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.
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