FJ Cruiser 4WD V6-4.0L (1GR-FE) (2007)
Alternator: Testing and Inspection
GENERATOR
INSPECTION
1. INSPECT GENERATOR BRUSH HOLDER ASSEMBLY
a. Using vernier calipers, measure the exposed brush length.
Standard exposed brush length: 10.5 mm (0.413 in.)
Minimum exposed brush length: 4.5 mm (0.177 in.)
If the exposed brush length is less than the minimum, replace the brush holder.
2. INSPECT GENERATOR ROTOR ASSEMBLY
a. Check the rotor for an open circuit.
1. Using an ohmmeter, measure the resistance between the slip rings.
Standard resistance: 2.3 to 2.7 ohms at 20°C (68°F)
If the resistance is not as specified, replace the rotor.