Electric Starting System; Troubleshooting Chart - Yamaha EF3000iSE Service Manual

ELECTRIC STARTING SYSTEM

TROUBLESHOOTING CHART

Inspection steps:
1. Fuse
2. Battery voltage
3. Starter motor
NOTE:
• Remove the following part(s) before troubleshooting.
1) Battery bracket
2) Control panel
3) Fuel tank
• Use the following special tool(s) for troubleshooting.
Pocket tester:
YU-03112-C, 90890-03112
1. Fuse
• Remove the fuse.
• Connect the pocket tester (Ω × 1) to the
fuse.
• Check the fuse for continuity.
2. Battery voltage
• Connect the pocket tester (DC 20 V) to
the battery terminals.
• Measure battery voltage.
Tester positive lead → positive terminal
Tester negative lead →
Battery voltage:
12.8 V or more
*
ELECTRIC STARTING SYSTEM
THE STARTER MOTOR DOES NOT OPERATE
CONTINUITY
negative terminal
GOOD
4-11
4. Starter relay
5. Main switch
6. Wire harness (electric starting system)
Inductive self-powered tachome-
ter:
YU-8036-B
Engine tachometer:
90890-03113
(90793-80009, 90793-80032)
NO CONTINUITY
Replace the fuse.
OUT OF SPECIFICATION
• Clean the battery terminals.
• Recharge or replace the battery.
– +
ELEC