Inspection [09/2014 - 10/2015]: Procedure

INSPECT GENERATOR PULLEY WITH CLUTCH

Hold the center of the generator pulley with clutch and check that the outer ring turns counterclockwise and does not turn clockwise.

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	Free
	Lock

If the result is not as specified, replace the generator pulley with clutch.

INSPECT GENERATOR BRUSH HOLDER ASSEMBLY

Using a vernier caliper, measure the brush length.

Standard exposed length

9.5 to 11.5 mm (0.374 to 0.453 in.)

Minimum exposed length

4.5 mm (0.177 in.)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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Length

If the brush length is less than the minimum, replace the generator brush holder assembly.

INSPECT GENERATOR ROTOR ASSEMBLY

Check that the bearing is not rough or worn.

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If necessary, replace the generator rotor assembly.

Check the generator rotor for an open circuit.

Measure the resistance according to the value(s) in the table below.

Standard Resistance

Tester Connection	Condition	Specified Condition
Slip ring - Slip ring	20°C (68°F)	1.5 to 1.9 Ω

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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Slip Ring

If the result is not as specified, replace the generator rotor assembly.

Check if the generator rotor is grounded.

Measure the resistance according to the value(s) in the table below.

Standard Resistance

Tester Connection	Condition	Specified Condition
Slip ring - Rotor	Always	10 MΩ or higher

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*1	Slip Ring
*2	Rotor

If the result is not as specified, replace the generator rotor assembly.

Using a vernier caliper, measure the slip ring diameter.

Standard diameter

14.2 to 14.8 mm (0.559 to 0.583 in.)

Minimum diameter

14.0 mm (0.551 in.)

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Diameter

If the diameter is less than the minimum, replace the generator rotor assembly.