Isuzu 4JB1 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 4JB1 Specifications

General

Displacement	2.8 L (2771 cc)
Bore x Stroke	93 mm x 102 mm
Compression Ratio	18.4:1
Fuel System	Indirect Injection
Aspiration	Naturally Aspirated
Cooling System	Water-cooled
Engine Type	Inline 4-cylinder diesel
Max Power	85 hp (63 kW) at 3600 rpm
Valve Train	OHV