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: Starter Inrush Current Reduction Relay Circuit
DESCRIPTION The starter inrush current reduction relay prevents the auxiliary battery voltage from becoming dropping excessively while the starter assembly is operating. If the auxiliary battery voltage drops below the threshold, stop and start control will be prohibited...
Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Reassembly
REASSEMBLY CAUTION / NOTICE / HINT NOTICE: When removing and installing the combination meter glass, make sure not to touch the display panel. Do not allow any dirt (fingerprints, grease, etc.) to adhere to the combination meter glass. If the glass is dirty, wipe it clean with a soft cloth...
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Keys
To use the auxiliary key, press the knob and pull out the auxiliary key from the smart key.
