System Description

The following pattern will be used: "Operation" indicates user operation using the smart key system. "Expected operation of the vehicle" indicates how a known good vehicle will react in accordance with each operation. "Suspected Area/Diagnosis" indicates suspected malfunctioning areas and tips for each diagnosis if the vehicle did not react as expected.

1. Example: Operation No.

   Operation	-
   Expected operation of the vehicle	-
   Waveform or Output Value	-

   Suspected Area	Diagnosis
   -	-

1. DTC numbers and ECU Data Lists of the smart key system can be checked using the Techstream.
2. Check for DTCs using the following procedure. If any DTCs are output, diagnose those DTCs first.
   1. Connect the Techstream to the DLC3.
   2. Turn the engine switch on (IG).
   3. Enter the following menus: Body Electrical / Smart Key, Power Source Control or Starting Control / Trouble Codes.
3. If the engine switch cannot be turned on (IG), follow the procedure below to start communication between the Techstream and vehicle.
   1. Connect the Techstream to the DLC3 and turn a courtesy light switch on and off at 1.5-second intervals until communication between the Techstream and vehicle begins (the Techstream screen changes when communication begins).
4. If cancel is selected for the smart key system customize setting, cancel the smart key cancel setting. Refer to CUSTOMIZE PARAMETERS .