Isuzu KB P190. Manual - part 9

1-2  HEATER AND AIR CONDITIONING 

PAGE 

Evaporator (With A/C) .....................................................................................................   1- 65 

Removal and Installation............................................................................................   1- 65 

Disassembly and Reassembly...................................................................................   1- 66 

Duct (Without A/C)...........................................................................................................   1- 68 

Removal and Installation............................................................................................   1- 68 

Disassembly and Reassembly...................................................................................   1- 69 

Blower Unit Assembly.....................................................................................................   1- 70 

Removal and Installation............................................................................................   1- 70 

Disassembly and Reassembly...................................................................................   1- 72 

Defroster Nozzle and Vent Duct .....................................................................................   1- 73 

Removal and Installation............................................................................................   1- 73 

Rear Heater Duct .............................................................................................................   1- 74 

Removal and Installation............................................................................................   1- 74 

Control Lever Assembly .................................................................................................   1- 75 

Removal and Installation............................................................................................   1- 75 

Control Panel Illumination Bulb .....................................................................................   1- 79 

Removal and Installation............................................................................................   1- 79 

Inspection and Repair ................................................................................................   1- 81 

Troubleshooting ..............................................................................................................  1- 85 

Special Service Tool........................................................................................................   1-119 

 

HEATER AND AIR CONDITIONING  1-3 

GENERAL DESCRIPTION 

COOLING SYSTEM 

 

 
 

 

 
 
 

 

 

 

 

 

  

1. 

Compressor  

 

8. 

Evaporator core 

  

2. 

Magnetic clutch 

 

 

9. 

Blower motor 

  

3. 

Receiver/Drier  

 

10. 

Heater unit 

  

4. 

Triple pressure switch 

 

  11. 

Mode (DEF/FOOT) control door 

  

5. 

Condenser  

 

12. 

Mode (VENT) control door 

  

6. 

Evaporator assembly 

 

  13. 

Electronic thermostat 

  

7. 

Expansion valve 

 

  14. 

Heater core 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RTW610LF000101 

1-4  HEATER AND AIR CONDITIONING 

COMPONENTS (CHASSIS SIDE) 

(4JA1-T RHD MODEL) 

 

 
 
 
 

 

 

RTW710LF001901 

 

HEATER AND AIR CONDITIONING  1-5 

 

(4JJ1-TC Standard Output, 4JJ1-TC High Output, 4JK1-TC High Output RHD MODEL) 

 

 

 

 

RTW710LF002001