Mitsubishi Montero (2002-2004). Manual - part 68

INSIDE/OUTSIDE AIR CHANGEOVER DAMPER MOTOR ASSEMBLY

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-135

INSPECTION

M1551003500054

INSIDE/OUTSIDE AIR CHANGEOVER DAMPER 
MOTOR CHECK

CAUTION

Disconnect the battery negative terminal when the damper 
is in the inside/outside air position.
Check the outside/inside air selection damper control motor by 
the following procedures.

LEVER POSITION BATTERY 

CONNECTION

LEVER 
OPERATION

At the inside air 
position

• Connect 

terminal 1 to the 
positive battery 
terminal

• Connect 

terminal 2 to the 
negative battery 
terminal

The lever moves 
from the inside air 
position to the 
outside air position

At the outside air 
position

• Connect 

terminal 1 to the 
positive battery 
terminal

• Connect 

terminal 3 to the 
negative battery 
terminal

The lever moves 
from the outside air 
position to the 
inside air position

2 3

1

AC001041AB

OUTSIDE 
AIR

INSIDE AIR

SENSORS

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-136

SENSORS

REMOVAL AND INSTALLATION

M1552007600056

INSPECTION

M1552007700042

AIR THERMO SENSOR CHECK

NOTE: The temperature conditions when checking should not 
exceed the range shown in the diagram.
When the resistance between the sensor terminals is mea-
sured under two or more temperature conditions, the resis-
tance should approximately satisfy the illustrated values.

AC205083AB

1

2

REMOVAL STEPS

•

LOWER PANEL (REFER TO GROUP 
52A, INSTRUMENT PANEL 

P.52A-

2

.)

1.

AIR THERMO SENSOR CLIP

2.

AUTOMATIC COMPRESSOR 
CONTROLLER AND AIR THERMO 
SENSOR

REMOVAL STEPS (Continued)

AC001043

RESISTANCE k

Ω

8

6

4

2

0

-10

0

 10

 20

 30

   40

TEMPERATURE ˚C(˚F)

AB

(14)

(32)

(50)

(86)

(104)

(68)

REAR HEATER SWITCH AND FRONT REAR FAN SWITCH

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-137

REAR HEATER SWITCH AND FRONT REAR FAN SWITCH

REMOVAL AND INSTALLATION

M1551005700032

AC001044

AC000724

1

2, 3, 4

AC

REMOVAL STEPS

1.

REAR FAN CONTROL SWITCH

2.

REAR HEATER SWITCH 
<VEHICLES WITH REAR HEATER> 

3.

 REAR COOLER SWITCH 
<VEHICLES WITH REAR COOLER> 

4.

 REAR A/C SWITCH <VEHICLES 
WITH REAR A/C>

REMOVAL STEPS (Continued)

REAR HEATER SWITCH AND FRONT REAR FAN SWITCH

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-138

INSPECTION

M1551005800039

REAR HEATER SWITCH <VEHICLES WITH REAR 
HEATER>, REAR COOLER SWITCH <VEHICLES 
WITH REAR COOLER> OR REAR A/C SWITCH 
<VEHICLES WITH REAR A/C> CHECK

.

BLOWER SWITCH CHECK
Follow the table below to check the rear blower switch for conti-
nuity.

.

REAR FAN SWITCH CHECK
Follow the table below to check the rear fan switch for continu-
ity.

.

TEMPERATURE SWITCH CHECK
Connect the tester between the connector terminal number 3 
and number 5, between the terminal number 5 and number 13 
and make sure that the resistance value changes slowly within 
the standard value.

Standard value: 0 

− 3 kΩ

REAR FAN CONTROL SWITCH

Follow the table below to check the front rear fan switch for 
continuity.

BLOWER SWITCH 
POSITION

TESTER 
CONNECTION 

SPECIFIED 
CONDITION

1 (LO)

1 

− 4

Less than 2 ohms

2 (ME)

1 

− 6

Less than 2 ohms

3 (HI)

1 

− 7

Less than 2 ohms

REAR FAN 
SWITCH 
POSITION

TESTER 
CONNECTION 

SPECIFIED 
CONDITION

OFF

8 

− 9

Less than 2 ohms

ON (while pushing) 2 

− 8

Less than 2 ohms

AC205161

1
7

2
8

10 11

5

13

6

14

12

4

9

3

FRONT REAR 
FAN SWITCH 
POSITION

TESTER 
CONNECTION 

SPECIFIED 
CONDITION

OFF

1 

− 2

Less than 2 ohms

ON

2 

− 5

Less than 2 ohms

AC001045 AB