Toyota Tundra. Manual — part 2352

b

Perform holding test

1

With the battery connected as above with the clutch pinion gear out, disconnect the negative
(-) lead from terminal C Check that the pinion gear remains out

If the clutch pinion gear returns inward, replace the magnet starter switch assembly

Fig. 56: Identifying Starter Assembly (Holding Test)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2009 Toyota Tundra

2009 ENG NE Starting (2UZ-FE) - Tundra

c

Inspect clutch pinion gear return

1

Disconnect the negative (-) lead from the starter body Check that the clutch pinion gear
returns inward

If the clutch pinion gear does not return inward, replace the magnet starter switch assembly

2009 Toyota Tundra

2009 ENG NE Starting (2UZ-FE) - Tundra

Fig. 57: Inspecting Clutch Pinion Gear Return
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

d

Perform the operation test without load

1

Connect the field coil lead wire to terminal C

2009 Toyota Tundra

2009 ENG NE Starting (2UZ-FE) - Tundra

Torque: 5.9 N*m (60 kgf*cm, 52 in.*lbf)

2

Grip the starter in a vise

3

Connect the battery and an ammeter to the starter as shown

4

Check that the starter rotates smoothly and steadily with the clutch pinion gear extended

5

Check that the ammeter reads the specified current

Standard current:

100 A or less at 11.5 V

If the result is not as specified, replace the starter assembly

Fig. 58: Identifying Starter Assembly (Operation Test Without Load)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2

INSPECT STARTER ARMATURE ASSEMBLY

a

Inspect the commutator for an open circuit

1

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

Standard resistance

STARTER ARMATURE ASSEMBLY (OPEN CIRCUIT)

If the result is not as specified, replace the armature assembly

Tester Connection Condition Specified Condition

Commutator

Always

Below 1 ohms

2009 Toyota Tundra

2009 ENG NE Starting (2UZ-FE) - Tundra