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Ignition Spark Test

WARNING: Be sure to disconnect injector connectors. Without disconnection of injector connectors, combustible gas may come out from spark plug holes during this test and may get ignited in engine compartment.
  1. Remove spark plug, see Spark Plug Removal and Installation .
  2. Inspect spark plug, see 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.
    Fig 1: Inspecting Spark Plug And Ignition Coil
    G06529864Courtesy of SUZUKI OF AMERICA CORP.
  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, see Ignition System Check .
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