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
Engine Control System
| Item | kgf.m | N.m | lb-ft |
|---|---|---|---|
| ECM installation nut | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| ECM bracket installation bolt/nut | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| IDB installation bolt/nut | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| IDB bracket installation bolt/nut | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| Engine coolant temperature sensor installation | 2.0 ~ 4.0 | 19.6 ~ 39.2 | 14.5 ~ 28.9 |
| Crankshaft position sensor installation bolt | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| Camshaft position sensor (Bank 1/Intake) installation bolt | 0.8 ~ 1.2 | 7.8 ~ 11.8 | 5.8 ~ 8.7 |
| Camshaft position sensor (Bank 1/Exhaust) installation bolt | 0.8 ~ 1.2 | 7.8 ~ 11.8 | 5.8 ~ 8.7 |
| Camshaft position sensor (Bank 2/Intake) installation bolt | 0.8 ~ 1.2 | 7.8 ~ 11.8 | 5.8 ~ 8.7 |
| Camshaft position sensor (Bank 2/Exhaust) installation bolt | 0.8 ~ 1.2 | 7.8 ~ 11.8 | 5.8 ~ 8.7 |
| Knock sensor (Bank 1/Front) installation bolt | 1.5 ~ 2.5 | 14.7 ~ 24.5 | 10.9 ~ 18.1 |
| Knock sensor (Bank 1/Rear) installation bolt | 1.5 ~ 2.5 | 14.7 ~ 24.5 | 10.9 ~ 18.1 |
| Knock sensor (Bank 2/Front) installation bolt | 1.5 ~ 2.5 | 14.7 ~ 24.5 | 10.9 ~ 18.1 |
| Knock sensor (Bank 2/Rear) installation bolt | 1.5 ~ 2.5 | 14.7 ~ 24.5 | 10.9 ~ 18.1 |
| Heated oxygen sensor (Bank 1/sensor 1) installation | 4.0 ~ 5.0 | 39.2 ~ 49.1 | 28.9 ~ 36.2 |
| Heated oxygen sensor (Bank 1/sensor 2) installation | 4.0 ~ 5.0 | 39.2 ~ 49.1 | 28.9 ~ 36.2 |
| Heated oxygen sensor (Bank 2/sensor 1) installation | 4.0 ~ 5.0 | 39.2 ~ 49.1 | 28.9 ~ 36.2 |
| Heated oxygen sensor (Bank 2/sensor 2) installation | 4.0 ~ 5.0 | 39.2 ~ 49.1 | 28.9 ~ 36.2 |
| Rail pressure sensor installation | 3.0 ~ 3.5 | 29.4 ~ 34.3 | 21.7 ~ 25.3 |
| Fuel tank pressure sensor installation bolt | 0.4 ~ 0.6 | 3.9 ~ 5.9 | 2.9 ~ 4.3 |
| ETC (Electronic throttle control) module installation bolt | 0.8 ~ 1.0 | 7.8 ~ 9.8 | 5.8 ~ 7.2 |
| Purge control solenoid valve bracket installation bolt | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| CVVT oil control valve (Bank 1/Intake) installation bolt | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| CVVT oil control valve (Bank 1/Exhaust) installation bolt | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| CVVT oil control valve (Bank 2/Intake) installation bolt | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| CVVT oil control valve (Bank 2/Exhaust) installation bolt | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
| Canister close valve installation bolt | 0.4 ~ 0.6 | 3.9 ~ 5.9 | 2.9 ~ 4.3 |
| Ignition coil installation bolt | 1.0 ~ 1.2 | 9.8 ~ 11.8 | 7.2 ~ 8.7 |
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.
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