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.
2008 Lexus SC 430FACTORY OEM SERVICE PROCEDURE
Service Data
3UZ-FE ENGINE CONTROL SYSTEM - SERVICE DATA
| Camshaft timing oil control valve: Standard resistance (1 (+B) - 2 (GND)) | 6.9 to 7.9 kΩ at 20°C (68°F) |
| Camshaft position sensor: Standard resistance (1 (G+) - 2 (G-)) | 835 to 1, 00 Ω at cold 1, 60 to 1, 45 Ω at hot |
| VVT sensor: Standard resistance (1 (G+) - 2 (G-)) | 835 to 1, 00 Ω at cold 1, 60 to 1, 45 Ω at hot |
| Crankshaft position sensor: Standard resistance (1 (Ne+) - 2 (Ne-)) | 1, 30 to 2, 40 Ω at cold 2, 65 to 3, 25 Ω at hot |
| Engine coolant temperature sensor: Standard resistance (1 (E2) - 2 (THW)) | 2.32 to 2.59 kΩ at 20°C (68°F) 0.310 to 0.326 kΩ at 80°C (176°F) |
| Throttle body: Standard resistance (1 (M-) - 2 (M+) | 0.3 to 100 kΩ at 20°C (68°F) |
| Knock sensor: Standard resistance (1 (Ground) - 2 (Output) | 120 to 280 kΩ at 20°C (68°F) |
| Accelerator pedal (ACCEL POS #1): Standard voltage | 0.5 to 1.1 V (accelerator pedal released) 2.5 to 4.5 V (accelerator pedal depressed) |
| Accelerator pedal (ACCEL POS #2): Standard voltage | 1.2 to 2.0 V (accelerator pedal released) 3.4 to 5.0 V (accelerator pedal depressed) |
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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