Mitsubishi Lancer Evolution IX. Manual - part 166

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-227

Step 5. Connector check: D-05 front room lamp 
connector, D-07 rear room lamp connector

Q: Is the check result normal?

YES : 

Go to Step 6.

NO : 

Repair the defective connector.

Step 6. Check the bulbs of the front or rear room 
lamps.
Check that the front or rear room lamp bulbs are not 
burned out.

Q: Is the check result normal?

YES : 

Go to Step 7.

NO : 

Replace the front or rear room lamp bulb.

Step 7. Connector check: C-226 ETACS-ECU 
connector

Q: Is the check result normal?

YES : 

Go to Step 8.

NO : 

Repair the defective connector.

AC310464

Harness side

D-05

D-05

AB

Connectors: D-05, D-07

Harness side

D-07

<LHD>

D-07
(GR)

AC310472

Harness side

D-05

D-05

AB

Connectors: D-05, D-07

Harness side

D-07

<RHD>

D-07
(GR)

AC310450

Connector: C-226

AB

Junction block side

Junction block (rear view)

<LHD>

AC310461

Junction block (rear view)

Connector: C-226

AB

<RHD>

Junction block side

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-228

Step 8. Check the wiring harness from C-226 
ETACS-ECU connector terminal Nos.5 and 6 to 
D-05 front room lamp connector terminal Nos.2 
and 1 or D-07 rear room lamp connector terminal 
Nos.2 and 1.

NOTE: 

Prior to the wiring harness inspection, check junction 
block connector C-218, and repair if necessary.

• Check the input or output lines for open circuit.

Q: Is the check result normal?

YES : 

Go to Step 9.

NO : 

Repair the wiring harness.

AC310450

Connector: C-226

AB

Junction block side

Junction block (rear view)

<LHD>

AC310461

Junction block (rear view)

Connector: C-226

AB

<RHD>

Junction block side

AC310464

Harness side

D-05

D-05

AB

Connectors: D-05, D-07

Harness side

D-07

<LHD>

D-07
(GR)

AC310472

Harness side

D-05

D-05

AB

Connectors: D-05, D-07

Harness side

D-07

<RHD>

D-07
(GR)

AC310448

Harness side

Junction block (front view)

Connector: C-218

AL

<LHD>

AC310458

Harness side

Junction block (front view)

Connector: C-218

AJ

<RHD>

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-229

Step 9. Retest the system.
Check that the front or rear room lamp illuminates 
and extinguishes normally.

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.

Step 10. Connector check: F-02 luggage 
compartment lamp connector, F-09 luggage 
compartment lamp switch connector

Q: Is the check result normal?

YES : 

Go to Step 11.

NO : 

Repair the defective connector.

AC310468

Connectors: F-02, F-09
<LHD>

Harness side

F-02

Harness side

F-09

AB

F-09 (B)

F-02

AC310470

Connectors: F-02, F-09
<RHD>

Harness side

F-02

Harness side

F-09

AB

F-02

F-09 (B)

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) NOT USING SWS MONITOR

54B-230

Step 11. Check the bulbs of the luggage 
compartment lamp.
Check that the luggage compartment lamp bulb are 
not burned out.

Q: Is the check result normal?

YES : 

Go to Step 12.

NO : 

Replace the luggage compartment lamp 
bulb.

Step 12. Check the luggage compartment lamp 
switch.
Check the luggage compartment lamp switch.Refer 
to GROUP 42 

− Trunk lid 

P.42-39

.

Q: Is the check result normal?

YES : 

Go to Step 13.

NO : 

Replace the luggage compartment lamp 
switch.

Step 13. Check the wiring harness from F-02 
luggage compartment lamp connector terminal 
No.2 to F-09 luggage compartment lamp switch 
connector terminal No.1.

• Check the earth wires for open circuit.

Q: Is the check result normal?

YES : 

Go to Step 14.

NO : 

Repair the wiring harness.

AC310468

Connectors: F-02, F-09
<LHD>

Harness side

F-02

Harness side

F-09

AB

F-09 (B)

F-02

AC310470

Connectors: F-02, F-09
<RHD>

Harness side

F-02

Harness side

F-09

AB

F-02

F-09 (B)