No.5 Resetting Procedure for the Immobilizer System when Replacing the related parts (PCM, Keyless Control Module, Instrument cluster, or Steering Lock Unit): Notes

WARNING: This page is about a different car, the 2007 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

Condition

When the keyless control module is replaced
- Have one or more card keys to be programmed after the replacement.
- Have two or more keys to be programmed after the replacement.
When the keyless control module is not to be replaced

Have one or more card keys to be programmed.
Have two or more keys to be programmed after the replacement.

CAUTION:

Perform the procedures in the following order: "Ignition Key Code Erase", "Program Additional card key", "Steering lock unit programming", and "Program additional ignition key". If there is a failure in the programming, the engine may not be started.
When replacing only the PCM, start from Step 2. Key 1 in the procedure can be any valid key.
Perform the "card key programming procedure" in Step 11 only when the keyless control module is replaced.
Perform the "steering lock unit programming procedure" in Step 12 only when either the keyless control module or steering lock unit is replaced.