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 Lexus SC 430FACTORY OEM SERVICE PROCEDURE
Typical Enabling Conditions
TYPICAL ENABLING CONDITIONS
| Monitor will run whenever these DTCs are not present | P0010, P0020 (VVT OCV 1,2) P0011 (VVT system 1 - advance) P0012 (VVT system 1 - retard) P0021 (VVT system 2 - advance) P0022 (VVT system 2 - retard) P0031, P0032, P0051, P0052 (heated oxygen sensor 1) P0100 - P0103 (MAF meter) P0110 - P0113 (IAT sensor) P0115 - P0118 (ECT sensor) P0125 (insufficient ECT for closed loop) P0130 - P0153 (heated oxygen sensor 1) P0134, P0154 (heated oxygen sensor 1) P0171, P0172 (fuel system) P0300 - P0308 (misfire) P0335 (crankshaft position sensor) P0340 - P0345 (VVT sensor 1, 2) P0351 - P0358 (igniter) P0500 (VSS) |
| Battery voltage | 11 V or higher |
| One of the following conditions 1 or 2 is met | - |
| 1. All of the following conditions (a), (b) and (c) are met | - |
| (a) ECT at engine start - IAT at engine start | -15 to 7°C (5 to 44.6°F) |
| (b) ECT at engine start | -10 to 56°C (14 to 132.8°F) |
| (c) IAT at engine start | -10 to 56°C (14 to 132.8°F) |
| 2. All of the following conditions (d), (e) and (f) are met | - |
| (d) ECT at engine start - IAT at engine start | Higher than 7°C (44.6°F) |
| (e) ECT at engine start | 56°C (133°F) or lower |
| (f) IAT at engine start | -10°C (14°F) or higher |
| Accumulated time that vehicle speed is 80 mph (128 km/h) or more | Less than 20 seconds |
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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