Mitsubishi 380. Manual - part 34

SYMPTOM PROCEDURES

SIMPLIFIED WIRING SYSTEM (SWS)

54B-133

STEP 6. Check the wiring harness between ETACS-ECU 
connector C-219 (terminal 12) and front door lock actuator 
(RH) connector E-05 (terminal 4).

NOTE: Also check intermediate connector C-12 and junction 
block connector C-211 for loose, corroded, or damaged termi-
nals, or terminals pushed back in the connector. If intermediate 
connector C-12 or junction block connector C-211 is damaged, 
repair or replace the damaged component(s) as described in 
GROUP 00E, Harness Connector Inspection 

P.00E-2

.

Q: Is the wiring harness between ETACS-ECU connector 

C-219 (terminal 12) and front door lock actuator (RH) 
connector E-05 (terminal 4) in good condition?
YES : Replace the ETACS-ECU. Verify that all the doors 

can be locked and unlocked normally.

NO :  The wiring harness may be damaged or the 

connector(s) may have loose, corroded or damaged 
terminals, or terminals pushed back in the connector. 
Repair or replace the damaged component(s). Verify 
that the central door locking system works normally.

54DB014A

CONNECTOR: C-219

JUNCTION BLOCK SIDE

JUNCTION BLOCK

(REAR VIEW)

16DB308A

E-05 (B)

HARNESS SIDE

CONNECTOR: E-05

16DB310A

CONNECTOR: C-12

SYMPTOM PROCEDURES

SIMPLIFIED WIRING SYSTEM (SWS)

54B-134

STEP 7. Check front door lock actuator (LH) connector 
E-15 for loose, corroded or damaged terminals, or 
terminals pushed back in the connector.
Q: Is front door lock actuator (LH) connector E-15 in good 

condition?
YES : Go to Step 8.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

. Verify that all the doors can be locked and 

unlocked normally.

STEP 8. Check the front door lock actuator (LH).
Remove the front door lock actuator (LH). The illustration 
shows when the door lock actuator is viewed from inside the 
door. Refer to GROUP 42 

− Door Handle and Latch 

P.42-46

.

Q: Is the front door lock actuator (LH) normal?

YES : Go to Step 9.
NO :  Replace the front door lock actuator (LH). Verify that 

all the doors can be locked and unlocked normally.

16DB320A

CONNECTOR: E-15

E-15 (B)

HARNESS SIDE

LEVER 
POSITION

BATTERY 
CONNECTION

LEVER 
OPERATION

At the "LOCK" 
position

• Connect terminal 4 

to the negative 
battery terminal

• Connect terminal 6 

to the positive 
battery terminal

The lever moves 
from the "LOCK" 
position to the 
"UNLOCK" 
position.

At the 
"UNLOCK" 
position

• Connect terminal 6 

to the negative 
battery terminal

• Connect terminal 4 

to the positive 
battery terminal

The lever moves 
from the 
"UNLOCK" position 
to the "LOCK" 
position.

16DB321A

1 2 3

4 5 6

VIEW A

B

LOCK

LEVER

UNLOCK

SYMPTOM PROCEDURES

SIMPLIFIED WIRING SYSTEM (SWS)

54B-135

STEP 9. Check ETACS-ECU connector C-219 for loose, 
corroded or damaged terminals, or terminals pushed back 
in the connector.
Q: Is ETACS-ECU connector C-219 in good condition?

YES : Go to Step 10.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

. Verify that all the doors can be locked and 

unlocked normally.

STEP 10. Check the wiring harness between ETACS-ECU 
connector C-219 (terminals 12 and 13) and front door lock 
actuator (LH) connector E-15 (terminals 4 and 6).

54DB014A

CONNECTOR: C-219

JUNCTION BLOCK SIDE

JUNCTION BLOCK

(REAR VIEW)

54DB014A

CONNECTOR: C-219

JUNCTION BLOCK SIDE

JUNCTION BLOCK

(REAR VIEW)

16DB320A

CONNECTOR: E-15

E-15 (B)

HARNESS SIDE

SYMPTOM PROCEDURES

SIMPLIFIED WIRING SYSTEM (SWS)

54B-136

NOTE: Also check intermediate connector C-26 and junction 
block connector C-211 for loose, corroded, or damaged termi-
nals, or terminals pushed back in the connector. If intermediate 
connector C-26 or junction block connector C-211 is damaged, 
repair or replace the damaged component(s) as described in 
GROUP 00E, Harness Connector Inspection 

P.00E-2

.

Q: Is the wiring harness between ETACS-ECU connector 

C-219 (terminals 12 and 13) and front door lock actuator 
(LH) connector E-15 (terminals 4 and 6) in good 
condition?
YES : Replace the ETACS-ECU. Verify that all the doors 

can be locked and unlocked normally.

NO :  The wiring harness may be damaged or the 

connector(s) may have loose, corroded or damaged 
terminals, or terminals pushed back in the connector. 
Repair the wiring harness as necessary.

STEP 11. Check rear door lock actuator (LH) connector 
E-18 for loose, corroded or damaged terminals, or 
terminals pushed back in the connector.
Q: Is rear door lock actuator (LH) connector E-18 in good 

condition?
YES : Go to Step 12.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

. Verify that all the doors can be locked and 

unlocked normally.

16DB322A

CONNECTOR:C-26

16DB323A

E-18 (B)

HARNESS SIDE

CONNECTOR: E-18