Failing to investigate the cause of the following warnings may lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Toyota dealer immediately.


Stop the vehicle immediately.
Follow the correction procedures.Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the LH side and RH side.
The following procedure is for the LH side.
If the sensor rotor needs to be replaced, replace it together with the
front drive shaft assembly.
...
Door Courtesy Switch Circuit
DESCRIPTION
When an additional transponder key is registered, the transponder key ECU assembly
detects the front door courtesy light switch assembly (for driver side) open/close
condition, and enters the key registration mode.
WIRING DIAGRAM
CAUTION / ...
TS and CG Terminal Circuit
DESCRIPTION
In the Test Mode (signal check), a malfunction in the speed sensor that cannot
be detected when the vehicle is stopped can be detected while driving.
Transition to the sensor check mode can be performed by connecting terminals
TS and CG of th ...