The following warning indicates a possible problem in the brake system.
Immediately stop the vehicle in a safe place and contact your Toyota dealer.

If a warning light turns on or a warning buzzer sounds...
Stop the vehicle immediately.Short in Front Passenger Side Squib Circuit (B1805/52-B1808/52)
DESCRIPTION
The front passenger side squib circuit consists of the center airbag sensor assembly
and front passenger airbag assembly.
The center airbag sensor assembly uses this circuit to deploy the airbag when
deployment conditions are met.
These DTCs ...
ABS Warning Light Remains ON
DESCRIPTION
The skid control ECU is connected to the combination meter via CAN communication.
If any of the following is detected, the ABS warning light remains on:
The skid control ECU connector is disconnected from the skid control
ECU.
The ...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT) (w/ POWER BACK DOOR
SYSTEM)
(a) Disconnect the L20 power back door ECU connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
...