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.How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the smart key system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
Engine Stall History (P1603,P1605)
DESCRIPTION
P1603
After starting the engine, this DTC is stored when the engine stops without the
ignition switch being operated.
Using the Techstream, the conditions present when the DTC was stored can be confirmed
by referring to the freeze frame data ...
Air Inlet Damper Control Servo Motor Circuit (B1442/42)
DESCRIPTION
The air inlet control servo motor sends pulse signals to indicate the damper
position to the A/C amplifier. The A/C amplifier activates the motor (normal or
reverse) based on these signals to move the air inlet mode selection air inlet control ...