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.
2007 Hyundai Azera GLSFACTORY OEM SERVICE PROCEDURE
Specification (ESC)
ITEM SPECIFICATIONS
| Part | Item | Standard Value | Remark |
|---|---|---|---|
| HECU (Hydraulic and Electronic Control Unit) | System | 4 channel 4 sensor (Solenoid) |
|
| Type | Motor, valve relay intergrated type | ||
| Operating voltage | 8V ~ 16V (DC) | ||
| Operating temperature | -40 ~ 120°C (-40 ~ 248°F) | ||
| Warning lamp | Operating voltage | 12 V |
|
| Current consumption | 80 mA | ||
| Active wheel speed sensor | Supply voltage | DC 4.5 ~ 20V | |
| Output current low | 5.9~8.4 mA | ||
| Output current high | 11.8~16.8 mA | ||
| Tone wheel | 48 teeth | ||
| Frequency range | 1~2500 HZ | ||
| Airgap | 0.4 ~ 1.0 mm (0.02-0.04 in) | ||
| Steering Wheel Angle Sensor | Operating Voltage | 8V ~ 16 V | |
| Current Consumption | Max 150 mA | ||
| Operating Angular velocity | Max ±2000°/sec | ||
| Yaw-rate & Lateral G sensor | Operating Voltage | 8 V ~ 16 V | |
| Current Consumption | Max. 120 mA | ||
| Output Voltage | 0.35V ~ 4.65 V | ||
| Yaw Sensor Operating Range | ±100°/s | ||
| G Sensor Operating Range | ±1.8 G | ||
| Reference voltage output | 2.464 ~ 2.536 V | Typ. 2.5 V |
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:
- • 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.