Mitsubishi Outlander GS45X. Manual — part 72

DOME LIGHT

TSB Revision

CHASSIS ELECTRICAL

54A-285

Procedure 8 "ETACS-ECU does not receive any
signal from the rear door switch (RH)"

P.54A-808

.

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

Procedure 9 "ETACS-ECU does not receive any
signal from the liftgate switch"

P.54A-810

.

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

Procedure 3 "ETACS-ECU does not receive any
signal from the key reminder switch"

P.54A-791

.

STEP 4. 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 5.
NO : Repair the damaged parts.

STEP 5. Front dome light bulb check
Check that the front dome light bulb is normal.
Q: Does front dome light work normally?

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-316 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)
Check the communication line for open or short circuit.
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.

DOME LIGHT

TSB Revision

CHASSIS ELECTRICAL

54A-286

STEP 9. Check the wiring harness between D-02 front
dome light connector (terminal No. 1) and body ground.
Check the ground lines for open circuit.
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 nor-
mally.
Q: Does the front dome light 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 2: The rear dome light does not illuminate normally.

Rear Dome Light Circuit

ETACS-ECU

REAR
DOME LIGHT

DOME LIGHT

TSB Revision

CHASSIS ELECTRICAL

54A-287

.

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

• 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 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. 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.

ACA02655 AN

Connector: C-316

AC702817AJ

Connector: D-10

D-10 (GR)

DOME LIGHT

TSB Revision

CHASSIS ELECTRICAL

54A-288

STEP 2. 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 too (M.U.T.-III)

P.54A-280

."

(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

P.54A-732

.

NO : Go to Step 3.

ZC501967

AC404789

AC702802

MB991824

MB991827

MB991910

Data link

connector

AB