Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSSCION2009XD AUTOMATICREPAIR AND DIAGNOSISELECTRICALCHARGING SYSTEMS2ZR-FE CHARGINGGENERATORINSPECTION

2009 Scion xD Automatic

2ZR-FE Charging: Generator: Inspection

2009 Scion xD AutomaticSECTION Inspection

INSPECT GENERATOR CLUTCH PULLEY
1. Hold the center of the pulley, and confirm that the outer ring turns counterclockwise and does not turn clockwise.
  If the result is not as specified, replace the clutch pulley.
  
  Fig 1: Inspecting Generator Clutch Pulley
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSPECT GENERATOR BRUSH HOLDER ASSEMBLY
1. Using vernier calipers, measure the length of the exposed brushes.
  Standard exposed length:
  
  9.5 to 11.5 mm (0.374 to 0.453 in.)
  
  Minimum exposed length:
  
  4.5 mm (0.177 in.)
  
  If the exposed length is less than the minimum, replace the brush holder assembly.
  
  Fig 2: Measuring Length Of Exposed Brushes
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSPECT 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

RESISTANCE REFERENCE

Tester connection	Condition	Specified condition
Slip ring - Slip ring	20°C (68°F)	2.3 to 2.7 kΩ

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

Fig 3: Measuring Resistance Value

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Check the rotor for ground.

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

Standard resistance

RESISTANCE REFERENCE

Tester connection	Specified condition
Slip ring - Rotor	1 MΩ or higher

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

Fig 4: Checking Rotor For Ground

Check that the generator rotor bearing is not rough or worn. If necessary, replace the generator rotor assembly.

Fig 5: Checking Generator Rotor Bearing
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Using vernier calipers, measure the slip ring diameter.
Standard diameter:

14.2 to 14.4 mm (0.559 to 0.567 in.)

Minimum diameter:

14.0 mm (0.551 in.)

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

Fig 6: Measuring Slip Ring Diameter
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

INSPECT GENERATOR DRIVE END FRAME BEARING
1. Check that the bearing is not rough or worn. If necessary, replace the generator drive end frame bearing.
  
  Fig 7: Inspecting Generator Drive End Frame Bearing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.