Mitsubishi Montero (2004+). Manual — part 621
BLOWER ASSEMBLY AND RESISTOR
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55A-127
BLOWER ASSEMBLY AND RESISTOR
REMOVAL AND INSTALLATION
M1551002800126
INSPECTION
M1551002900123
BLOWER FAN AND MOTOR CHECK
When battery voltage is applied between the terminals, check
that the motor operates. Also, check that there is no abnormal
noise.
ACX01452
2
1
AB
1.
BLOWER MOTOR
2.
RESISTOR
AC001038 AB
INSIDE/OUTSIDE AIR CHANGEOVER DAMPER MOTOR ASSEMBLY
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55A-128
RESISTOR CHECK
Use an ohmmeter to measure the resistance between the ter-
minals. Check that the measured value is at the standard
value.
INSIDE/OUTSIDE AIR CHANGEOVER DAMPER MOTOR
ASSEMBLY
REMOVAL AND INSTALLATION
M1551003400046
MEASUREMENT TERMINAL
STANDARD VALUE
Ω
Between terminals 2 and 3 (LO) 2.79
Between terminals 1 and 2 (ML) 1.49
Between terminals 2 and 4 (MH) 0.36
AC002646
1 2
3 4
AB
AC001040AB
1
REMOVAL STEPS
•
GROVE BOX (REFER TO GROUP 52A,
INSTRUMENT PANEL
.)
1. INSIDE/OUTSIDE AIR CHANGEOVER
DAMPER MOTOR
INSIDE/OUTSIDE AIR CHANGEOVER DAMPER MOTOR ASSEMBLY
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55A-129
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-130
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
.)
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)
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