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.
2012 Hyundai Equus SignatureFACTORY OEM SERVICE PROCEDURE
Charging System
CHARGING SYSTEM
| Items | Specification | |
|---|---|---|
| Alternator | Rate voltage | 13.5 V, 180A |
| Speed in use | 1, 500 ~ 18, 000 rpm | |
| Voltage regulator | IC regulator built-in type | |
| Regulator setting voltage | 11.6 ~ 15.4 V | |
| Battery | Type | 80 - 35 FL |
| Cold cranking amperage [at -18Β°C (-0.4Β°F)] | 780 A | |
| Reserve capacity | 190 min | |
| Specific gravity [at 25Β°C (77Β°F)] | 1.280 Β± 0.01 | |
NOTE:
- COLD CRANKING AMPERAGE is the amperage a battery can deliver for 30 seconds and maintain a terminal voltage of 7.2V or greater at a specified temperature.
- RESERVE CAPACITY RATING is amount of time a battery can deliver 25A and maintain a minimum terminal voltage of 10.5V at 26.7Β°C (80.1Β°F).
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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