Mitsubishi Lancer Evolution IX. Manual — part 258

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-291

Step 5. Check the wiring harness from terminal
No.2 of the D-18 <front: LH>, D-01 <front: RH>,
D-08 <rear: RH> or D-11 <rear: LH> door switch
connector to terminal No.7 of the C-226
ETACS-ECU connector.

NOTE:

Prior to the wiring harness inspection, check interme-
diate connector C-113 <RH> and junction block con-
nector C-214 <RH> or C-217 <LH>, and repair if
necessary.

• Check the input line for open circuit.

Q: Is the check result normal?

YES :

Go to Step 6.

NO :

Repair the wiring harness between each of
the door switches and the ETACS-ECU.

Step 6. Pulse check
Check the input signals from all the door switches.

OK: The M.U.T.-II/III sounds or the voltmeter
needle fluctuates.

Q: Is the check result normal?

YES :

The trouble can be an intermittent

malfunction (Refer to GROUP 00

− How to

Cope with Intermittent Malfunction

P.00-5

).

NO :

Replace the ETACS-ECU.

AC310450

Connector: C-226

AB

Junction block side

Junction block (rear view)

<LHD>

AC310463

<LHD>

AC

Harness side

Harness side

D-01

D-08

D-01

Connectors: D-01, D-08

D-08

AC310465

Harness side

D-11

D-11

AD

Connectors: D-11, D-18
<LHD>

Harness side

D-18

D-18

AC310452

Connector: C-113

AF

<LHD>

System switch

Check condition

All of the door switches

A door is opened when
all the doors are closed

AC310449

C-214
Harness side

21

7

16 15

17

18

20 19

1

2

3

4

5

6

23 22

24

25

28

26

27

9

8

10

11

14

12

13

Connectors: C-214, C-217

AB

C-214

Junction block (front view)

<LHD>

C-217

C-217

Harness side

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-292

INSPECTION PROCEDURE L-11: All the door switch signals are not received. <RH drive vehicles>

CAUTION

Whenever the ECU is replaced, ensure that the
input signal circuit is normal.

COMMENTS ON TROUBLE SYMPTOM

Input signals from all the door switches are used to
operate the functions below. If the signal(s) are
abnormal, these functions will not work normally.

• Keyless entry system

• Room lamps

POSSIBLE CAUSES

• Malfunction of the door switches

• Malfunction of the ETACS-ECU

• Damaged harness wires and connectors

ETACS-ECU

DOOR
SWITCH
(FRONT: LH)

DOOR
SWITCH
(REAR: LH)

DOOR
SWITCH
(REAR: RH)

DOOR
SWITCH
(FRONT: RH)

J/B SIDE

Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Gray R : Red P : Pink V : Violet

All Door Switches Input Circuit <RHD>

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-293

DIAGNOSTIC PROCEDURE

Step 1. SWS monitor data list.

<Selected item> ETACS ECU

• Driver's door is open

OK: Normal condition is displayed.

Q: Is the check result normal?

YES :

Go to Step 2.

NO :

Refer to Inspection Procedure L-3 "The door
switch (front: RH) signal is not received <RH
drive vehicles>

P.54C-265

."

Step 2. Connector check: D-18 <front: LH>, D-01
<front: RH>, D-08 <rear: RH> or D-11 <rear: LH>
door switch connectors, and C-226 ETACS-ECU
connector

Q: Is the check result normal?

YES :

Go to Step 3.

NO :

Repair the defective connector.

Step 3. Check the installation condition.
Check that the door switch is installed on the body
correctly.

Q: Is the check result normal?

YES :

Go to Step 4.

NO :

Correct the installation condition.

Step 4. Check the door switch.
Refer to GROUP 42

− Door

P.42-27

.

Q: Is the check result normal?

YES :

Go to Step 5.

NO :

Replace the door switch.

Item No.

Item name

Normal condition

Item 32

DR DOOR SW

ON

AC310461

Junction block (rear view)

Connector: C-226

AB

<RHD>

Junction block side

AC310471

Harness side

AB

Connector: D-01
<RHD>

AC310474

Harness side

D-11

D-08

AB

Connectors: D-08, D-11, D-18
<RHD>

D-011

Harness side

D-08

Harness side

D-18

D-18

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-294

Step 5. Check the wiring harness from terminal
No.2 of the D-18 <front: LH>, D-01 <front: RH>,
D-08 <rear: RH> or D-11 <rear: LH> door switch
connector to terminal No.7 of the C-226
ETACS-ECU connector.

NOTE:

Prior to the wiring harness inspection, check interme-
diate connector C-127 <LH> and junction block con-
nector C-217 <RH> or C-214 <LH>, and repair if
necessary.

• Check the input line for open circuit.

Q: Is the check result normal?

YES :

Go to Step 6.

NO :

Repair the wiring harness between each of
the door switches and the ETACS-ECU.

AC310461

Junction block (rear view)

Connector: C-226

AB

<RHD>

Junction block side

AC310471

Harness side

AB

Connector: D-01
<RHD>

AC310474

Harness side

D-11

D-08

AB

Connectors: D-08, D-11, D-18
<RHD>

D-011

Harness side

D-08

Harness side

D-18

D-18

AC310455

Connector: C-127

AC

<RHD>

AC310459

Connectors: C-214, C-217

AB

C-217

C-214

Junction block (front view)

<RHD>

C-214
Harness side

21

7

16 15

17

18

20 19

1

2

3

4

5

6

23 22

24

25

28

26

27

9

8

10

11

14

12

13

C-217
Harness side