Honda NC700 2012, Service Manual

Page: 248 / 773

6-5
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ELECTRIC STARTER
TROUBLESHOOTING
Starter motor does not turn (NC700X/XA/S/SA)
1. Fuse Inspection
Check for blown main fuse 30 A or sub fuse 7.5 A (ENG STOP).
Is the fuse blown?
YES – Replace the fuse.
NO – GO TO STEP 2.
2. Battery Inspection
Make sure the battery is fully charged and in good condition (page 21-6).
Is the battery in good condition?
YES – GO TO STEP 3.
NO – Charge or replace the battery.
3. Starter Relay Switch Operation
Check the starter relay switch operation.
You should hear the relay "CLICK" when the starter switch button is depressed.
Is there a "CLICK"?
YES – GO TO STEP 4.
NO – GO TO STEP 5.
4. Starter Motor Inspection
Apply battery voltage directly to the starter motor and check the operation.
Does the starter motor turn?
YES – • Poorly contacted starter motor cable
• Faulty starter relay switch (page 6-10)
NO – Faulty starter motor (page 6-8)
5. Relay Coil Ground Lines Inspection
Disconnect the starter relay switch connector, and check the relay coil ground wire line as below for
continuity:
1. Green/red terminal – neutral diode – neutral switch line (with the transmission in neutral and clutch lever
released).
2. Green/red terminal – clutch switch – sidestand switch (in any gear except neutral, and with the clutch
lever pulled in and sidestand up.)
Is there continuity?
YES – GO TO STEP 6.
NO – • Loose or poor contact connector
• Open circuit in wire harness
• Faulty neutral diode (page 6-12)
• Faulty neutral switch (page 22-27)
• Faulty sidestand switch (page 22-28)
• Faulty clutch switch (page 22-26)
6. Starter Relay Input Voltage Inspection
Connect the starter relay switch connector.
With the ignition switch turned ON and engine stop switch " " and the starter switch is pushed, measure the
voltage at the starter relay switch connector (between Yellow/red (+) and ground (–)).
Does the battery voltage exist?
YES – GO TO STEP 7.
NO – • Faulty ignition switch (page 22-24)
• Faulty starter switch (page 22-25)
• Faulty engine stop switch (page 22-25)
• Loose or poor contact connector
• Open circuit in wire harness