heater ISUZU KB P190 2007 Workshop Repair Manual

HEATER AND AIR CONDITIONING 1-1
SECTION 1
HEATER AND AIR CONDITIONING
TABLE OF CONTENTS
PAGE
General Description ........................................................................................................ 1- 3
Main Data and Specifications ......................................................................................... 1- 21
Special Parts Fixing Nuts and Bolts .............................................................................. 1- 23
On-Vehicle Service .......................................................................................................... 1- 30
Precautions For Replacement or repair of air conditioning parts .......................... 1- 30
Condenser...................................................................................................................... .. 1- 40
Removal and Installation (4JH1-TC, 4JJ1-TC Standard Output)............................. 1- 40
Removal and Installation (4JJ1-TC High Output, 4JK1-TC High Output, 4JA1-T) ........................................ 1- 41
Removal and Installation (C24SE) ............................................................................. 1- 42
Condenser Fan Motor ..................................................................................................... 1- 43 Removal and Installation............................................................................................ 1- 43
Receiver/drier ................................................................................................................. . 1- 44
Removal and Installation............................................................................................ 1- 44
Compressor ..................................................................................................................... 1- 45
Removal and Installation (4JA1-T, 4JH1-TC) ............................................................ 1- 45
Removal and Installation (4JJ1-TC Standard Output, 4JJ1-TC High Output, 4JK1-TC High Output) ......... 1- 47
Removal and Installation (C24SE) ............................................................................. 1- 49
Disassembly ................................................................................................................ 1- 55
Reassembly ................................................................................................................. 1- 57
Heater Unit .................................................................................................................... ... 1- 59
Removal and Installation............................................................................................ 1- 59
Disassembly and Reassembly................................................................................... 1- 61
Vent Unit (Without Heater) ............................................................................................. 1- 62 Removal and Installation............................................................................................ 1- 62
Disassembly and Reassembly................................................................................... 1- 64
TO MODEL INDEX
BACK TO MAIN INDEX

ISUZU KB P190 2007

1-2 HEATER AND AIR CONDITIONING
PAGE
Evaporator (With A/C) ..................................................................................................... 1- 6 5
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


BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

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



RTW 610LF000101

BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

1-4 HEATER AND AIR CONDITIONING
COMPONENTS (CHASSIS SIDE)
(4JA1-T RHD MODEL)






RTW 710LF001901


BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

HEATER AND AIR CONDITIONING 1-5

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


RTW 710LF002001


BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

1-6 HEATER AND AIR CONDITIONING

(C24SE RHD MODEL)







RTW 710LF002101


BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

HEATER AND AIR CONDITIONING 1-7

(4JA1-T, 4JH1-TC LHD MODEL)


RTW 710LF002201



BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

1-8 HEATER AND AIR CONDITIONING

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


RTW 710LF002301



BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

HEATER AND AIR CONDITIONING 1-9

(C24SE LHD MODEL)





RTW 710LF002401


BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007

1-10 HEATER AND AIR CONDITIONING
COMPONENTS (INSIDE CAB)

Evaporator or Duct
Blower unit
Vent duct driver side
Vent duct assist side
Center vent duct
Side def hose LH
Side def hose RH
Defroster nozzle
Control lever assembly Heater unit or Vent unit
Rear heater duct
This illustration is based on RHD model

RTW 710LF001301


BACK TO CHAPTER INDEX
TO MODEL INDEX
ISUZU KB P190 2007