6 - 9
–+ELECELECTRIC STARTING SYSTEM
EC624000
COUPLERS AND LEADS CONNECTION 
INSPECTION
1. Check:
Couplers and leads connection 
Rust/dust/looseness/short-circuit → 
Repair or replace.
STARTER MOTOR OPERATION
1. Connect the positive battery terminal 1
and starter motor lead 2 with a jumper
lead 3.
Not operate → Repair or replace the
starter motor.
WARNING
A wire that is used as a jumper lead must
have at least the same capacity or more
as that of the battery lead, otherwise the
jumper lead may burn.
This check is likely to produce sparks,
therefore make sure nothing flammable is
in the vicinity.
STARTING CIRCUIT CUT-OFF RELAY 
INSPECTION 
1. Remove:
Starting circuit cut-off relay
2. Inspect:
Starting circuit cut-off relay conduct 
Use 12 V battery.
Battery (+) lead → Blue/Black lead 1 
Battery (–) lead → Brown lead 2 
Tester (+) lead → Blue/White lead 3 
Tester (–) lead → Black lead 4 
L/W
3B
4
Tester selec-
tor position
Connected 
to battery
Ω × 1Not 
connected 
to battery
2 4
3
1