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Home >> Suzuki >> 2012 >> Grand Vitara 4WD L4-2.4L >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Testing and Inspection >> Ignition Spark Test
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Ignition Spark Test




Ignition Spark Test

1) Remove spark plugs. Spark Plug Removal and Installation
2) Inspect spark plugs.
Spark Plug Inspection

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.

NOTE:
For identification of each cylinder, refer to Precautions for Identification of Cylinder Precautions for Identification of Cylinder.

3) Disconnect injector connectors.
4) Connect ignition coil connector (3) to ignition coil assembly.
5) Connect spark plug (1) to ignition coil assembly (3), and ground spark plug.
6) Crank engine and check if each spark plug produces sparks.





7) If any spark plug does not produce sparks, check ignition system. Ignition System Check
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