Mitsubishi Outlander GS45X. Manual - part 34

HEADLIGHT

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STEP 6. Check the wiring harness between headlight
assembly (LH) connector A-37 (terminal No. 3), side
turn-signal light (LH) connector A-10 (terminal No. 2)
<fender type>, door mirror assembly (LH) connector E-29
(terminal No. 2) <door mirror type>, rear combination light
(LH) connector D-14 (terminal No. 3) and ETACS-ECU
connector C-304 (terminal No. 9), ETACS-ECU connector
C-311 (terminal No. 18) or ETACS-ECU connector C-317
(terminal No. 4).
Check the communication line for open circuit.
NOTE: Also check intermediate connector C-127 <door mirror
type> for loose, corroded, or damaged terminals, or terminals
pushed back in the connector. If intermediate connector C-127
<door mirror type> is damaged, repair or replace the connector
as described in GROUP 00E, Harness Connector Inspection

P.00E-2

Q: Are the wiring harness between headlight assembly

(LH) connector A-37 (terminal No. 3), side turn-signal
light (LH) connector A-10 (terminal No. 2) <fender type>,
door mirror assembly (LH) connector E-29 (terminal No.
2) <door mirror type>, rear combination light (LH)
connector D-14 (terminal No. 3) and ETACS-ECU
connector C-304 (terminal No. 9), ETACS-ECU
connector C-311 (terminal No. 18) or ETACS-ECU
connector C-317 (terminal No. 4) in good condition?
YES : Go to Step 7.
NO : Repair the wiring harness.

HEADLIGHT

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STEP 7. Using scan tool MB991958, Check whether the
diagnostic trouble code is reset.

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

P.54A-123

(2) Turn the ignition switch to the "ON" position.
(3) Erase the DTC.
(4) Turn the ignition switch from "LOCK" (OFF) position to "ON"

position.

(5) Check whether the ETACS-ECU DTC is set.
Q: Is the DTC set?

YES : Replace the ETACS-ECU.
NO : The procedure is complete.

ZC501967

AC404789

AC702802

MB991824

MB991827

MB991910

Data link

connector

HEADLIGHT

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DTC B16A3: Turn-signal light (LH) short circuit

DOOR
MIRROR
ASSEMBLY
(LH)

Turn-Signal Light Circuit (LH))

ETACS-
ECU

REAR
COMBINATION
LIGHT
(TURN: LH)

HEADLIGHT
ASSEMBLY
(TURN: LH))

SIDE TURN-
SIGNAL LIGHT
(LH)

AC901112

Connectors: A-10, A-37

A-10 (B)

A-37 (B)

AC901075BH

Connector: C-127

C-127 (BR)

HEADLIGHT

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TROUBLE JUDGMENT

When the left wiring harness of turn-signal light is
short circuited, the ETACS-ECU sets DTC B16A3.

TECHNICAL DESCRIPTION (COMMENT)

When the short circuit is detected three times con-
secutively, the ETACS-ECU sets the DTC B16A3.

TROUBLESHOOTING HINTS

• The wiring harness or connectors may have

loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector

• Malfunction of the ETACS-ECU

DIAGNOSIS

Required Special Tools:

• MB992006: Extra fine probe

• MB991223: Harness set

• 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 headlight assembly (LH) connector A-37,
side turn-signal light (LH) connector A-10 <fender type>,
door mirror assembly (LH) connector E-29 <door mirror
type>, rear combination light (LH) connector D-14 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Are headlight assembly (LH) connector A-37, side

turn-signal light (LH) connector A-10 <fender type>,
door mirror assembly (LH) connector E-29 <door mirror
type>, rear combination light (LH) connector D-14 in
good condition?
YES : Go to Step 2.
NO : Repair the damaged parts.

ACA02655AV

Connectors: C-304, C-311, C-317

C-304

C-311

C-317

AC709496

Connector: D-14

AC703415AE

Connector: E-29

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