Page 1999 - Foton Workshop Manual - Tunland (AT)
P. 1999
HEATER AND AIR CONDITIONING - HEATING & AIR-CONDITIONING SYSTEM 61-3
DEFECTS
Defect Possible Cause Reference
Chapter 4. Diagnostics -
61
1. Fuse (damaged) Heating & air-conditioning
system, defects
Chapter 61. Heating & A/C -
2. A/C belt (too loose)
A/C compressor, replacement
Chapter 61. Heating &
3. Refrigerant (inadequate) air-conditioning system -
coolant, on-vehicle inspection
Chapter 61. Heating & A/C -
4. Compressor (defective)
A/C compressor, replacement
Chapter 61. Heating & A/C -
No cooling 5. Expansion valve (defective)
heater, replacement
Chapter 61. Heating & A/C -
6. Condensor (blocked)
condensor, replacement
Chapter 61. Heating & A/C -
7. A/C pipe (blocked)
A/C pipe, replacement
Chapter 61. Heating & A/C -
8. Control system assembly control system assembly,
(defective)
replacement
Chapter 61. Heating &
9. Inadequate pressure in
air-conditioning system -
cooling system
coolant, check
1. Compressor belt (slippery, Chapter 61. Heating & A/C -
aging) A/C compressor, replacement
Chapter 61. Heating & A/C -
2. Component parts (loose)
Abnormal noise in HVAC A/C compressor, replacement
system 3. Compressor bearing Chapter 61. Heating & A/C -
(broken) A/C compressor, replacement
Chapter 61. Heating & A/C -
4. Blower (defective)
blower, replacement
Chapter 61. Heating & A/C -
1. Blower (broken)
blower, replacement
Chapter 61. Heating & A/C -
2. Blower relay (broken)
No or insufficient heating blower, replacement
Chapter 61. Heating & A/C -
3. Heating ventilation pipe
dashboard ventilation pipe,
(disconnected)
replacement
Page 1999
