GX 470 V8-4.7L (2UZ-FE) (2004)
a. Remove the 2 screws and starter drive housing.
b. Remove return spring idler gear, bearing and starter clutch assembly from the starter housing.
c. Using a magnetic finger, remove the steel ball from the clutch shaft hole.
5. INSPECT STARTER ARMATURE ASSY
a. Inspect commutator for dirty and burnt surface.
If the surface of the commutator is dirty or burned, polish the part with sandpaper (#400) or replace the armature.
b. Inspect commutator for open circuit.
1. Using an ohmmeter, check that there is continuity between the segments of the commutator.
If there is no continuity between any segment, replace the armature.