Service Manual — page 656 of 715

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16-96 ELECTRICAL SYSTEM
Immobilizer System (Equipped Models)

• Replace   the ECU (see ECU Removal/Installation in the
  Fuel System (DFI) chapter).
• Insert the current registered ignition key into the ignition
  switch and turn it to “ON.”
○If there is any problem in the registration, the red warning
  indicator light (LED) and immobilizer warning indicator [A]
  blink to display the collation error.
    Immobilizer Amplifier Failure

   Registered Ignition Key Collation Error

•○The registered ignition key is registered in the ECU.
  The red warning indicator light (LED) and immobilizer
  warning indicator [A] blink 1 time and stops for 1 second
  and the repeats this cycle to indicate successful registra-
  tion of the registered ignition key.

•○Turn to “OFF” the registered ignition key and remove it.
  The red warning indicator light (LED) and immobilizer
  warning indicator [A] blink to display the registration
  mode.
                            NOTE
  ○Insert next key and turn it to “ON” within 15 seconds af-
   ter previous key is turned to “OFF” and removed other-
   wise registration mode will be ended and the red warn-
   ing indicator light (LED) goes off.
  ○To return to the registration mode start the registered
   ignition key verification procedure. This applies to all
   ignition key registration.

• Insert the other remaining registered ignition key to the
  ignition switch and turn it to “ON.”
                            NOTE
  ○Keep the other ignition keys away from the immobilizer
    antenna.