Mitsubishi Grandis. Manual - part 274

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-558

Step 5. Connector check: C-221 ETACS-ECU 
connector

Q: Is the check result normal?

YES : 

Go to Step 6.

NO : 

Repair the defective connector.

AC312037

Connector: C-221  <LHD>

Junction block (Rear view)

AD

Harness side

AC312047

Connector: C-221  <RHD>

Junction block (Rear view)

AD

Harness side

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-559

Step 6. Check the wiring harness from E-02 
interior lamp connector terminal Nos.6 and 7 to 
C-221 ETACS-ECU connector terminal Nos.53 
and 63.

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-560

AC312037

Connector: C-221  <LHD>

Junction block (Rear view)

AD

Harness side

AC312047

Connector: C-221  <RHD>

Junction block (Rear view)

AD

Harness side

AC310650

AB

Connectors: E-02, E-11

Harness side

E-02

E-11

E-02

E-11

<Vehicles without 
sunroof-LHD>

AC310654

AB

Connectors: E-02, E-11

Harness side

E-02

E-11

E-02

E-11

<Vehicles without 
sunroof-RHD>

AC310652

AB

Connectors: E-02, E-11

Harness side

E-02

E-11

E-02

E-11

<Vehicles with 
sunroof-LHD>

INPUT SIGNAL PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-561

NOTE: 

Prior to the wiring harness inspection, check 
intermediate connector E-11 and C-128, and repair if 
necessary.

• Check the input line for open circuit.

Q: Is the check result normal?

YES : 

Go to Step 7.

NO : 

Repair the wiring harness.

Step 7. ETACS switch data by using the SWS 
monitor

Check the input signal from the interior lamp switch.

• Interior lamp switch: from ON to OFF

OK: Normal condition is displayed.

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.

AC310656

AB

Connectors: E-02, E-11

Harness side

E-02

E-11

E-02

E-11

<Vehicles with 
sunroof-RHD>

Item No.

Item name

Normal 
conditions

Item 31

RM LMP ON SW

from ON to OFF

Item 32

RM LMP OFF SW

from OFF to ON

AC312031

AL

Connector: C-128 <LHD>

AC312043AL

Connector: C-128 <RHD>