Toyota Workshop Service and Repair Manuals

Alternator Brush: Testing and Inspection
Type B

Brushes

INSPECT EXPOSED BRUSH LENGTH
Using vernier calipers, measure the exposed brush length.

Standard exposed length:

9.5 - 11.5 mm (0.374 - 0.453 in.)

Minimum exposed length:

1.5 mm (0.059 in.)

If the exposed length is less than minimum, replace the brushes.
See: Service and Repair