TOYOTA HIGHLANDER 2001 Service Repair Manual

Remove the master key.
Insert the already registered master key in the ignition key cylinder
and turn the ignition switch ON.
After the above operation, proceed to the next step in accordance
with the tester screen's instructions.
Within 120 seconds
Within 10 seconds
after the tester
indicates
Hand-held tester operation:
END
OFF
BLINKING ON for 1 second
then OFF
START
Erasing Key Code
Security Indicator
BLINKING
(Until the first
key is inserted.)
1. Select HIGHLANDER from the menu.
2. Select IMMOBILISER.
3. Select ID UTILITY.
4. Select TRANSP CODE ERS.
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2005 HIGHLANDER REPAIR MANUAL (RM1144U)
4. ERASURE OF KEY CODE
(a) Erase key codes using the hand-held tester.
HINT:

All key codes are erased except for the master key, which is used for erasing the key codes.
In order to use a key whose code has been erased, a new key code must be registered.

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

A brief outline of procedures for key code registration is shown on this page. For more detailed informa-
tion, please refer to the hand-held tester screen's instructions.

When the immobilizer system is operating normally and the key is pulled out, the security indicator
blinks continuously.

- THEFT DETERRENT & DOOR LOCKENGINE IMMOBILIZER SYSTEM
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2005 HIGHLANDER REPAIR MANUAL (RM1144U)
5. ECU COMMUNICATION ID REGISTRATION
NOTICE:

The ECU communication ID should be registered when the transponder key ECU and/or the
ECM is replaced in order to match the ECM COMMUNICATION ID.

The engine cannot be started unless the ECM COMMUNICATION ID matches.
(a) Register the ECU communication ID.
(1) Using SST, connect terminals TC and CG of the DLC3.
(2) Turn the ignition switch ON (do not start the engine) and leave it as is for 30 minutes.
(3) Turn the ignition switch OFF and disconnect terminals TC and CG.
(4) Check that the engine starts.