Mitsubishi 380. Manual - part 5

 

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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

 

 

 

 

 

 

 

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