Mitsubishi Montero (2004+). Manual - part 799

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-453

STEP 33. Check the wiring harness between rear personal 
light (LH) connector F-06 (terminal 3) and ground.

NOTE: Also check intermediate connectors D-26 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the 
connector. If intermediate connector D-26 is damaged, repair or 
replace the damaged component(s) as described in GROUP, 
Harness Connector Inspection 

P.00E-2

.

Q: Is the wiring harness between rear personal light (LH) 

connector (terminal 3) and ground in good condition?
YES : No action to be taken.
NO :  Repair the wiring harness. Verify that the rear 

personal light (LH) illuminates normally.

STEP 34. Check the rear personal light (RH).
Q: Does the dome light illuminate when the rear personal 

light (RH) switch is turned to the "ON" position?
YES : Go to Step 35.
NO :  Go to Step 37.

AC204178

CONNECTOR : F-06

AQ

HARNESS SIDE

AC204170

CONNECTOR : D-26

AG

2 3

1

7

6

12

11

8

13

5

4

9 10

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-454

STEP 35. Check rear personal light (RH) connectors F-04 
and ETACS-ECU connector D-222 for damage.
Q: Are rear personal light (RH) connector F-04 and 

ETACS-ECU connector D-222 in good condition?
YES : Go to Step 36.
NO :  Repair or replace the connector. Refer to GROUP 

00E, Harness Connector Inspection 

P.00E-2

. Verify 

that the rear personal light (RH) illuminates normally.

STEP 36. Check the wiring harness between rear personal 
light (RH) connector F-04 (terminal 3) and ETACS-ECU 
connector D-222 (terminal 18).

AC204174

CONNECTOR : D-222

AB

1

2

3

5

6

4

9 8

121110

13

15 14

16

17

7

19

20

18

JUNCTION BLOCK SIDE

D-222

AC204177

CONNECTOR: F-04

AO

HARNESS SIDE

F-04

AC204174

CONNECTOR : D-222

AB

1

2

3

5

6

4

9 8

121110

13

15 14

16

17

7

19

20

18

JUNCTION BLOCK SIDE

D-222

AC204177

CONNECTOR: F-04

AO

HARNESS SIDE

F-04

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-455

NOTE: Also check intermediate connector D-26 and junction 
block connector D-207 for loose, corroded, or damaged termi-
nals, or terminals pushed back in the connector. If junction 
block connector D-207 or intermediate connector D-26 is dam-
aged, 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 personal light (RH) 

connector F-04 (terminal 3) and ETACS-ECU connector 
D-222 (terminal 18) in good condition?
YES : Replace the ETACS-ECU. Verify that the rear 

personal light (RH) illuminates normally.

NO :  Repair the wiring harness. Verify that the rear 

personal light (RH) illuminates normally.

STEP 37. Check the rear personal light (RH) bulb.
Q: Is the rear personal light (RH) bulb in good condition?

YES : Go to Step 38.
NO :  Replace the bulb. Verify that the rear personal light 

(RH) illuminates normally.

STEP 38. Check rear personal light (RH) connector F-04 for 
damage.
Q: Is rear personal light (RH) connector F-04 in good 

condition?
YES : Go to Step 39.
NO :  Repair or replace the connector. Refer to GROUP 

00E, Harness Connector Inspection 

P.00E-2

. Verify 

that the rear personal light (RH) illuminates normally.

AC204170

CONNECTOR : D-26

AG

2 3

1

7

6

12

11

8

13

5

4

9 10

AC204173

CONNECTOR : D-207

AB

HARNESS SIDE

1

2

3

4

AC204177

CONNECTOR: F-04

AO

HARNESS SIDE

F-04

SYMPTOM PROCEDURES

TSB Revision

SIMPLIFIED WIRING SYSTEM (SWS)

54B-456

STEP 39. Check the fusible link (1) line of the power supply 
circuit to the rear personal light (RH). Test at rear personal 
light (RH) connector F-04.
(1) Disconnect rear personal light (RH) connector F-04 and 

measure the voltage available at the wiring harness side of 
the connector.

(2) Measure the voltage between terminal 1 and ground.

• The measured value should be approximately 12 volts 

(battery positive voltage).

Q: Does the measured voltage correspond with this range?

YES : Replace the rear personal light (RH). Verify that the 

rear personal light (RH) illuminates normally.

NO :  Go to Step 40.

STEP 40. Check the wiring harness between rear personal 
light (RH) connector F-04 (terminal 1) and fusible link (1).

AC204177

CONNECTOR: F-04

AO

HARNESS SIDE

F-04

AC209365

AC209365

AC209365

(HARNESS SIDE)

CONNECTOR D-04

IP

ACX02274

FUSIBLE LINK (1)

AE

BATTERY

AC204177

CONNECTOR: F-04

AO

HARNESS SIDE

F-04