Toyota Tundra Service Manual > Ignition System: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. PERFORM SPARK TEST (a) Check for DTCs (See page ). NOTICE: If any DTC is present, perform troubleshooting procedures for that DTC. (b) Check if sparks occur. (1) Remove the ignition coils and spark plugs (See page ). (2) Install the spark plug to the ignition coil ...
