IGNITION SYSTEM

CIRCUIT DIAGRAM

1.

Crankshaft position sensor

2.

AC magneto

3.

Rectifier/regulator

4.

Engine ground

5.

Frame ground

6.

Battery

7.

Fuse

8.

Starter relay

9.

Starter motor

10.

Diode 1

11.

CCU (Communication Control Unit)

13.

ECU (Engine Control Unit)

14.

Ignition coil

15.

Spark plug

28.

Gear position switch

29.

Handlebar switch (left)

30.

Mode switch

31.

Engine stop switch

32.

Handlebar switch (right)

33.

Start switch

A.

Wire harness

B.

CCU sub-lead

TROUBLESHOOTING

The ignition system fails to operate (no spark or intermittent spark).

Before troubleshooting, remove the following part(s):

  • Seat

  • Side cover (left/right)

  • Shroud (left/right)

  • Fuel tank

  • Air filter case cover

  1. Check the ignition system wire harness connections.

 NG→

Reconnect.
OK↓

  1. Check the fuse(s).

    Refer to CHECKING THE FUSES.

 NG→

Replace the fuse(s).
OK↓

  1. Check the battery.

    Refer to CHECKING AND CHARGING THE BATTERY.

 NG→

  • Clean the battery terminals.

  • Recharge or replace the battery.
OK↓

  1. Check the spark plug.

    Refer to CHECKING THE SPARK PLUG.

 NG→

Correct or replace the spark plug.
OK↓

  1. Check the ignition spark gap.

    Refer to CHECKING THE IGNITION SPARK GAP.

 OK→

The ignition system circuit is OK.
NG↓

  1. Check the ignition coil.

    Refer to CHECKING THE IGNITION COIL.

 NG→

Replace the ignition coil.
OK↓

  1. Check the engine stop switch.

    Refer to CHECKING THE SWITCHES.

 NG→

Replace the handlebar switch (left).
OK↓

  1. Check the crankshaft position sensor.

    Refer to CHECKING THE CRANKSHAFT POSITION SENSOR.

 NG→

Replace the crankshaft position sensor.
OK↓

  1. Check the stator coil assembly.

    Refer to CHECKING THE STATOR COIL.

 NG→

Replace the stator coil assembly.
OK↓

  1. Check the ignition system wire harness.

    Refer to CIRCUIT DIAGRAM.

 NG→

Repair or replace the wire harness.
OK↓

Replace the ECU.

The drive mode does not operate.

Before troubleshooting, remove the following part(s):

  • Seat

  • Side cover (left)

  • Shroud (left)

  1. Check the handlebar switch coupler (left) connections.

 NG→

Reconnect.
OK↓

  1. Check the handlebar switch (left).

    Refer to CHECKING THE SWITCHES.

 NG→

Replace the handlebar switch (left).
OK↓

  1. Check the ignition system wire harness.

    Refer to CIRCUIT DIAGRAM.

 NG→

Repair or replace the wire harness.
OK↓

Replace the ECU.