Ignition Coil: Testing and Inspection

On-vehicle Inspection

Inspect ignition coil assembly and Perform spark test
1. Check for DTCs.

NOTE:
- If a DTC is present, perform troubleshooting in accordance with the procedure for that DTC.

2. Check if sparks occur.
(1) Remove the engine cover.
(2) Remove the ignition coils.
(3) Using a spark plug wrench, remove the spark plugs.
(4) Disconnect the 4 injector connectors.
(5) Ground the spark plug to the engine.




(6) Check if sparks occur at each spark plug while engine is being cranked.

NOTE:
- Do not crank the engine for more then 5 seconds.

3. If sparks do not occur, perform the following test.




4. Using a spark plug wrench, install spark plugs.
5. Install the ignition coils.
6. Install the cylinder head center cover and the engine cover.