Toyota Yaris: Generator / Inspection
INSPECTION
PROCEDURE
1. INSPECT GENERATOR PULLEY WITH CLUTCH
(a) Hold the center of the generator pulley with clutch, and confirm that the outer ring turns counterclockwise and does not turn clockwise.
OK:
The outer ring turns counterclockwise and does not turn clockwise.
If the result is not as specified, replace the generator pulley with clutch.
 | Free |
 | Lock |
2. INSPECT GENERATOR BRUSH HOLDER ASSEMBLY
| (a) Using a vernier caliper, measure the length of the exposed brushes. Standard exposed brush length: 9.5 to 11.5 mm (0.374 to 0.453 in.) Minimum exposed brush length: 4.5 mm (0.177 in.) If the brush length is less than the minimum, replace the generator brush holder assembly. |
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3. INSPECT GENERATOR ROTOR ASSEMBLY
(a) Check the generator rotor assembly for an open circuit.
| (1) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the generator rotor assembly. |
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(b) Check the generator rotor assembly for a short to ground.
| (1) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the generator rotor assembly. |
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| (c) Check that the generator rotor bearing is not rough or worn and that it rotates smoothly. If the generator rotor bearing is rough or worn, or does not rotate smoothly, replace the generator rotor assembly. |
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(d) Check the slip ring.
(1) Check that the slip rings are not rough or scored.
If the slip rings are rough or scored, replace the generator rotor assembly.
| (2) 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.) If the diameter is less than the minimum, replace the generator rotor assembly. |
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4. INSPECT GENERATOR DRIVE END FRAME BEARING
| (a) Check that the generator drive end frame bearing is not rough or worn and that it rotates smoothly. If the generator drive end frame bearing is rough or worn, or does not rotate smoothly, replace the generator drive end frame bearing. |
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Removal
REMOVAL CAUTION / NOTICE / HINT HINT: When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating...
Reassembly
REASSEMBLY PROCEDURE 1. INSTALL GENERATOR DRIVE END FRAME BEARING (a) Using SST and a press, install a new generator drive end frame bearing. SST: 09950-60011 09951-00470 SST: 09950-70010 09951-07100
(b) Fit the tabs of the retainer plate into the cutouts of the generator drive end frame to install the retainer plate...
Other information:
Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT FRONT LOWER BALL JOINT ASSEMBLY (a) Check for looseness. (1) Lift up the vehicle. (2) Move the front lower No. 1 suspension arm sub-assembly up and down by hand with a force of 294 N (30 kgf) or more to check that there is no looseness at the front lower ball joint assembly...
Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE BRAKE VACUUM CHECK VALVE ASSEMBLY (a) Remove the brake vacuum check valve assembly from the brake booster assembly. (b) Remove the check valve grommet from the brake booster assembly. 2. REMOVE VACUUM SENSOR ASSEMBLY (a) Remove the vacuum sensor assembly from the brake booster assembly...
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Keys
To use the auxiliary key, press the knob and pull out the auxiliary key from the smart key.
