Toyota 4A-FE Repair Manual page 205

IG-16
IGNITION SYSTEM - Integrated Ignition Assembly (llA) (4A-FE)
IGl 145
IGl 169
IG1212
5. REMOVE IGNITER
(a) Remove the two nuts, and disconnect the three wires
from the igniter terminals.
(b)
Remove the two screws and igniter.
6. REMOVE llA WIRE
(a)
Disconnect the connector from the cord clamp.
(b) Remove the screw and condenser.
(c) Remove the grommet of the wire from the housing.
INSPECTION OF llA
INSPECT GOVERNOR SHAFT
Turn the governor shaft and check that it is not rough or
worn.
If it feels rough or worn, replace the llA housing assembly.