Isuzu 4JB1 User Manual

SERVICE INF
ORMATION 00 – 15
12. ENGINE ELECTRICA
L PART TROUBLE
STAR
TER DOES NOT RUN
C
HECK BATTERY
CHA
RGING FAILURE OR LIFE
C
HECK BATTERY
CONNE
CTION FAILURE
CLE
AN BATTERY TERMINALS, AND RECONNECT
T
URN ON HEAD LAMP AND STARTER SWITCH
HE
AD LAMP DOES NOT COME ON
OR IT IS EXTREMELY DARK
a)
LACK OF BATTERY CHARGING
b) SHORT-CIRCUIT IN STARTER OIL
c) FAULTY STARTER PARTS
a)
DISCONNECT STARTER CIRCUIT
b) DISCONNECT STARTER COIL
c) FAULTY STARTER SWITCH
B
ATTERY IS NORMAL
CHE
CK TERMINAL CONNECTION
CHECK STARTER OR STARTER SWITCH
T
ERMINAL CONNECTION IS NORMAL
F
AILURE
R
EPAIR OR REPLACE
HE
AD LAMP ILLUMINATES

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