Isuzu 4JG2 User Manual

00 – 16 SERVICE INF
ORMATION
F
AULTY MESHING OF PINION AND RING GEAR
C
HECK IF BATTERY VOLTAGE IS PRESENT AT
MAGNETIC SWITCH TERMINAL “S” WHEN
STARTER SWITCH IS TURNED TO “START (ST)”
YES
EX
TREME WEAR OF
PINION AND RING
GEAR
R
EPAIR OR REPLACE
STARTER, REPLACE
RING GEAR
OR
NO
UNDE
R THIS CONDITION, CHECK IF VOLTAGE
OF CONNECTOR 3BW ON MAGNETIC SWITCH
OF RESTART RELAY IS NORMAL
YES NO
DI
SCONNECTION OR
FAULTY CONNECTION
BETWEEN STARTER
SWITCH AND MAGNETIC
SWITCH
C
HECK IF VOLTAGE IS
PRESENT AT WIRING
CONNECTOR 3BW ON
STARTER SWITCH OF
RESTART RELAY
STAR
TER SLIDING
RESISTANCE IS
LARGE
R
EPAIR OR REPLACE
STARTER
FAU
LTY CONNECTION OF
STARTER SWITCH
DI
SCONNECTION OR
FAULTY CONNECTION
BETWEEN STARTER
SWITCH AND BATTERY
R
EPLACE STARTER
SWITCH
R
EPAIR
YES NO
RE
PAIR

Isuzu 4JG2 Specifications

General

Fuel System	Indirect injection
Cooling System	Water-cooled
Fuel Type	Diesel
Displacement	3.059 L (3059 cc)
Bore x Stroke	95.4 mm x 107 mm
Torque Output	2000 rpm
Valvetrain	Overhead valve (OHV)