6. Check Ignition Spark

1. Turn ignition switch OFF.
2. Disconnect ignition coil assembly from rocker cover.
3. Connect a known-good spark plug to the ignition coil assembly.
4. Disconnect all injector harness connectors.
5. Place end of spark plug against a suitable ground and crank engine.
6. Check for spark.

OK or NG 

OK : GO TO 7.

NG : Check ignition coil with power transistor and their circuit.

Refer to IGNITION SIGNAL  .