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.Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1) (P2195,P2196)
DESCRIPTION
HINT:
Although the DTC titles say oxygen sensor, these DTCs relate to the
air fuel ratio sensor.
Sensor 1 refers to the sensor mounted in front of the three-way catalytic
converter and located near the engine assembly.
...
Precaution
PRECAUTION
1. PRECAUTION FOR VEHICLE WITH SRS AIRBAG AND SEAT BELT PRETENSIONER
(a) Some operations in this section may affect the SRS airbags. Prior to performing
the corresponding operations, read the precautions regarding the SRS airbags (See
page ). ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT CHARCOAL CANISTER ASSEMBLY
(a) Visually check the charcoal canister assembly.
(1) Visually check the charcoal canister assembly for cracks or damage.
If cracks or damage are found, replace the charcoal canister ...