HINT: Inspect the fuse and relay before investigating the suspected areas shown in the table below.
WIRELESS DOOR LOCK CONTROL SYSTEM:

Customize parameters
Terminals of ECUCommunication Error of Yaw Rate Sensor
DTC U0123 Communication Error of Yaw Rate Sensor
DESCRIPTION
This circuit detects the yaw rate of the vehicle and transmits its signal to
the skid control ECU and
distance control ECU.
DTC No.
DTC Detection Condition
Trouble Area
U0123
While the dynamic ...
If a warning light turns on
or a warning buzzer
sounds
Calmly perform the following actions if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then
goes off, this does not necessarily indicate a malfunction in the
system. However, if this continues to occur, have the vehicle
inspected by your Toyota dealer.
Warnin ...
Reassembly
1. INSTALL INPUT SHAFT OIL SEAL RING
(a) Compress a new input shaft oil seal ring from both
sides to reduce dimension A.
Dimension A:
5 mm (0.197 in.)
(b) Coat the oil seal ring with ATF and install it to the
input shaft.
NOTICE:
Do not expand the end gap of the oil seal ring
too much. ...