Isuzu 4JB1 User Manual

SERVICE INF
ORMATION 00 – 17
M
AGNETIC SWITCH DOES NOT OPERATE THOUGH
STARTER SWITCH IS TURNED TO “START (ST)”
C
HECK IF VOLTAGE IS PRESENT AT MAGNETIC
SWITCH TERMINAL “S” WHEN STARTER SWITCH IS
TURNED TO “START (ST)”
YE
S
NO
CHE
CK GROUND CABLE
YE
S
YES
YES NO
R
EPAIR
OR
PIN
ION
SLIDING
PART DOES
NOT MOVE
M
AGNETIC SWITCH
OR COIL IS
DISCONNECTED OR
BURNED OUT
R
EPAIR OR REPLACE STARTER
CHE
CK IF INDICATOR LAMP ON
METER COMES ON NORMALLY
YES NO
DI
SCONNECTION OR
FAULTY CONNECTION
BETWEEN BATTERY
AND STARTER SWITCH
CHE
CK CONTINUITY
STARTER SWITCH AND
MAGNETIC SWITCH
TERMINAL “S”
C
HECK STARTER
RELAY
F
AULTY CONNECTION
OR STARTER SWITCH
R
EPAIR
CHE
CK CLUTCH
START
R
EPLACE STARTER
SWITCH

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