Ignition System: Testing and Inspection

ON-VEHICLE INSPECTION

NOTE: "Cold" and "Hot" in these sentences express the temperature of the coils themselves. "Cold" is from -10° C (14° F) to 50° C (122° F) and "Hot" is from 50° C (122° F) to 100° C (212° F).

INSPECT SPARK TEST
Check that the spark occurs.
1. Disconnect the high-tension cord from the spark plug.
2. Remove the spark plug.
3. Install the spark plug to the high-tension cord.
4. Ground the spark plug.
5. See if spark occurs while engine is being cranked.

NOTE: To prevent gasoline from being injected from injectors during this test, crank the engine for no more than 5 - 10 seconds at time.




If the spark does not occurs, do the test: