Mitsubishi Montero (2002-2004). Manual - part 515

RV METER

TSB Revision

CHASSIS ELECTRICAL

54A-231

15

Input/
output

K (engine K-line 
signal)

Hi: Battery 
positive 
voltage
Lo: 0 

− 1

Open 
circuit 

Short 
circuit

•Drive range is not displayed.
•Connection, communication 

error.
•Impossible to communicate 

between power train control 
module and the scan tool.
•Values of drive information 

display are abnormal.

16 

− 18

−

−

−

−

−

−

19

Input/
output

M-BUSY (A/C)

Hi: 5
Lo: 0 

− 1

Open 
circuit

Short 
circuit

•Air-conditioner information 

screen is not displayed.
•Ambient temperature is not 

indicated.

20

−

SHIELD-GND

−

−

−

−

21 

− 22

−

−

−

−

−

−

23

Input EX-TEMP 

(ambient 
temperature 
sensor signal)

0 

− 5

Open 
circuit 

Short 
circuit

Ambient temperature is not 
displayed. (MANUAL A/C)

24

Input

ILL + (lighting 
switch)

Hi: Battery 
positive 
voltage
Lo: 0 

− 1

Open 
circuit 

Short 
circuit

Not lighted.

25

Input

ACC (ACC power 
supply)

Battery 
positive 
voltage

Open 
circuit 

−

Screen is not displayed. All 
operations are not possible.

−

Short 
circuit 

Multi-use fuse is blown.

26

Input

+B

Battery 
positive 
voltage

Open 
circuit

−

Screen is not displayed. All 
operations are not possible.

−

Short 
circuit

Multi-use fuse is blown.

27

Input

VSS (Vehicle 
speed pulse 
signal)

Hi: Battery 
positive 
voltage
Lo: 0 

− 1

Open 
circuit

Short 
circuit

Abnormal maintenance 
screen display

28

−

GND (earth)

−

Open 
circuit

−

Screen is not displayed.

29 

− 30

−

−

−

−

−

−

31

−

GND 

− TEMP

−

Open 
circuit

Short 
circuit

Ambient temperature is not 
displayed. (MANUAL A/C)

TERMINAL 
NO.

INPUT/
OUTPUT

SIGNAL
SYMBOL

TERMINAL 
VOLTAGE 
(V)

HARNESS 
DISCREPANCY

FAILURE SYMPTOM DUE 
TO HARNESS 
DISCREPANCY

RV METER

TSB Revision

CHASSIS ELECTRICAL

54A-232

SPECIAL TOOLS

M1543000600433

32

−

ILL (illumination 
light control 
signal)

0.4

Open 
circuit 

Short 
circuit

Screen control is not possible.

33

Input

FUEL GAUGE

0 

− 3

Open 
circuit

Short 
circuit

Abnormal drive range value 
indication

34 

− 36

−

−

−

−

−

−

TERMINAL 
NO.

INPUT/
OUTPUT

SIGNAL
SYMBOL

TERMINAL 
VOLTAGE 
(V)

HARNESS 
DISCREPANCY

FAILURE SYMPTOM DUE 
TO HARNESS 
DISCREPANCY

TOOL

TOOL NUMBER 
AND NAME

SUPERSESSION

APPLICATION

MB991502 Scan tool 
(MUT-II)

MB991496-OD

Check the A/C-ECU

MB991223
A: MB991219
B: MB991220 
C: MB991221
D: MB991222
Harness set
A: Test harness
B: LED harness
C: LED harness 

adapter

D: Probe

MB991223

Making voltage and 
resistance measurements 
during troubleshooting

A: Connect pin contact 

pressure inspection

B: Power circuit 

inspection

C: Power circuit 

inspection

D: Commercial tester 

connection

B991502

MB991223

A

B

C

D

AC

RV METER

TSB Revision

CHASSIS ELECTRICAL

54A-233

ON-VEHICLE SERVICE

VEHICLE MAGNETIC COMPENSATION

M1543009700158

Confirmation of magnetization and 
demagnetization

The RV meter automatically conducts geomagnetization cali-
bration by sampling direction data while the vehicle is normally 
driving. The calibration can be done manually at any time.

.

1. Press function switch 3 for three seconds or more during the 

environment information screen to call up the screen as 
shown in the illustration.

2. When function switch 3 (CAL.COMP) is pressed, a message 

of urging geomagnetization calibration is displayed.

3. Drive around the vehicle.

NOTE: When driving around the vehicle to correct the sen-
sor, select a safe and open area where there are no struc-
tures exist such as the high-tension line and the iron bridge 
that affect the geomagnetic sensor in circumference. 

4. A message of completing geomagnetization calibration is 

displayed.

• When pressing "DISP" and "ADJ" switches

• When pressing function switch 3 (CANCEL)

• When operating auto A/C and audio

• When turning the ignition switch to the "OFF" (LOCK) posi-

tion

1 0 : 1 0

N

N

W

W

E

E

S

S

CAL.COMP

AC101717

AC101718

1 0 : 1 0

CANCEL

Please  drive  slowly  in  circles

in  a  safe, open  area.

AC001243 AB

AC101719

1 0 : 1 0

Completed  tha  calibration.

RV METER

TSB Revision

CHASSIS ELECTRICAL

54A-234

Demagnetization and correction method

1. Demagnetize the body using a commercial demagnetizer.

2. While keeping the distance between the tip of demagnetizer 

and the roof panel to approximately 5 cm (2.0 inches), move 
the demagnetizer slowly with a sweeping manner on the 
rear-half surface of roof panel.

CAUTION

If the tip of demagnetizer touches the roof panel, the mag-
netizing condition of body becomes worse to the contrary. 
Absolutely avoid this.
3. Slowly draw the demagnetizer apart from the body. Turn 

OFF the switch of demagnetizer when it is apart from the 
body more than 5 cm. 

CAUTION

If the demagnetizer is turned OFF near the body or it is 
suddenly separated from the body, the magnetizing condi-
tion of body becomes worse to the contrary. Absolutely 
avoid these.
4. After degeomagnetization, geomagnetization calibration is 

carried out.

AC001246AB

COMMERCIAL DEMAGNETIZER

AC001247

FRONT

DEMAGNETIZER

AB

APPROXIMATELY 
5cm(2.0 in)

ROOF PANEL