Suzuki AN400 Service Manual page 301

Step4
1) Measure the continuity of the generator coil. (!8-11)
Is the resistance of generator coil OK?
YES Go to Step5.
• Faulty generator coil.
NO
• Disconnected lead wires.
Step5
1) Measure the generator no-load voltage. (!8-11)
Is generator no-load performance OK?
YES Go to Step6.
NO Faulty generator.
Step6
1) Inspect the regulator/rectifier. (!8-12)
Is the regulator/rectifier OK?
YES Go to Step7.
NO Faulty regulator/rectifier.
Step7
1) Inspect the wire harness.
Is the wire harness OK?
YES Faulty battery
• Short circuit of wire harness.
NO
• Poor contact of coupler.
Battery overcharges
• Faulty regulator/rectifier.
• Faulty battery.
• Poor contact of generator lead wire coupler.
ELECTRICAL SYSTEM 8-9