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)
6 - 10
–+ELEC
STARTER RELAY INSPECTION
1. Remove:
Starter relay
2. Inspect:
Starter relay conduct
Use 12 V battery.
Continuous while not connected to the battery
→ Replace.
Not continuous while connected to the battery
→ Replace. Battery (+) lead →
Starter relay terminal 1
Battery (–) lead →
Starter relay terminal 2
Tester (+) lead → Starter relay terminal 3
Tester (–) lead → Starter relay terminal 4
Ter-
minal
3
Ter-
minal
4 Tester selec-
tor position
Connected
to battery
Ω × 1
Not
connected
to battery
NEUTRAL SWITCH INSPECTION
1. Inspect:
Neutral switch conduct
Not continuous while in neutral → Replace.
Continuous while in gear → Replace. Tester (+) lead → Sky blue lead 1
Tester (–) lead → Black lead 2
Sb
1 B
2 Tester selec-
tor position
NEUTRAL
Ω × 1
IN GEAR
WSb
YB
1
2
ELECTRIC STARTING SYSTEM (TT-R90E)
