4jh1 ISUZU TF SERIES 2004 Manual PDF

8A-428 ELECTRICAL-BODY AND CHASSIS


No. Connector face No. Connector face
E-1
(4JH1-TC)
White Oil pressure switch E-10
SilverEngine ground
E-2
(C24SE)
(6VE1)


Magnetic clutch E-11
(6VE1)

Neutral switch
E-3
(4JH1-TC)
Black
Magnetic clutch AC COMP E-11
(4JH1-TC)
Natural
green
Neutral switch
E-4
~
E-5 NOT USED E-12
(6VE1)

Neutral switch
E-6
(C24SE)
(6VE1)


(6VE1) Fuel injector (C24SE) E-12
(4JH1-TC)
Natural
green
Neutral switch
E-6
(4JH1-TC)

Injector pump E-13
~
E-17 NOT USED
E-7
(C24SE)
(6VE1)


(6VE1) Fuel injector (C24SE) E-18
(C24SE)

Ignition coil
E-8
(C24SE)
(6VE1)


(6VE1) Fuel injector (C24SE) E-19
(4JH1-TC)
Blue Thermo meter unit
E-9
(C24SE)
(6VE1)


(6VE1) Fuel injector (C24SE) E-20
~
E-21 NOT USED
E-9
(4JH1-TC)
Gray T.D.C sensor E-22
(4JH1-TC)
BrownTPS 1 main

ELECTRICAL-BODY AND CHASSIS 8A-429


No. Connector face No. Connector face
E-23
(4JH1-TC)
Gray TPS 2 main E-44
Gray Vehicle speed sensor
E-24
~
E-29 NOT USED E-45
(4JH1-TC)
Gray 2WD-4WD switch
E-30
(4JH1-TC)
Gray A/T speed sensor E-46
(4JH1-TC)
BrownH-L neutral switch
E-31
(4JH1-TC)
Gray Turbine sensor E-47
~
E-48 NOT USED
E-32
~
E-34 NOT USED E-49
(4JH1-TC)
Glow plug
E-35
(4JH1-TC)
(C24SE)
Black Motor actuator E-50

NOT USED
E-36
~
E-40 NOT USED E-51
(6VE1)
Fuel injector
E-41
(4JH1-TC)
Black Coolant temp sensor E-51
(4JH1-TC)
BlackInhibiter switch
E-42
Natural
green
Backup lamp switch E-52
(6VE1)
Fuel injector
E-43
Natural
green
Backup lamp switch E-53
(6VE1)
Ignition coil

8A-430 ELECTRICAL-BODY AND CHASSIS


No. Connector face No. Connector face
E-54
(6VE1)
Ignition coil E-62
(6VE1)
Cam position sensor
E-54
(4JH1-TC)
Black A/T term ASM E-64
(C24SE)
(6VE1)
Oil pressure switch (P/STRG)
E-55
(6VE1)
Ignition coil E-65
(C24SE)
(6VE1)
Thermo unit
E-56
(6VE1)
Ignition coil E-66
(C24SE)
(6VE1)
Duty solenoid
E-57
(6VE1)
Ignition coil E-67
NOT USED
E-58
(6VE1)
Ignition coil E-68
(C24SE)
Throttle position sensor
E-59
(C24SE)
(6VE1)
(6VE1) Crank position sensor (C24SE) E-68
(6VE1)
Throttle position sensor
E-60
(C24SE)
ECM E-69
(6VE1)
Temperature sensor
E-60
(6VE1)
ECM-A E-70
(C24SE)
IACV
E-61
(6VE1)
ECM-B E-70
(6VE1)
IACV

ELECTRICAL-BODY AND CHASSIS 8A-433


No. Connector face No. Connector face
H-1
White
Battery (+) ~ Engine room H-10
WhiteINST ~ Front Door-RH
H-2
NOT USED H-11
NOT USED
H-3
(6VE1,
4JH1-TC)
White Battery (+) ~ Engine room H-12
BlackINST ~ Roof
H-4
(C24SE)
White Engine room ~ Mission H-13
WhiteINST ~ Door -LH
H-4
(6VE1,
4JA1-TC,
4JH1-TC)
White
Engine ~ Engine room H-14
WhiteRear body ~ Rear door-LH
H-5
NOT USED H-15
White
Engine room ~ Chassis
H-6
White
Engine room ~ INST H-16
WhiteRear body ~ Rear door-RH
H-7
White
Engine room ~ INST H-17
WhiteChassis ~ License plate lamp
H-8
NOT USED H-18
White
Engine room ~ INST
H-9
Blue
Engine room ~ Chassis H-19
~
H-21 NOT USED

8A-434 ELECTRICAL-BODY AND CHASSIS


No. Connector face No. Connector face
H-22
(6VE1)
(4JH1-TC)
White Engine ~ Engine room C H-31
(C24SE)
Engine room ~ Mission
H-23
(6VE1)
(4JH1-TC)
White Engine ~ Engine room B H-32
(C24SE)
(6VE1)
Engine room ~ Rear body
H-23
(4JA1-L)
White Engine room B ~ T/misson H-33
(4JH1-TC)
Engine ~ Engine room
H-24
Black
INST ~ Front door-RH H-34
(C24SE)
Engine ~ Engine room
H-25
Black
INST ~ Front door-LH H-35

Trailer
H-26
White
INST ~ Rear body


H-27
Black
INST ~ Rear body


H-28
White
Sub harness connector


H-29
(C24SE)
Battery(+) ~ Engine room


H-30
(6VE1)
(4JH1-TC)
Engine room ~ INST

ELECTRICAL-BODY AND CHASSIS 8A-437


No. Connector face No. Connector face
P-1
Silver
Battery (+) P-9

SilverACG (B)
P-2
Silver
Relay & Fuse box P-10
SilverEngine ground
P-3

Brown
Starter (S) P-11
SilverFuse & relay box
P-4
Silver
Starter (B) P-12
NOT USED
P-4
Silver
Starter (B) P-13

Gray Shift on the fly actuator
P-5
Silver
Battery (-) P-14
WhiteFuse & relay box
P-6
Silver
Body earth (Ground) P-15
Silver2nd battery (+)
P-7
NOT USED P-16
Silver
2nd battey (-)
P-8
(C24SE)
(4JH1-TC
Green ACG (L)


P-8
(6VE1)
White ACG (L)

8A-440 ELECTRICAL-BODY AND CHASSIS


No. Connector face No. Connector face
X-1
Black
Relay ; Tail lamp X-8
(4JH1-TC)
BlackRelay ; Starter
X-2
(C24SE)
(6VE1)
Black Relay ; Front Fog lamp X-9
(6VE1)
(4JH1-TC)
BlackRelay ; Hazard-RH
X-2
(4JH1-TC)
Black Relay ; Front Fog lamp X-10
(6VE1)
(4JH1-TC)
BlackRelay ; Hazard-LH
X-3

Relay ; Horn X-11
BlackRelay ; Heater
X-4

Relay ; Dimmer X-12
BlackRelay ; Head lamp
X-5
(6VE1)
Black Relay ; Front Fog Lamp X-13
(6VE1)
(4JH1-TC)
BlackRelay ; ECM MAIN
X-5
(4JH1-TC)
Black Relay ; Spill valve X-14

BlackRelay ; A/C Compressor
X-6
(C24SE)
(6VE1)
Relay ; Starter X-15
BlackRelay ; Thermo
X-6
(4JA1-L)
Black Relay ; CSD X-16
(6VE1)
(4JH1-TC)
BlackDIODE
X-7

Relay ; Condenser Fan X-17
BlackDIODE

WORKSHOP MANUAL

TF SERIES




ENGINE
4JA1/4JH1-TC





SECTION 6

6A – 6 ENGINE MECHANICAL
MAIN DATA AND SPECIFICATIONS
Engine model
Item 4JH1TC
Engine type Four-cycle, overhead valve, water cooled
Combustion chamber type Direct injection
Cylinder liner type
Timing gear train system Dry type, chrome plated
Gear drive
No. of cylinders-bore
stroke mm (in) 4 – 95.4
104.9 (3.76
4.13)
No. of piston rings Compression ring: 2 / Oil ring: 1
Total piston displacement liter
Compression ratio (to 1) 2,999
18.3
Compression pressure MPa(kg/cm2/psi) 3.0 (31.0/441) – 200 rpm
Engine weight (dry) kg (lb) MT : Approximately 249 (549)
AT : Approximately 236 (520)
Fuel injection order 1 – 3 – 4 - 2
Specified fuel type JIS No.2, DIN/EN590, GB252-1944 Diesel fuel
Idling speed rpm
700
25 (A/C OFF)
800
25 (A/C ON)
Valve clearances (At cold): Intake mm (in)
Exhaust mm (in)
Intake valves Open at (BTDC) deg
Close at (ABDC) deg
Exhaust valves Open at (BBDC) deg
Close at (ATDC) deg
Fuel system
Injection pump type 0.4 (0.016)
0.4 (0.016)
24.5
55.5
54.0
26.0

BOSCH distributor VP44 type
Injection nozzle type
Injection nozzle opening pressure
MPa(kg/cm
2/psi)Hole with 5 orifices

1st 19.5 (199/2,828)
2nd (Reference) 34.335.8 (350365/4,9805,197)
Main fuel filter type
Lubricating system
Lubricating method Cartridge paper element and water separator

Pressure circulation
Specified engine oil (API grade) ISUZU genuine 10W – 30 (API CD of ACEA B2/B3)
Oil pump type
Oil filter type Gear
Cartridge paper element
Oil capacity lit (US/UK gal)
6.2 (1.64/1.36) (For 4
2)
7.0 (1.85/1.54) (For 4
4)
Oil cooler type Water cooled

ENGINE MECHANICAL 6A – 7

Engine model
Item 4JH1TC
Cooling system
Water pump type
Thermostat type
Air cleaner type

Battery type/voltage
No. of units



Generator capacity V-A
Starter motor output V-Kw
Turbocharger model
Turbine type
Compressor type
Centrifugal
Wax pellet with jiggle valve
Dry paper element (except for Euro3 spec)
Viscous paper element (for Euro3 spec)
80D26L
1
95D31L
1 (OPT)
75D26R
2 (OPT for EC, MT)
80D26R
2 (OPT for EC, AT)
12 – 60/12 – 80
12 – 2.3
*IHI RHF5
Mixed flow type Radial-inflow
Backward & rake type Radial-outflow
*IHI: Ishikawajima-Harima Heavy Industries., Ltd.