Circuit Description
WARNING: This page is about a different car, the 2003 Lexus RX 300 and 2002 Lexus RX 300. However, it is still accessible from the selected car via links, so may be relevant.
The vehicle speed sensor circuit is sent to cruise control ECU as vehicle speed signal. For each rotation of the shaft, the vehicle speed sensor sends a signal through the combination meter to the cruise control ECU. The ECU calculates the vehicle speed from this pulse frequency. See Figure.
Detection Item
- Vehicle speed sensor pulse is abnormal.
Trouble Area
- Vehicle speed sensor.
- Cruise control ECU.