Page 2255 - Foton Workshop Manual - Aumark (BJ1099)

DIAGNOSIS-HEATER & AIR CONDITIONING 62-203

Malfunction Possible Cause Reference
Symptoms

1.Fuse damaged -
2.Relay has an open circuit -

Chapt er 41 heat er & air 62
3.Air conditioning compressor does not conditioning - air conditioning
work. compressor,
Overhaul
Chapt er 41 heat er & air
conditioning - operating
4.Air air condition controller fault
mechanism assembly ,
It cannot replacement
refrigerate any
more and no cold wind Chapt er 41 heat er & air
is blowing out 5.Air conditioning amplifier failure conditioning - evaporator,
replacement
Chapt er 41 heat er & air
6.Refrigerant is completely leaked conditioning - refrigerant,
replacement

Chapt er 41 heat er & air
7.Air conditioning pipe blockage or broken conditioning - air conditioning
pipe, replacement
8.Relevant harness has an open or short -
circuit

1.Fuse damaged -
Chapt er 41 heat er & air
conditioning - air conditioning
Mode servo 2.Air conditioning mode motor fault
motor failure ventilation door motor ,
replacement

3.Relevant harness has an open or short -
circuit
1.Fuse damaged -

Chapt er 41 heat er & air
conditioning - air conditioning
Temperature regulation 2.Temperature regulation servo motor fault ventilation door motor ,
servo motor fault
replacement
3.Relevant harness has an open or short -
circuit

Page 2255