Ignition System: Testing and Inspection

ON-VEHICLE INSPECTION

NOTICE: "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).

Spark Test

Check that spark occurs.
(a) Remove the ignition coil.
(b) Remove the spark plug.
(c) Install the spark plug to the ignition coil, and connect the ignition coil connector.
(d) Ground the spark plug.
(e) Check if spark occurs while engine is being cranked.

NOTICE: To prevent excess fuel being injected from the injectors during this test, do not crank the engine for more 5 - 10 seconds at a time.