Mitsubishi Grandis. Manual - part 235

 

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Mitsubishi Grandis. Manual - part 235

 

 

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-402

DIAGNOSTIC PROCEDURE

Step 1. Check the operation of the interior lamps.

Check that the interior lamps illuminate and 
extinguish normally.

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Refer to inspection procedure P-1 " The 
interior lamps (room ramp, rear personal 
lamps, door lamps, luggage compartment 
lamp, key illumination lamp) does not 
illuminate or extinguish normally 

P.54C-374

."

Step 2. SWS monitor data list
<Selected item> ETACS ECU

• Driver's door is open

OK: Normal condition is displayed.

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Refer to inspection procedure Q-5 "The 
driver's door switch signal is not received 
<LH drive vehicles>

P.54C-474

  or <RH 

drive vehicles>

P.54C-476

 ."

Step 3. ETACS switch data by using the SWS 
monitor

Check the ETACS-ECU signal related to the rear 
personal lamp illumination.

• Ignition switch: OFF (key inserted)

• Passenger’s door: Close → Open

• Tailgate: Close → Open

• Rear door (RH): Close → Open

• Rear door (LH): Close → Open

• Driver’s door: Unlock → Lock

• Room lamp on switch: ON

• Room lamp off switch: ON

OK: Normal conditions displayed for all the 
items.

Q: Is the check result normal?

Item No.

Item name

Normal 
condition

Item 32

DR DOOR SW

ON

Item No.

Item name

Normal 
condition

Item 03

KEY REMINSW

OFF

Item No.

Item name

Normal 
condition

Item 05

PASS DOOR SW

from OFF 
to ON

Item No.

Item name

Normal 
condition

Item 07

TRK LID LA SW

from OFF 
to ON

Item No.

Item name

Normal 
condition

Item 41

R.DOOR(RH) SW

from OFF 
to ON

Item No.

Item name

Normal 
condition

Item 42

R.DOOR(LH) SW

from OFF 
to ON

Item No.

Item name

Normal 
condition

Item 21

DR DOR LOK SW

from OFF 
to ON

Item 22

DR DOR ULOK SW

from ON 
to OFF

Item No.

Item name

Normal 
condition

Item 31

RM LMP ON SW

ON

Item No.

Item name

Normal 
condition

Item 31

RM LMP OFF SW

ON

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-403

Normal conditions are displayed for all the items. : 

Go to Step 4.

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, 41or 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 32 : 

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.31or 
42 : 

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 4. Retest the system.

Check which lamp does not illuminate when the lamp 
switches are operated.

Q: Which lamp does not illuminate?

No lamps illuminate : 

Go to Step 5.

One of the second seat lamps (RH or LH) or the 
third seat lamps (RH or LH) does not illuminate. : 

Go to Step 9.

Step 5. Check the rear personal lamp switches.

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

Q: Which switch position does not activate the lamp?

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

Go to Step 6.

The lamp does not illuminate at the DOOR position. 

Go to Step 8.

The lamp does not illuminate at the ON position. : 

Replace the room lamp.

Step 6. Connector check: C-219 ETACS-ECU 
connector, E-09 rear personal lamp connector

Q: Is the check result normal?

YES : 

Go to Step 7.

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

AC310651

AG

Connector: E-09 <LHD>             

Harness side

AC310655

AC310655

AH

Connector: E-09 <RHD>             

Harness side

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-404

Step 7. Check the wiring harness from C-219 
ETACS-ECU connector terminal No.6 to E-09 rear 
personal lamp connector terminal No.2.

NOTE: 

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

• Check the earth wires for open circuit.

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 : 

Repair the wiring harness.

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

AC310651

AG

Connector: E-09 <LHD>             

Harness side

AC310655

AC310655

AH

Connector: E-09 <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

AC310651

AC310651

AH

Connector: E-11 <LHD>             

AC310655

AC310655

AI

Connector: E-11 <RHD>             

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-405

Step 8. Check the wiring harness from C-219 
ETACS-ECU connector terminal No.5 to E-09 rear 
personal lamp connector terminal No.3.

NOTE: 

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

• Check the earth wires for open circuit.

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 : 

Repair the wiring harness.

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

AC310651

AG

Connector: E-09 <LHD>             

Harness side

AC310655

AC310655

AH

Connector: E-09 <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

AC310651

AC310651

AH

Connector: E-11 <LHD>             

AC310655

AC310655

AI

Connector: E-11 <RHD>             

 

 

 

 

 

 

 

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