GS430, LS430 & SC430
WARNING: This page is about a different car, the 2003 Lexus SC 430, 2003 Lexus LS 430, 2003 Lexus IS 300, 2003 Lexus GS 430, and 2003 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
- Variable Valve Timing (VVT) sensors are located on top of engine and are mounted on the intake side of each cylinder head. To access left VVT sensor, remove engine cover. Disconnect engine wire protector from upper intake manifold and camshaft bearing cap. Disconnect VVT sensor 2-pin connector with Green and Red wires. To access right VVT sensor, remove engine cover. Remove intake air connector pipe. Disconnect VVT sensor 2-pin connector with Yellow and Blue wires.
- Measure resistance between VVT sensor terminals. Replace sensor if resistance is not as specified. See VARIABLE VALVE TIMING SENSOR RESISTANCE table.
VARIABLE VALVE TIMING SENSOR RESISTANCE
| Coolant Temperature °F (°C) | Ohms |
|---|---|
| -14-122 (-10-50) | 835-1400 |
| 123-212 (51-100) | 1060-1645 |