Ignition Spark Test
Ignition Spark Test
WARNING:
If this test is performed without disconnecting the injector connectors, a spark from a plug may ignite fuel vapor coming out of the spark plug holes during the test, causing a fire or explosion.
Be sure to disconnect the injector connectors from the injectors before performing this test.
1) Remove spark plug. Spark Plug Removal and Installation
2) Inspect spark plug. Spark Plug Inspection
3) Disconnect all injector connector.
4) Connect ignition coil connector (1) to ignition coil assembly (3).
5) Connect spark plug (2) to ignition coil assembly, and ground spark plug.
6) Crank engine and check whether spark plug sparks.
7) Check all spark plugs in the same manner. If any spark plug does not spark, check ignition system. Ignition System Check