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.
2021 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE
Engine Starting System & Charging System (2.5L): General Description: Specification: Generator
| Type | Rotating-field three-phase type, voltage regulator built-in type, each with load response control system |
| Model | A5TV1281ZC |
| Manufacturer | Mitsubishi Electric |
| Voltage and output | 12 V - 150 A |
| Polarity on ground side | Negative |
| Direction of rotation | Clockwise (when observed from pulley side) |
| Stator connection | 3-phase Ξ type |
| Output current | 1, 500 r/min - 44 A or more [13.5 V] 2, 500 r/min - 121 A or more [13.5 V] 5, 000 r/min - 148 A or more [13.5 V] |
| Regulated voltage | 14.0 - 14.6 V [20Β°C (68Β°F)] |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.