On-Vehicle Inspection: Notes

Spark Test 

1. Disconnect the ignition coil connectors (A).
   Fig 1: Ignition Coil Connectors

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2. Remove the ignition coils (A).
   Fig 2: Ignition Coils

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3. Using a spark plug socket, remove the spark plug.
4. Install the spark plug to the ignition coil.
5. Ground the spark plug to the engine.
   Fig 3: Grounding Spark Plug To Engine

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6. Check if spark occurs while engine is being cranked.
   NOTE: To prevent fuel being injected from injectors while the engine is being cranked, disconnect the injector connector. Crank the engine for no more than 5 ~ 10 seconds.
7. Inspect all the spark plugs.
8. Using a spark plug socket, install the spark plug.
9. Install the ignition coil.
10. Reconnect the ignition coil connector.
    Fig 4: Spark Plug Testing Flow Chart

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