Mitsubishi Grandis. Manual - part 243

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-434

Step 5. Check the bulbs of the luggage 
compartment lamp.

Check that the luggage compartment lamp bulbs are 
not burned out.

Q: Is the check result normal?

YES : 

Go to Step 6.

NO : 

Replace the luggage compartment lamp 
bulb.

Step 6. Connector check: C-221 ETACS-ECU 
connector

Q: Is the check result normal?

YES : 

Go to Step 7.

NO : 

Repair the defective connector.

AC310626

Connector: C-221

Junction block (Rear view)

<LHD>

AC

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

Harness side

C-221(GR)

AC310620

Connector: C-221

Junction block 
(Rear view)

<RHD>

AC

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

Harness side

C-221(GR)

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-435

Step 7. Check the wiring harness from C-221 
ETACS-ECU connector terminal No.52 to G-12 
luggage compartment lamp connector terminal 
No.2.

NOTE: 

Prior to the wiring harness inspection, check 
intermediate connector C-16, G-14, and repair if 
necessary.

• Check the earth wires for open circuit.

Q: Is the check result normal?

YES : 

Go to Step 8.

NO : 

Repair the wiring harness.

AC310626

Connector: C-221

Junction block (Rear view)

<LHD>

AC

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

Harness side

C-221(GR)

AC310620

Connector: C-221

Junction block 
(Rear view)

<RHD>

AC

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

Harness side

C-221(GR)

AC310222

Connector: G-12

AI

G-12

Harness side

AC310615

AE

Connector: C-16 <LHD>

AC310631 AD

Connector: C-16 <RHD>

AC310222

AC310222

Connector: G-14

AK

2

1

4

3

13

8

11

10

5

7

12

6

14

9

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-436

Step 8. Connector check: C-219 ETACS-ECU 
connector

Q: Is the check result normal?

YES : 

Go to Step 9.

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

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-437

Step 9. Check the wiring harness from C-219 
ETACS-ECU connector terminal No.6 to G-12 
luggage compartment lamp connector terminal 
No.1.

NOTE: 

Prior to the wiring harness inspection, check 
intermediate connector G-14, junction block 
connector C-210, and repair if necessary.

• Check the power supply line for open circuit.

Q: Is the check result normal?

YES : 

Go to Step 10.

NO : 

Repair the wiring harness.

Step 10. Retest the system.

Check that the luggage compartment 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 luggage compartment lamp.

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

AC310222

Connector: G-12

AI

G-12

Harness side

AC310623

Connector: C-210 <LHD>

AS

Harness side

Junction block (Front view)

AC310618

Connector: C-210 <RHD>

AQ

Harness side

Junction block (Front view)

AC310222

AC310222

Connector: G-14

AK

2

1

4

3

13

8

11

10

5

7

12

6

14

9