Mitsubishi Montero (2002-2004). Manual - part 114

REAR HEATER UNIT AND REAR BLOWER ASSEMBLY

TSB Revision

AUTOMATIC AIR CONDITIONING

55B-149

REAR HEATER UNIT AND REAR BLOWER ASSEMBLY

REMOVAL AND INSTALLATION

M1554010200032

The removal and installation is the same as for vehi-
cles with rear heater. (Refer to GROUP 55A, Rear 
Heater unit and Rear blower assembly 

P.55A-140

.)

DISASSEMBLY AND REASSEMBLY

M1554010300039

The disassembly and reassembly is the same as for 
vehicles with rear heater. (Refer to GROUP 55A, 
Rear Heater unit 

P.55A-142

.)

INSPECTION

M1554010400036

The checking procedure is the same as for vehicles 
with rear heater. (Refer to GROUP 55A, Rear Heater 
unit inspection 

P.55A-143

.)

DISASSEMBLY AND REASSEMBLY

M1554010600030

The removal and installation of the heater unit is the 
same as for the manual air conditioning. (Refer to 
GROUP 55A, rear blower unit disassembly and reas-
sembly 

P.55A-144

.)

INSPECTION

M1554010700037

The checking procedure is the same as for vehicles 
with rear heater. (Refer to GROUP 55A, Rear blower 
assembly inspection 

P.55A-145

.)

PHOTO SENSOR

TSB Revision

AUTOMATIC AIR CONDITIONING

55B-150

PHOTO SENSOR

REMOVAL AND INSTALLATION

M1554003100022

REMOVAL SERVICE POINT

.

<<A>> PHOTO SENSOR COVER/PHOTO SENSOR 
REMOVAL
1. Removal the photo sensor cover from the center-top of the 

instrument panel.

2. Pull the harness which is connected to the photo sensor out 

through the front of the instrument panel (the hole left after 
the clock or RV meter have been removed) together with the 
photo sensor. Then disconnect the photo sensor from the 
harness.

AC001703AB

1

2

REMOVAL STEPS

•

CLOCK OR RV METER (REFER 
TO GROUP 54A, CLOCK/RV 
METER.

P.54A-235

)

<<A>>

>>A<<

1.

PHOTO SENSOR COVER

<<A>>

>>A<<

2.

PHOTO SENSOR

REMOVAL STEPS (Continued)

PHOTO SENSOR

TSB Revision

AUTOMATIC AIR CONDITIONING

55B-151

INSTALLATION SERVICE POINT

.

>>A<< PHOTO SENSOR/PHOTO SENSOR COVER INSTAL-
LATION
Tie a cord to the photo sensor harness (at the connector end) 
as shown in the illustration, pass the harness through the photo 
sensor mounting hole, and then install the photo sensor and 
the photosensor cover from the center-top of the instrument 
panel.

INSPECTION

M1554003200029

.

PHOTO SENSOR CHECK
The blower speed should drop when the light-sensing section 
of the photo sensor is covered with your hand. If not, replace 
the photo sensor.

AC001704AB

CODE

AMBIENT TEMPERATURE SENSOR

TSB Revision

AUTOMATIC AIR CONDITIONING

55B-152

AMBIENT TEMPERATURE SENSOR

INSPECTION

M1554003500031

.

OUTSIDE AIR TEMPERATURE SENSOR CHECK
Measure the resistance between the sensor terminals under at 
least two temperatures. The resistance values should meet the 
values shown.
NOTE: The temperature should be within the shown range.

AC001680AB

OUTSIDE AIR 
TENPERATURE SENSOR

REGISTANCE k

Ω

10

8

6

4

2

0

-10

0

10

20

30

40

(14) (32)

(50)

(68)

(86) (104)

TEMPERATURE ˚C (˚F)