Toyota Tundra 2005 Service - Repair - Maintenance page 2140

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Table of Contents

STARTING (1GR−FE)

No Continuity

No Continuity

STARTER (1.6 kW)

INSPECT COMMUTATOR FOR OPEN CIRCUIT

Using an ohmmeter, check that there is continuity between the

segments of the commutator.

If there is no continuity between any segment, replace the ar-

INSPECT COMMUTATOR FOR GROUND

Using an ohmmeter, check that there is no continuity be-

tween the commutator and armature coil core.

If there is continuity, replace the armature.

Check that the commutator for dirty and burm on surface.

If the surface is dirty or burnt, correct it with sandpaper (No.400)

or on a lathe.

INSPECT COMMUTATOR LENGTH

Using vernier calipers, measure the commutator length.

Standard length: 3.1 mm (0.122 in.)

Maximum length: 3.8 mm (0.150 in.)

If the length is greater than maximum, replace the armature.

INSPECT STARTER COMMUTATOR END FRAME

Using vernier calipers, measure the brush holder length.

Standard length: 9.0 mm (0.354 in.)

Maximum length: 4.0 mm (0.158 in.)

If the length is less than minimum, replace the starter commuta-

tor end frame assy.

Check the brush holder.

Using an ohmmeter, check that there is no continu-

ity between the positive (+) and negative (−) brush

If the there is continuity, repair or replace the starter commuta-

tor end frame assy.

If there is no continuity, repair or replace the field frame.