Mitsubishi Lancer Evolution IX. Manual — part 127

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-71

INSPECTION PROCEDURE C-5: The impact detection door unlock function does not function.

CAUTION

Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.

COMMENTS ON TROUBLE SYMPTOM

If the impact detection door unlock function does not
work normally, the input signal circuit from the impact
detection sensor, the SRS-ECU or the ETACS-ECU
may be defective.

POSSIBLE CAUSES

• Malfunction of the SRS-ECU

• Malfunction of the ETACS-ECU

• Damaged harness wires and connectors

DIAGNOSTIC PROCEDURE

Use the M.U.T.-II/III to confirm a diagnosis code.
Check whether the ETACS-ECU sets diagnosis code
No.31 or 32.

Q: Is the diagnosis code set?

YES :

Refer to

P.54B-30

.

NO :

Replace the ETACS-ECU.

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-72

POWER WINDOW

INSPECTION PROCEDURE D-1: Power windows do not work at all.

CAUTION

Whenever the ECU is replaced, ensure that the
input and output signal circuits are normal.

POWER WINDOW
RELAY

ETACS-ECU

FRONT
POWER
WINDOW
SUB
SWITCH
(RH)

REAR
POWER
WINDOW
SUB
SWITCH
(LH)

REAR
POWER
WINDOW
SUB
SWITCH
(RH)

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

J/B SIDE

CPU

Power Window Relay Circuit <LHD>

FUSIBLE
LINK

5

POWER WINDOW
MAIN SWITCH

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-73

COMMENTS ON TROUBLE SYMPTOM

If the power windows do not work at all, the power
window relay, the power window main switch or the
ETACS-ECU may be defective.

POSSIBLE CAUSES

• Malfunction of the power window relay

• Malfunction of the power window main switch

• Malfunction of the ETACS-ECU

• Damaged harness wires and connectors

DIAGNOSIS PROCEDURE

Step 1. Pulse check
Check the input signal from the ignition switch.

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

FUSIBLE LINK

5

POWER WINDOW
RELAY

J/B SIDE

POWER WINDOW
MAIN SWITCH

FRONT
POWER
WINDOW
SUB
SWITCH
(LH)

REAR
POWER
WINDOW
SUB
SWITCH
(LH)

REAR
POWER
WINDOW
SUB
SWITCH
(RH)

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

CPU

Power Window Relay Circuit <RHD>

System switch

Check condition

Ignition switch (IG1) When turned from ACC to

ON

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-74

Q: Is the check result normal?

YES :

Go to Step 2.

NO :

Refer to inspection procedure A-2 "When
the ignition switch is at the LOCK (OFF)
position, the functions do not work normally.
Check the battery power supply circuit to
the ETACS-ECU

P.54B-42

."

Step 2. Connector check: C-224 power window
relay connector

Q: Is the check result normal?

YES :

Go to Step 3.

NO :

Repair the connector.

Step 3. Check the power window relay.
Refer to GROUP 42

− Door − On-vehicle Service

P.42-24

.

Q: Is the check result normal?

YES :

Go to Step 4.

NO :

Replace the power window relay.

Step 4. Connector check: E-05 power window
main switch connector

Q: Is the check result normal?

YES :

Go to Step 5.

NO :

Repair the connector.

AC310448

AI

Connector: C-224 <LHD>

Junction block (front view)

Junction block side

AC310458

AG

Connector: C-224 <RHD>

Junction block (front view)

Junction block
side

AC310484

Connector: E-05 <LHD>

AD

Harness side

10

1

6

14

5

12

13

4

11

7

2

3

8

9

Front door (LH)

AC310493

Connector: E-05 <RHD>

AG

Harness side

10

1

6

14

5

12

13

4

11

7

2

3

8

9

Front door (RH)