Mitsubishi 380. Manual — part 5

SWS DIAGNOSIS

SIMPLIFIED WIRING SYSTEM (SWS)

54B-17

ETACS

NOTE: For item No.43, the diagnostic tool
MB991958 (MUT-III Sub Assembly) also displays
"ON" when the lamp reminder tone alarm or the seat
belt tone alarm function is triggered.

.

CHECK
ITEM

ITEM NO. DISPLAY ON

DIAGNOSTIC
TOOL

CHECK CONDITION

NORMAL
CONDITION

Tone alarm

43

BUZZER

When requirements for sounding each
warning tone alarm are not satisfied

OFF

Front fog
lamps

36

F.FOG LAMP

1. Lighting switch: HEAD
2. Fog lamp switch: ON

ON

Other than the condition above

OFF

Driver’s door
switch

32

FRONT DOOR
SW

Driver’s door switch and Front passenger’s
door switch is on

ON

Driver’s door switch and Front passenger’s
door switch is off

OFF

Headlamp
automatic
shutoff
function

35

H/L AUTO-CUT 1. Lighting switch: Other than OFF

2. Ignition switch: from ON or START to

LOCK (OFF) or ACC

3. Front door switch: ON (front door open)

OFF to ON (after
approximately one
second)

When requirements for the headlamp
automatic shutoff are not satisfied

OFF

Ignition
switch (ACC)

31

IG SW (ACC)

Ignition switch: ACC or ON

ON

Ignition switch: LOCK (OFF) or START

OFF

Ignition
switch (IG1)

30

IG SW (IG1)

Ignition switch: ON or START

ON

Ignition switch: LOCK (OFF) or ACC

OFF

Windshield
intermittent
wiper interval

37

INT WIPE
TIME

1. Ignition switch: ACC or ON
2. Operate the intermittent wiper control,

and change the wiper interval

The diagnostic tool
MB991958
(MUT-III Sub
Assembly)
displays
intermittent wiper
interval in
response to the
intermittent wiper
control positions.

SWS DIAGNOSIS

SIMPLIFIED WIRING SYSTEM (SWS)

54B-18

Front-ECU, P/W, S/R

NOTE: For item No.70, the diagnostic tool
MB991958 (MUT-III Sub Assembly) also displays
"NG" under "ECU COMM Check" when it displays
"NO ACK" under the front-ECU check.

NOTE: For item No.72, the diagnostic tool
MB991958 (MUT-III Sub Assembly) also displays
"NG" under "ECU COMM Check" when it displays
"NO ACK" under the sunroof-ECU check.

<FUNCTION DIAGNOSIS>

The table below shows the service data and their
normal condition, which are displayed during the
"Function Diag." The column "Normal condition"
shows values that are shown when each operation is
made.

.

CHECK
ITEM

ITEM NO. DISPLAY ON

DIAGNOSTIC
TOOL

CHECK CONDITION

NORMAL
CONDITION

Response by
the
front-ECU

70

FRONT ECU
ACK

Lighting switch: Other than OFF (excluding
when high-beam is on) or the wiper switch
is at position other than OFF (ignition
switch: ACC or ON)

NORMAL ACK

• Ignition switch: Other than ON

• Lighting switch: OFF

• Wiper switch: OFF

SLEEP ACK

• Lighting switch: HEAD

• Headlights: at high beam

HI-BEAM ACK

Other than the condition above

NO ACK

Response by
the
sunroof-ECU

72

S/R ECU ACK

1. Door switch: OFF
2. Ignition switch: ON

→ OFF

3. While sunroof is off

NORMAL ACK

→

SLEEP ACK (after
approximately 30
seconds)

1. Ignition switch: ON or START
2. One of the sunroof switches is on

INPUT CHECK to
NORMAL ACK

Other than the above conditions

NO ACK

SWS DIAGNOSIS

SIMPLIFIED WIRING SYSTEM (SWS)

54B-19

WIPER

ITEM

ITEM NO. INPUT SIGNAL

DISPLAY ON
DIAGNOSTIC TOOL

NORMAL CONDITION

F.WIPER HI

05

Windshield
intermittent wiper
switch

INT WIPER SW (COLUMN
ECU)

OFF

06

Windshield
low-speed wiper
switch

LO WIPER SW (COLUMN
ECU)

OFF

07

Windshield
high-speed wiper
switch

HI WIPER SW (COLUMN
ECU)

ON

08

Windshield mist
wiper switch

MIST WIPER SW
(COLUMN ECU)

OFF

09

Windshield washer
switch

FRONT WASH.SW
(COLUMN ECU)

OFF

31

Ignition switch
(ACC)

IG SW (ACC) (ETACS ECU) ON

70

Response by the
front-ECU

FRONT ECU ACK (FRONT
ECU)

NORMAL ACK or HI-BEAM
ACK

F.WIPER INT

05

Windshield
intermittent wiper
switch

INT WIPER SW (COLUMN
ECU)

ON

06

Windshield
low-speed wiper
switch

LO WIPER SW (COLUMN
ECU)

OFF

07

Windshield
high-speed wiper
switch

HI WIPER SW (COLUMN
ECU)

OFF

08

Windshield mist
wiper switch

MIST WIPER SW
(COLUMN ECU)

OFF

09

Windshield washer
switch

FRONT WASH.SW
(COLUMN ECU)

OFF

31

Ignition switch
(ACC)

IG SW (ACC) (ETACS ECU) ON

37

Windshield
intermittent wiper
interval

INT WIPE TIME (ETACS
ECU)

The diagnostic tool
MB991958 (MUT-III Sub
Assembly) displays
intermittent wiper interval in
response to the intermittent
wiper control positions.

70

Response by the
front-ECU

FRONT ECU ACK (FRONT
ECU)

NORMAL ACK or HI-BEAM
ACK

SWS DIAGNOSIS

SIMPLIFIED WIRING SYSTEM (SWS)

54B-20

.

F.WIPER LO

05

Windshield
intermittent wiper
switch

INT WIPER SW (COLUMN
ECU)

OFF

06

Windshield
low-speed wiper
switch

LO WIPER SW (COLUMN
ECU)

ON

07

Windshield
high-speed wiper
switch

HI WIPER SW (COLUMN
ECU)

OFF

08

Windshield mist
wiper switch

MIST WIPER SW
(COLUMN ECU)

OFF

09

Windshield washer
switch

FRONT WASH.SW
(COLUMN ECU)

OFF

31

Ignition switch
(ACC)

IG SW (ACC) (ETACS ECU) ON

70

Response by the
front-ECU

FRONT ECU ACK (FRONT
ECU)

NORMAL ACK or HI-BEAM
ACK

F.WIPER MIST 05

Windshield
intermittent wiper
switch

INT WIPER SW (COLUMN
ECU)

OFF

06

Windshield
low-speed wiper
switch

LO WIPER SW (COLUMN
ECU)

OFF

07

Windshield
high-speed wiper
switch

HI WIPER SW (COLUMN
ECU)

OFF

08

Windshield mist
wiper switch

MIST WIPER SW
(COLUMN ECU)

ON

09

Windshield washer
switch

FRONT WASH.SW
(COLUMN ECU)

OFF

31

Ignition switch
(ACC)

IG SW (ACC) (ETACS ECU) ON

70

Response by the
front-ECU

FRONT ECU ACK (FRONT
ECU)

NORMAL ACK or HI-BEAM
ACK

F.WIPER
WASH

08

Windshield mist
wiper switch

MIST WIPER SW
(COLUMN ECU)

OFF

09

Windshield washer
switch

FRONT WASH.SW
(COLUMN ECU)

ON

31

Ignition switch
(ACC)

IG SW (ACC) (ETACS ECU) ON

70

Response by the
front-ECU

FRONT ECU ACK (FRONT
ECU)

NORMAL ACK or HI-BEAM
ACK

ITEM

ITEM NO. INPUT SIGNAL

DISPLAY ON
DIAGNOSTIC TOOL

NORMAL CONDITION