Honda CBF190WH 2016 Shop Manual page 113

ELECTRICAL SYSTEM
ELECTRICAL STARTER TROUBLESHOOTING
STARTER MOTOR DOES NOT TURN
• Fuel tank shroud 3-6
• Loose or poor contacts of related terminal/connector
• Battery condition
• Burned fuse
Connector Diagram
Starter relay switch 4P connector
G/R
1. Starter Relay Coil Input Circuit Inspection
• Connection: Y/R (+) – Ground (–)
(Connector connected)
• Push and hold the starter button.
• Does the battery voltage exist?
Yes ▼
2. Starter Relay Coil Ground Circuit Inspection
• Connection: G/R – Ground
• Squeeze the clutch lever or shift the transmis-
sion in neutral position.
• Is there continuity?
Yes ▼
3. Starter Relay Inspection
• Replace the starter relay with a new one, and
recheck.
• Does the starter motor turn?
No ▼
• Check a short or open circuit in starter motor
cable.
• If there is no faulty circuit, replace the starter
motor with a new one, and recheck.
4-24
Y/R
• Inspect the following.
– Ignition switch
No
– Starter switch
►
– Engine stop switch
– Starter relay coil input related circuit
• Inspect the following.
– Diode
No
– Clutch switch
►
– Neutral switch
– Starter relay coil ground related circuit
Yes
• Faulty original starter relay
►