NOTE To prevent damage to the rotor shaft do not loosen the pulley nut more than onehalf of a turn

f. Remove the generator from SST (C).

2007 ELECTRICAL Charging - Sequoia

Fig. 13: loosening pulley nut by turning SST (A) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

h. Remove the pulley nut and pulley

2007 ELECTRICAL Charging - Sequoia

Fig. 14: Turn SST (B), & Remove SST (A & B) Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

4. REMOVE COIL ASSEMBLY

a. Remove the 4 bolts.

2007 ELECTRICAL Charging - Sequoia

Fig. 15: Removing Bolts

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 15: Removing Bolts

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Using SST, remove the coil assembly.

SST 09950-40011 (09951-04020, 09952-04010, 09953-04020, 09954-04010, 09955-04071, 0995804011)

c. Remove the generator washer.

2007 ELECTRICAL Charging - Sequoia

Fig. 16: Removing Coil Assembly Using SST Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

5. REMOVE ROTOR FROM DRIVE END FRAME

INSPECTION

1. INSPECT ROTOR

a. Check the rotor for open circuit.

1. Using an ohmmeter, check that there is continuity between the slip rings.

Standard resistance: 1.5 to 1.9 ohms at 20°C (68°F)

If there is no continuity, replace the rotor.

2007 ELECTRICAL Charging - Sequoia

Ohmmeter

Fig. 17: Checking Continuity Between Slip Rings Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

b. Check the rotor for ground.

1. Using an ohmmeter, check that there is no continuity between the slip ring and rotor.

If there is continuity, replace the rotor.

c. Check that the slip rings are not rough or scored. If rough or scored, replace the rotor.

2007 ELECTRICAL Charging - Sequoia

Ohmmeter

Fig. 18: Checking Continuity Between Slip Ring & Rotor Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

d. Using vernier calipers, measure the slip ring diameter.

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

Don't pay hundreds of dollars to find out what is wrong with your car. This book is dedicated to helping the do it yourself home and independent technician understand and use OBD-II technology to diagnose and repair their own vehicles.

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