Toyota AVENSIS 2000 Supplement Manual page 336

4 Calibrate the steering angle sensor (See page DI–171).
OK
5 Replace the ECU and check whether or not the trouble occurs again.
NO
Check and replace ABS & BA & TRC & VSC
ECU with actuator assembly.
AVENSIS/CORONA SUP (RM781E)
DIAGNOSTICS – ABS WITH EBD & BA & TRC & VSC SYSTEM
NG Replace steering angle sensor with colum As-
sembly (See page SR–6).
YES Replace steering angle sensor with colum As-
sembly (See page SR–6).
DI–205