Camry (Jan. 2003 & Later Production) & 4Runner

NOTE: All key codes are erased except for master key which is used to ensure erasure operation. In order to use a key for which the code has been erased, it will be necessary to register the key code again.

NOTE: Registration operation will be cancelled if each step is not completed within the specified time.

Connect hand-held tester to data link connector No. 3. When using hand-held tester, more detailed procedures may be displayed on tester while performing this procedure.
Ensure SECURITY indicator light is flashing until master key is inserted in key lock cylinder. SECURITY indicator light will turn off. SECURITY indicator light is displayed as a vehicle icon near the center of the tachometer. Turn ignition on.
Within 120 seconds of turning ignition on, use hand-held tester to select the menus in the following order:
1. Select vehicle model
2. Select IMMOBILIZER
3. Select ID UTILITY
4. Select TRANSP CODE ERS
With completion of hand-held tester operation, SECURITY indicator light will turn on for 1 second and then turn off. Within 10 seconds after the hand-held tester indicates to, remove the master key.
After the master key is removed from the ignition lock cylinder, SECURITY light will begin to blink signaling that the immobilizer system is operating normally.