Mitsubishi Outlander XL. Manual - part 988

YES:

 Go to Step 5.

NO:

 Repair the damaged parts.

STEP 5. Check the wiring harness between headlight
assembly (RH) connector A-56 (terminal No. 5) <front>, side
turn-signal light (RH) connector A-60 (terminal No. 2)
<side>, rear combination light (RH) connector D-09
(terminal No. 3) <rear> and ETACS-ECU connector C-304
(terminal No. 16) <front or side> or ETACS-ECU connector
C-311 (terminal No. 19) <rear>.

Q:Are the wiring harness between headlight assembly (RH)

connector A-56 (terminal No. 5) <front>, side turn-signal

light  (RH)  connector  A-60  (terminal  No.  2)  <side>,  rear

combination  light  (LH)  connector  D-09  (terminal  No.  3)

<rear>  and  ETACS-ECU  connector  C-304  (terminal  No.

16)  <front  or  side>  or  ETACS-ECU  connector  C-311

(terminal No. 19) <rear> in good condition?

YES:

 Go to Step 6.

NO:

 Repair the wiring harness.

STEP 6. Using scan tool MB991958, Check whether the
diagnostic trouble code is reset.

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 P.54Af-4."

(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 if DTC is set.

Q:Is the DTC set?

YES:

 Replace the ETACS-ECU.

NO:

 The procedure is complete.

TROUBLE SYMPTOM CHART

M15410900009USA0000010000

Trouble symptom

Inspection
Procedure No.

Reference
page

Headlight and taillight

Headlights (low-beam) do not illuminate..

1

 P.54Ac-26

Headlights (high-beam) do not illuminate.. 2

 P.54Ac-30

LIGHTING

54Ac-25

DIAGNOSIS

Trouble symptom

Inspection
Procedure No.

Reference
page

The headlights do not illuminate when the
lighting switch is at the "PASSING" position,
but  the  low-beam  illuminates  (high-beam
and low-beam cannot be changed) with the
switch at the "HEAD" position.

3

 P.54Ac-34

Headlights  do  not  illuminate  when  the
passing switch is operate.

4

 P.54Ac-35

The headlight(s) do not illuminate.

5

 P.54Ac-37

High-beam  indicator  light  does  not
illuminate normally.

6

 P.54Ac-41

The headlight automatic shutdown function
does not work normally.

7

 P.54Ac-43

Daytime  running  light  function  does  not
work normally.

8

 P.54Ac-45

Any of position light, side marker lights or
the license plate light do not illuminate.

9

 P.54Ac-48

Turn-signal light

The turn-signal lights do not illuminate.

10

 P.54Ac-53

The comfort flashing function does not work
normally.

11

 P.54Ac-55

The  turn-signal  indicator  lights  do  not
illuminate.

12

 P.54Ac-56

SYMPTOM PROCEDURES

Inspection Procedure 1: Headlights (low-beam) do not illuminate.

M15410900096USA0000010000

Whenever  the  ECU  is  replaced,  ensure  that  the
power supply circuit, the ground circuit and the
communication circuit are normal.

54Ac-26

LIGHTING

DIAGNOSIS

Headlight Relay (Low-Beam) Circuit

ETACS-ECU

FUSIBLE
LINK

36

HEADLIGHT
RELAY (LOW)

FEED EFFECT
TRANSISTOR

RELAY BOX
 ENGINE 
 COMPARTMENT

ZC6041270000

Connector: A-28X

ZC600878003

Connector: C-312

C-312

TECHNICAL DESCRIPTION (COMMENT)
If  both  headlights  (low-beam)  do  not  illuminate
normally, the headlight switch input circuit, headlight
relay (LOW), or ETACS-ECU may have a problem.

TROUBLESHOOTING HINTS

｠

Malfunction of column switch

｠

Malfunction of headlight relay (LOW)

｠

Malfunction of the ETACS-ECU

｠

Damaged harness wires and connectors

LIGHTING

54Ac-27

DIAGNOSIS

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. 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-11."

(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 2.

STEP 2. Check headlight relay (LOW) connector A-28X for
loose, corroded or damaged terminals, or terminals pushed
back in the connector.

Q:Is  headlight  relay  (LOW)  connector  A-28X  in  good

condition?

YES:

 Go to Step 3.

NO:

 Repair the damaged parts.

STEP 3. Check of headlight relay (LOW).
Refer to P.54Ac-173.

Q:Is the headlight relay (LOW) in good condition?

YES:

 Go to Step 4.

NO:

 Replace the headlight relay (LOW). Verify that the

low-beam headlights illuminate normally.

54Ac-28

LIGHTING

DIAGNOSIS