Yamaha EF4500iSE Theory & Diagnostics Manual page 73

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3. Starter motor
9 Connect the jumper lead to the starter
relay terminals on the battery side and the
starter motor side.
1 Jumper lead
9 Check the starter motor operation.
4. Starter relay
9 Disconnect the engine switch connector.
9 Connect the jumper lead to the starter
relay connector terminals.
1 Jumper lead
9 Check the starter motor operation.
Replace the engine switch.
ELECTRIC STARTING SYSTEM
DOES NOT
MOVE
MOVES
MOVES
MOVES
5-16
2-39
Inverter Generator Diagnostics
Check the battery.
Repair and/or charge the battery.
Repair and/or replace the starter motor.
w
9 A wire that is used as a jumper lead must
have the equivalent capacity or more as
that of the battery lead, otherwise the
jumper lead may burn.
9 This check is likely to produce sparks, so
be sure that no flammable gas or fluid is
in the vicinity.
NO CONTINUITY
Replace the starter relay.
ELEC
DOES NOT
MOVE