The following operations can be performed simply by carrying the electronic key on your person, for example in your pocket.
(The driver should always carry the electronic key.)

1. Locks and unlocks the doors 2. Locks and unlocks the doors 3. Starts and stops the engine
Unlocking and locking the doorsProblem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) The transponder key ECU assembly controls the vehicle's immobiliser system
functions. Immobiliser system data and Diagnostic Trouble Code (DTC) can be read
through the vehicle's Data Link Connector 3 (DLC3).
I ...
Transmitter ID not Registered (C2171/71)
DESCRIPTION
Each tire pressure warning valve and transmitter ID is registered to the tire
pressure warning ECU.
When the ECU detects a transmitter ID code not registered in the ECU, a DTC is
output.
DTC No.
DTC Detection Condition
...