Honda NHSO aeroBO 1983 Shop Manual page 149

ELECTRICAL EQUIPMENT
TROUBLESHOOTING
C H A R G I N G SYSTEM
No power
1. Dead battery
Low fluid level
Battery sulfation
Internally shorted battery
Charging system failure
2. Disconnected battery cable
3. Fuse burned out
4. Faulty ignition switch
Low power
1. Weak battery
2. Loose battery connection
3. Charging system failure
I G N I T I O N SYSTEM
No spark at plug
1 Faulty spark plug
.
2. Poorly connected, broken or shorted wire
Between pulse generator and CD I unit
Between CDI unit and ignition coil
Between COl unit and ignition switch
Between ignition coil and spark plug
3. Faulty ignition switch
4. Faulty ignition coil
Faulty COl unit
5.
6. Faulty pulse generator
STARTING SYSTEM
Starter won't turn
1 . Fuse burned out
2. Weak battery
Faulty ignition switch
3.
4. Faulty starter switch
Faulty front or rear stop switch
5.
6. Faulty starter relay
7. Poorly connected, broken or shorted wire
8. Faulty starter motor
1 5- 2
Intermittent power
1 . Loose battery cable
2. Loose charging system connection
3. Loose connection or short circuit in lighting system
4. Loose ignition system connection
Charging system failure
1. Loose, broken or shorted wire or connection
Faulty regulator/rectifier
2.
3. Faulty alternator
Engine starts but turns poorly
1 . Ignition primary circuit
Faulty ignition coil
- Loose or bare wire or connector
- Poorly contacted ignition switch
2. Ignition secondary circuit
Faulty ignition coil
Faulty spark plug
Faulty high tension wire
Poorly insulated plug cap
3. Improper ignition timing
Faulty pulse generator
Stator not installed properly
Faulty CDI unit
Lack of power
Weak battery
1.
2. Loose or bare wire or connection
3. Foreign matter stuck in starter or starter gear
Engine does not crank-starter rotates
1 . Faulty starter pinion
2. Low battery
1 60
HONDA
NHSO
Date of Issue: May
1983
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© HONDA MOTOR CO L TO.
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