Isuzu 4JB1 Service Information page 17

STARTER DOES NOT STOP THOUGH STARTER
SWITCH IS RETURNED TO "ON" FROM "START"
DISCONNECTED STARTER SWITCH WIRING CONNECTOR, AND CHECK STARTER SWITCH OPERATION.
KEY BATTERY
POSITION B1
LOCK
OFF
ACC
ON
START
THERE MUST BE NO CONTINUITY EXCEPT ABOVE LINES.
YES
MAGNETIC SWITCH CONTACTS ARE
FUSED AND NOT MOVED, OR A
RETURN SPRING IS BROKEN OR
DETERIORATED
REPLACE MAGNETIC SWITCH
IGNITION BATTERY
IG1 B2
NO
REPLACE STARTER SWITCH
SERVICE INFORMATION 00 – 19
ACCESSORIES IGNITION
ACC IG2
STARTER
ST