SsangYong Musso. Manual - part 540

7D-14  FATC-HAVC

Air Filter; replace

Notice

Replace earlier if air pollution is heavy.

Replacement1.

1. Open the glove box and pull it inward to release the upper

left and right locking portion.

Notice

Remove the glove box by unscrewing lower 2 screws, if
necessary.

2. Press the 2 filter cover holds and remove the air filter cover.

3. Remove the 2 air filters.

Notice

For installation, remember the installed direction of the air
filter before removal.

Replacement Interval

Every 10,000km

FATC-HAVC  7D-15

TROUBLESHOOTING

Check and Service

Incar sensor is a sensor that detects interior air temperature
and a thermistor that decreases its resistance when temperature
up and increases when temperature down.

1. Check that there are incar sensor fault code (11,12) by

using self-diagnosis function.

2. Disconnect incar sensor 2-pin connector that installed on

inner lower instrument panel cover of driver’s side and
remove the sensor.

3. Check that measured resistance value among incar sensor

terminals is as shown in the right side graph.

Notice

Measure resistance value by soaking the sensor in the ice
water and check changes in resistance values after soaking
it in the very hot water.

4. If resistance value is out of specification, replace the incar

sensor.

5. Install the sensor and turn the ignition switch to ON position

and check that voltage between No. 12A terminal of incar
sensor and body (-) is 5V.

6. Check current between the No. 12B and 12A connector

terminals of the incar sensor and the No. 1 and 5 connector
terminals of the airconditioner control unit and repair the
wire if defective.

7D-16  FATC-HAVC

9

10

Ambient sensor connector

2

↓

0.5W

Airconditioner control unit connector

V

5

↓

0.5BL

Ambient Sensor

Ambient sensor is a sensor that detects ambient temperature
and a thermistor that decreases its resistance when temperature
up and increases when temperature down.

1. Check that there are ambient sensor fault code (13,14) by

using self-diagnosis function.

2. Disconnect ambient sensor 2-pin connector that installed

on front right side of the frame and remove the sensor.

3. Check that measured resistance value among ambient

sensor terminals is as shown in the right side graph.

Notice

Measure resistance value by soaking the sensor in the ice
water and check changes in resistance values after soaking
it in the very hot water.

4. If resistance value is out of specification, replace the ambient

sensor.

5. Install the sensor and turn the ignition switch to ON position

and check that voltage between No. 10 terminal of the
ambient sensor and body (-) is 5V.

6. Check current between the No. 10 and 9 connector terminals

of the ambient sensor and the No. 2 and 5 connector
terminals of the airconditioner control unit and repair the
wire if defective.

FATC-HAVC  7D-17

7b

7a

Water sensor connector

3

↓

0.5RB

Airconditioner control unit connector

V

5

↓

0.5BL

Water Sensor

Water sensor is a thermistor that detects engine coolant
temperature to operate the blower speed to LO when water
temperature is less than 50.

1. Check that there are water sensor fault code (15,16) by

using self-diagnosis function.

3. Check that measured resistance value among water sensor

terminals is as shown in the right side graph.

Notice

Measure resistance value by soaking the sensor in the ice
water and check changes in resistance values after soaking
it in the very hot water.

4. If resistance value is out of specification, replace the water

sensor.

5. Install the sensor and turn the ignition switch to ON position

and check that voltage between No. 7a terminal of the water
sensor and body (-) is 5V.

6. Check current between the No. 7a and 7b connector

terminals of the water sensor and the No. 3 and 5 connector
terminals of the airconditioner control unit and repair the
wire if defective.

2. Disconnect water sensor 2-pin connector that installed on

the heater unit of inner instrument panel and remove the
water sensor.