6. Check Ignition Spark
WARNING: This page is about a different car, the 2004 Infiniti M45. However, it is still accessible from the selected car via links, so may be relevant.
- Turn ignition switch OFF.
- Remove ignition coil assembly from rocker cover.
- Connect a known-good spark plug to the ignition coil assembly.
- Disconnect all injector harness connectors.
- Place end of spark plug against a suitable ground and crank engine.
- Check for spark.
OK or NG
- OK: GO TO 7.
- NG: Check ignition coil with power transistor and their circuit.
Refer to IGNITION SIGNAL .