DTC 77
WARNING: This page is about a different car, the 1998 Lexus SC 400, 1998 Lexus SC 300, 1997 Lexus SC 400, and 1997 Lexus SC 300. However, it is still accessible from the selected car via links, so may be relevant.
Abnormal signal from right rear speed sensor. Check right rear sensor rotor and sensor wire harness.