Tacoma PreRunner Dbl Cab 2WD V6-3.4L (5VZ-FE) (2001)
Ignition Coil: 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 IGNITION COIL
a. Remove the air cleaner hose.
b. Disconnect the high-tension cords and ignition coil connectors from the ignition coils.
Primary Coil Resistance
c. Inspect the primary coil resistance.
Using an ohmmeter, measure the resistance between the positive (+) and negative (-) terminals.
If the resistance is not as specified, replace the ignition coil.
d. Remove the ignition coils.
Secondary Coil Resistance
e. Inspect the secondary coil resistance.
Using an ohmmeter, measure the resistance between the positive (+) and high-tension terminals.
If the resistance is not as specified, replace the ignition coil
f.
Reinstall the ignition coils.
g. Reconnect the ignition coil connectors and the high-tension cords.
h. Reinstall the air cleaner hose.