6 - 9
– +
ELEC
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 a 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 → Red/White lead 1
Battery (–) lead → Sky blue lead 2
Tester (+) lead → Red/White lead 3
Tester (–) lead → Red/White lead 4
R/W
3
R/W
4
Tester selec-
tor position
Connected
to battery
Ω × 1
Not
connected
to battery
2
4
3
1
ELECTRIC STARTING SYSTEM (TT-R90E)
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