8-252
ENGINE ELECTRICAL
-
Ignition System
Defective insulation
Defective insulation
SERVICE
ADJUSTMENT
PROCEDURES
SPARK PLUG CABLE TEST
(1) Disconnect, one at a time, each of the spark plug cables
while the engine is idling to check whether the engine’s
running performance changes or not.
li
Caution
Wear rubber gloves while doing so.
(2) If the engine performance does not change, check the
resistance of the spark plug cable, and check the spark plug
itself.
SPARK PLUG TEST
(1)
Remove the spark plug and connect to the spark plug cable.
(2) Ground the spark plug outer electrode (body), and crank the
engine.
Check to be sure that there is an electrical discharge
between the electrodes at this time.
HIGH TENSION CABLE SPARK TEST <SOHC>
(1)
Disconnect the high-tension cable from the distributor cap.
(2) Hold the high tension cable about 6
-
8 mm
(.24
-
.31
in.)
away from engine proper (grounding portion such as
cylinder block) and crank engine to verify that sparks are
produced.