Mitsubishi Galant (2004+). Manual - part 315

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-451

NOTE: Also check intermediate connector D-37 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the 
connector. If intermediate connector D-37 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 rear dome light 

connector D-07 and ground in good condition?
YES : Replace the rear dome light. Check that the rear 

dome light illuminates 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. Check that 
the rear dome light illuminates normally.

STEP 13. Check the wiring harness between rear dome 
light connector D-07 (terminals 1 and 2) and ETACS-ECU 

connector C-219 (terminals 6 and 5).

AC305264

AK

CONNECTOR: D-37

AC305413 AG

CONNECTOR: C-219

JUNCTION BLOCK SIDE

JUNCTION BLOCK

(REAR VIEW)

AC305268

CONNECTOR: D-07

AF

HARNESS SIDE

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-452

NOTE: Also check intermediate connector D-37 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the 
connector. If intermediate connector D-37 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 rear dome light 

connector D-07 (terminals 1 and 2) and ETACS-ECU 
connector C-219 (terminals 6 and 5) in good condition?
YES : Replace the rear dome light. Check that the rear 

dome light illuminates 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. Check that 
the rear dome light illuminates normally.

STEP 14. Check the input signal (by using the pulse check 
mode of the monitor).

Check the input signals from the trunk lid latch assembly.

• Check whether scan tool MB991958 sounds or not when 

the trunk is opened.

(1) Operate scan tool MB991958 according to the procedure 

below to display "Pulse checking."

a. Select "Interactive Diagnosis."
b. Select "System Select."
c. Select "SWS."
d. Select "Pulse Checking."

Q: Does scan tool MB991958 sound when the trunk is 

opened and closed?
YES : Go to Step 15.
NO :  Refer to Inspection Procedure N-7 "ETACS-ECU 

does not receive any signal from the trunk lid latch 
assembly 

P.54B-560

."

AC305264

AK

CONNECTOR: D-37

AC305412

AB

MB991910

DATA LINK

CONNECTOR

MB991824

MB991827

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-453

STEP 15. Check trunk light connector D-10, ETACS-ECU 
connectors C-218 and C-219 for loose, corroded or 
damaged terminals, or terminals pushed back in the 
connector.

Q: Is trunk light connector D-10, ETACS-ECU connectors 

C-218 and C-219 in good condition?
YES : Go to Step 16.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

. Check that the trunk light illuminates 

normally.

STEP 16. Check the trunk light bulb.
Q: Is the trunk light bulb in good condition?

YES : Go to Step 17.
NO :  Replace the trunk light bulb. Check that the trunk light 

illuminates normally.

AC305414

CONNECTORS: C-218, C-219

JUNCTION BLOCK
(REAR VIEW)

C-219

C-218 (GR)

HARNESS SIDE

C-218

C-219

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

JUNCTION BLOCK SIDE

AC

AC305268

D-10

HARNESS SIDE

CONNECTOR: D-10

AG

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-454

STEP 17. Check the wiring harness between trunk light 
connector D-10 (terminals 1 and 2) and ETACS-ECU 
connector C-219 (terminal 6) or C-218 (terminal 52).

AC305414

CONNECTORS: C-218, C-219

JUNCTION BLOCK
(REAR VIEW)

C-219

C-218 (GR)

HARNESS SIDE

C-218

C-219

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

JUNCTION BLOCK SIDE

AC

AC305268

D-10

HARNESS SIDE

CONNECTOR: D-10

AG