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 AzeraFACTORY OEM SERVICE PROCEDURE
Charging System
CHARGING SYSTEM SPECIFICATIONS
| Items | Specification | ||
|---|---|---|---|
| Alternator | Rate voltage | 13.5 V, 150A | |
| Speed in use | 1, 500 ~ 18, 000 rpm | ||
| Voltage regulator | IC regulator built-in type | ||
| Regulator setting voltage | External mode | ECU control | |
| Internal mode | 14.0~15.0V | ||
| Temperature compensation | External mode | ECU control | |
| Internal mode | -4 ± 4 mV/°C | ||
| Battery | Type | 64 - 27 GL | |
| Cold cranking amperage [at -18°C (- 0.4°F)] | 660 A | ||
| Reserve capacity | 145 min | ||
| Specific gravity [at 25° C (77°F)] | 1.280 ± 0.01 | ||
CAUTION:
- 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 26.7°C (80.1°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:
- • 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.
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