Mitsubishi Lancer Evolution IX. Manual - part 560

MODE SELECTION DAMPER CONTROL MOTOR, AIR MIXING DAMPER CONTROL MOTOR, OUTSIDE/INSIDE 

HEATER, AIR CONDITIONER AND VENTILATION

55-113

MODE SELECTION DAMPER CONTROL MOTOR, AIR 

MIXING DAMPER CONTROL MOTOR, OUTSIDE/INSIDE AIR 

SELECTION DAMPER CONTROL MOTOR AND BLOWER 

MOTOR

REMOVAL AND INSTALLATION

M1554019900016

REMOVAL SERVICE POINT
<<A>> BLOWER MOTOR AND MODE 
SELECTION DANPER CONTROL MOTOR 
AND POTENTIOMETER REMOVAL

NOTE: 

Use of commercially available offset screw driver is 
recommended.

AC504716AB

3

2

1

4

Blower motor removal step 

•

Front passenger's side under cover

<<

A

>>

1.

Blower motor
Air mixing damper control motor 
and potentiometer removal step 

2.

Air mixing damper control motor 
and potentiometer
Mode selection damper control 
motor and potentiometer 
removal step 

<<

A

>>

3.

Mode selection damper control 
motor and potentiometer
Outside/inside air selection 
damper control motor removal 
step 

•

Glove box (Refer to GROUP 52A, 
Instrument Panel 

P.52A-2

).

•

Engine-ECU (Refer to GROUP 
13A, Engine-ECU 

P.13A-416

).

4.

Outside/inside air selection damper 
control motor

AC304916

MODE SELECTION DAMPER CONTROL MOTOR, AIR MIXING DAMPER CONTROL MOTOR, 

HEATER, AIR CONDITIONER AND VENTILATION

55-114

INSPECTION

M1551006300491

CHECK THE AIR MIXING DAMPER CON-
TROL MOTOR AND POTENTIOMETER

CHECK THE AIR MIXING DAMPER CONTROL 
MOTOR

Potentiometer check
When the resistances between terminals 2 and 5 as 
well as terminals 5 and 6 are measured at the air 
mixing damper motor check, the resistance value 
should change gradually within the standard value.

Standard value: Approximately 0.65 

− 5.35 

k

Ω

MODE SELECTION DAMPER CONTROL 
MOTOR AND POTENTIOMETER CHECK

MODE SELECTION DAMPER CONTROL MOTOR 
CHECK

Potentiometer check
When the resistances between terminals 2 and 5 as 
well as terminals 5 and 6 are measured at the mode 
selection damper control motor check, the resistance 
value should change gradually within the standard 
value.

Standard value: Approximately 0.65 

− 5.35 

k

Ω

Battery 
connection 
(+) terminal

Battery 
connection 
(-) terminal

Lever operation

1

3

Rotate to the HOT 
position.

3

1

Rotate to the COOL 
position.

AC301517

MAX. COOL 
position

MAX HOT position

AG

<L.H. drive vehicles>

6

2

5

4

3

1

AC504717

6

2

5

4

3

1

MAX. COOL 
position

MAX HOT position

AB

<R.H. drive vehicles>

Battery 
connection 
(+) terminal

Battery 
connection 
(-) terminal

Lever operation

1

3

Rotate to the DEF 
position.

3

1

Rotate to the FACE 
position.

AC301519AG

DEF position

FACE 
position

6

2

5

4

3

1

<L.H. drive vehicles>

6

2

5

4

3

1

AC504718AB

DEF position

FACE 
position

<R.H. drive vehicles>

MODE SELECTION DAMPER CONTROL MOTOR, AIR MIXING DAMPER CONTROL MOTOR, OUTSIDE/INSIDE 

HEATER, AIR CONDITIONER AND VENTILATION

55-115

OUTSIDE/INSIDE AIR SELECTION 
DAMPER CONTROL MOTOR CHECK

CAUTION

Cut off the battery voltage when the damper is in 
the outside/inside air position.

BLOWER MOTOR CHECK

Execute actuator test item No.01 to 04 by using 
M.U.T.-II/III with the vehicle body, and check that the 
blower motor works normally. (Refer to 

P.55-101

).

Lever position Battery 

connection

Lever 
operation

At the inside 
position

• Connect 

terminal 7 to 
the positive 
battery 
terminal

• Connect 

terminal 4 to 
the negative 
battery 
terminal

The lever 
moves from the 
inside position 
to the outside 
position

At the outside 
position

• Connect 

terminal 7 to 
the positive 
battery 
terminal

• Connect 

terminal 6 to 
the negative 
battery 
terminal

The lever 
moves from the 
outside position 
to the inside 
position

AC100625

Inside air

Outside air

AE

SENSORS

HEATER, AIR CONDITIONER AND VENTILATION

55-116

SENSORS

REMOVAL AND INSTALLATION

M1554001900196

AC504729AB

3

1

2

Interior temperature sensor 
removal steps 

1.

Interior temperature sensor

Heater water temperature sensor 
removal steps 

•

Foot duct <front passenger's side> 
(Refer to GROUP 55, Ventilator 

P.55-131

).

2.

Heater water temperature sensor
Photo sensor removal steps 

<<

A

>>

3.

Photo sensor