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.Engine (ignition) switch (vehicles without smart key system)
- Starting the engine
Check that the parking brake is
set.
Check that the shift lever is set
in “P”.
Sit in the driver’s seat and firmly
depress the brake pedal.
Turn the engine switch to the “START”
position and start the engine ...
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
Main body ECU (Driver side junction block assembly)
Power back door ECU (Power back door motor unit)
...
Reassembly
REASSEMBLY
PROCEDURE
1. INSTALL TRANSFER DRIVEN PINION REAR BEARING
(a) Using SST and a press, press the transfer driven pinion rear bearing
(outer race) to the case.
SST: 09950-60010
09951-00620
SST: 09950-70010
09951-07150
NO ...