｠

Ignition switch (IG1)

｠

Key reminder switch

｠

Door switches

｠

Liftgate latch switch

54Ac-146

LIGHTING

DIAGNOSIS

｠

Front door lock actuator

TECHNICAL DESCRIPTION (COMMENT)
If this does not work normally, the above switch input
circuit(s), rear dome light, or ETACS-ECU may have
a problem.

PROBABLE CAUSES

｠

Malfunction of the key reminder switch

｠

Malfunction of door switch

｠

Malfunction of liftgate latch switch

｠

Malfunction of the front door lock actuator (RH)

｠

Malfunction of rear dome light

｠

Malfunction of the ETACS-ECU

｠

The wiring harness or connectors may have loose,
corroded, or damaged terminals, or terminals
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. Front dome light operation check
Check that the front dome light illuminates and extinguishes
normally.

Q:Does rear dome light work normally?

YES:

Go to Step 2.

NO:

Replace the ETACS-ECU.

STEP 2. 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
too (M.U.T.-III) P.54Ac-139."

(2)

Turn the ignition switch to the "ON" position.

(3)

Check whether the ETACS-ECU related DTC is set.

(4)

Turn the ignition switch to the "LOCK" (OFF) position.

Q:Is the DTC set?

YES:

Diagnose the ETACS-ECU. Refer to GROUP 54Ad,

Diagnosis P.54Ad-8.

NO:

Go to Step 3.

LIGHTING

54Ac-147

DIAGNOSIS

STEP 3. Using scan tool MB991958, check data list.
Use the ETACS-ECU data list to check the signals related to the
rear dome light.

｠

Turn the ignition switch to the "LOCK" (OFF) position.

｠

Remove the ignition key from the ignition key cylinder.

｠

Open each door.

｠

Open the liftgate.

Item No.

Item name

Normal
conditions

Item 228

Dr door unlock

Item 254

IG voltage

Battery
voltage

Item 256

Dr door ajar switch

Open

Item 257

As door ajar switch

Open

Item 258

RR door ajar switch Open

Item 259

RL door ajar switch

Open

Item 260

Trunk/gate trunk ajar
switch

Open

Item 264

Handle lock switch

Key in → Key
out

Q:Does scan tool MB991958 display the items "Dr door

unlock", "IG voltage", "Dr door ajar switch", "As door ajar

switch", "RR door ajar switch", "RL door ajar switch",

"Trunk/gate trunk ajar switch" and "Handle lock switch"

as normal condition?

YES<Normal conditions are displayed for all items.>:

to Step 4.

NO<Normal condition is not displayed for item No.
228.>: