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.
2020 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE
Engine Starting System & Charging System (2.5L): General Description: Specification
| Item | Specifications | ||
|---|---|---|---|
| Starter | Type | Reduction type | |
| Model | M000TF1171 | ||
| Manufacturer | Mitsubishi Electric | ||
| Voltage and output | 12 V - 1.4 kW | ||
| Direction of rotation | Counter clockwise (when observed from pinion) | ||
| Number of pinion teeth | 12 | ||
| No-load characteristics | Voltage | 11 V | |
| Current | 90 A or less | ||
| 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)] | ||
| Rotor slip ring outer diameter | Standard | 22.7 mm (0.894 in) | |
| Limit | 22.1 mm (0.870 in) | ||
| Battery | Type | LN2 | |
| Type | EFB (Enhanced Flooded Battery) | ||
| Nominal capacity | 5 HR: 51 Ah, 20HR: 62 Ah [25Β°C (77Β°F)] | ||
| Nominal voltage | 12 V | ||
| CCA | 620 A | ||
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.
