Mitsubishi Grandis. Manual — part 231

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-386

Normal conditions are displayed for all the items. :

Go to Step 3.

Normal condition is not displayed for item No.03 :

Refer to inspection procedure Q-11 "The
key reminder switch signal is not received

P.54C-493

."

Normal condition is not displayed for item No.05,
07, 41 or 42 :

Refer to inspection procedure Q-14

"All the door switch signals are not received

P.54C-505

."

Normal condition is not displayed for item No.21
and 22 :

Refer to inspection procedure Q-15 "The

driver's door lock actuator switch signal is
not received <LH drive vehicles>

P.54C-514

or <RH drive vehicles>

P.54C-518

."

Normal condition is not displayed for item No.31 or
32 :

Refer to inspection procedure Q-22 "The
interior lamp "all on" or "all off" switch signal
is not sent to the ETACS-ECU

P.54C-553

."

Step 3. Retest the system.

Check that the right or left room lamp illuminates
when the interior lamp switch is operated.

Q: Is the check result normal?

YES :

Go to Step 6.

NO :

Go to Step 4.

Step 4. Connector check: C-219 ETACS-ECU
connector, E-02 room lamp connector

Q: Is the check result normal?

YES :

Go to Step 5.

NO :

Repair the defective connector.

AC310626

Connector: C-219

Junction block (Rear view)

<LHD>

AB

Junction block side

AC310620

Connector: C-219

Junction block
(Rear view)

<RHD>

AB

Junction block side

AC310651

AD

Connector: E-02 <LHD>

Harness side

AC310655

AE

Connector: E-02 <RHD>

Harness side

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-387

Step 5. Check the wiring harness from C-219
ETACS-ECU connector terminal No.6 to E-02
room lamp connector terminal No.10.

NOTE:

Prior to the wiring harness inspection, check
intermediate connector E-11 and junction block
connector C-211, and repair if necessary.

• Check the power supply line for open circuit.

Q: Is the check result normal?

YES :

Replace the room lamp.

NO :

Repair the wiring harness.

Step 6. Check the room lamp switch.

Check which position (ON or DOOR) of the room
lamp switch does not activate the room lamp.

Q: Which switch position does not activate the lamp?

The lamp illuminates at neither the ON nor DOOR
position. :

Go to Step 7.

The lamp does not illuminate at the ON position. :

Go to Step 7.

The lamp does not illuminate at the DOOR position.
:

Go to Step 9.

AC310626

Connector: C-219

Junction block (Rear view)

<LHD>

AB

Junction block side

AC310620

Connector: C-219

Junction block
(Rear view)

<RHD>

AB

Junction block side

AC310651

AD

Connector: E-02 <LHD>

Harness side

AC310655

AE

Connector: E-02 <RHD>

Harness side

AC310623

AC310623

Connector: C-211

AQ

<LHD>

Junction block (Front view)

Harness side

3

1

2

AC310618

AC310618

Connector: C-211 <RHD>

AS

Harness side

Junction block (Front view)

3

1

2

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-388

Step 7. Connector check: E-02 room lamp
connector

Q: Is the check result normal?

YES :

Go to Step 8.

NO :

Repair the defective connector.

Step 8. Check the bulbs of the room lamp.

Check that the room lamp bulbs are not burned out.

Q: Is the check result normal?

YES :

Replace the room lamp.

NO :

Replace the room lamp bulb.

Step 9. Connector check: E-02 room lamp
connector

Q: Is the check result normal?

YES :

Go to Step 10.

NO :

Repair the defective connector.

Step 10. Check the bulbs of the room lamp.

Check that the room lamp bulbs are not burned out.

Q: Is the check result normal?

YES :

Go to Step 11.

NO :

Replace the room lamp bulb.

AC310651

AD

Connector: E-02 <LHD>

Harness side

AC310655

AE

Connector: E-02 <RHD>

Harness side

AC310651

AD

Connector: E-02 <LHD>

Harness side

AC310655

AE

Connector: E-02 <RHD>

Harness side

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-389

Step 11. Connector check: C-219 ETACS-ECU
connector

Q: Is the check result normal?

YES :

Go to Step 12.

NO :

Repair the defective connector.

AC310626

Connector: C-219

Junction block (Rear view)

<LHD>

AB

Junction block side

AC310620

Connector: C-219

Junction block
(Rear view)

<RHD>

AB

Junction block side