Yamaha YP250 Mobility Scooter User Manual


 
8-17
ELECTRICAL STARTING SYSTEM
ELEC
YP******
3. Starter motor
S Connect the battery positive terminal and
starter motor cable using a jumper lead.
S Check the starter motor operation.
CONTINUITY
Repair or replace the starter motor.
DOES NOT MOVE
:
:
YP******
4. Starter relay
S Disconnect the relay unit coupler from the
wireharness.
S Connect the pocket tester ( 1) and bat-
tery (12 V) to the relay unit coupler terminals.
Battery (+) lead !
Green/Yellow terminal
Battery (–) lead !
Blue/White terminal
1
2
MOVES
A wire used as a jumper lead must have the
equivalent capacity as that of the battery
lead or more, otherwise it may burn.
This check is likely to produce sparks, so be
sure that no flammable gas or fluid is in the
vicinity.
S Check the starter relay for continuity.
Tester (+) lead ! terminal
Tester (–) lead ! terminal
3
4
Replace the starter relay.
NO CONTINUITY
CONTINUITY
YP******
5. Starting circuit cut-off relay
S Disconnect the starting circuit cut-off relay
coupler from the wireharness.
S Connect the the pocket tester ( 1) and
battery (12 V) to the starting circuit cut-off
relay coupler terminals.
Battery (+) lead ! terminal
Battery (–) lead ! terminal
2
4
S Check the starting circuit cut-off relay for
continuity.
Tester (+) lead ! terminal
Tester (–) lead ! terminal
1
3
Replace the starting circuit cut-off relay.
NO CONTINUITY