Mitsubishi Montero (2004+). Manual — part 570

RV METER

TSB Revision

CHASSIS ELECTRICAL

54A-249

1. Ensure that the ignition switch is at the "LOCK" (OFF)

position.

2. Start up the personal computer.
3. Connect special tool MB991827 to special tool MB991824

and the personal computer.

4. Connect special tool MB991911 to special tool MB991824.
5. Connect special tool MB991911 to the data link connector.
6. Turn the power switch of special tool MB991824 to the "ON"

position.
NOTE: When special tool MB991824 is energized, special
tool MB991824 indicator light will be illuminated in a green
color.

7. Start the MUT-III system on the personal computer.

NOTE: Disconnecting scan tool MB991958 is the reverse of
the connecting sequence, making sure that the ignition
switch is at the "LOCK" (OFF) position.

SYMPTOM CHART

M1543007201235

AC306409AF

MB991911

MB991824

MB991827

SYMPTOM

INSPECTION
PROCEDURE

REFERENCE
PAGE

The RV meter does not shown any information

1

P.54A-250

The low battery warning screen is displayed.

2

P.54A-257

The abnormal drive range is displayed.

3

P.54A-260

The ambient temperature is not displayed normally.

4

P.54A-267

The compass does not indicate normally.

5

P.54A-274

The air-conditioner information is not displayed.

6

P.54A-276

RV METER

TSB Revision

CHASSIS ELECTRICAL

54A-250

SYMPTOM PROCEDURES

INSPECTION PROCEDURE 1: The RV Meter does not Show Any Information.

AC204940

RV Meter Power Supply Circuit

RV METER

TSB Revision

CHASSIS ELECTRICAL

54A-251

.

CIRCUIT OPERATION
The RV meter is energized by the battery through the
ignition switch (ACC) and (IG1).

.

TECHNICAL DESCRIPTION (COMMENT)
The ground circuit, the battery circuit, the ignition
switch (ACC) circuit or the ignition switch (IG1) circuit
is suspected to be open or defective.

.

TROUBLESHOOTING HINTS

• Malfunction of the RV meter

• Damaged harness wires and connectors

.

DIAGNOSIS

Required Special Tool:

• MB991223: Harness Set

STEP 1. Check the RV meter ground circuit at the RV meter
connector D-07 by backprobing.

(1) Do not disconnect the RV meter connector D-07.

(2) Measure the resistance between terminal 28 and ground by

backprobing.

Q: Is the resistance value less than 2 ohms?

YES : Go to Step 4.
NO : Go to Step 2.

AC204170

CONNECTORS : D-02, D-07, D-28, D-29, D-30

DB

D-30

D-07(B)

D-02

D-28

D-29

AC204173

CONNECTORS : D-208, D-210

BF

D-208

D-210

AC204170

CONNECTOR : D-07

CT

HARNESS SIDE

D-07(B)

D-07(B)

22

23

30

31

25

26

33

34

32

24

28

3635

27

29

21

AC204738 DT

HARNESS SIDE: D-07

28

26

34

27

35

25

33

23 24

32

36

22

30

21

29

31

RV METER

TSB Revision

CHASSIS ELECTRICAL

54A-252

STEP 2. Check the RV meter connector D-07 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is the RV meter connector D-07 in good condition?

YES : Go to Step 3.
NO : Repair or replace it. Refer to GROUP 00E, Harness

Connector Inspection

P.00E-2

.

STEP 3. Check the harness wires between RV meter
connector D-07 (terminal 28) and ground.

NOTE: Also check joint connectors D-30, check the wires. If
joint connectors D-30 is damaged, repair or replace it. Refer to
GROUP 00E, Harness Connector Inspection

P.00E-2

.

Q: Is the harness wires between RV meter connector D-07

(terminal 28) and ground in good condition?
YES : Go to Step 4.
NO : Replace the RV meter. The RV meter should work

normally.

AC204170

CONNECTOR : D-07

CT

HARNESS SIDE

D-07(B)

D-07(B)

22

23

30

31

25

26

33

34

32

24

28

3635

27

29

21

AC204188

CONNECTORS: D-07, D-30

D-30

BQ

D-30

9 10

8

6 7

31 32

30

29

18 19 20 21

5

4

2

1

3

27

26

24

23

25

12 13 14 15 16 17

28

11
22
33

HARNESS SIDE

D-07(B)

D-07(B)

22

23

30

31

25

26

33

34

32

24

28

3635

27

29

21