S2000 L4-2.2L (2004)
Alarm System Transponder: Service and Repair
Immobilizer Receiver Unit Replacement
1. Remove the steering column covers.
2. Disconnect the 5P connector (A) from the immobilizer receiver unit (B).
3. Disconnect the 7P connector (C) from the ignition key switch.
4. Remove the four screws, and remove the immobilizer receiver unit from the ignition key cylinder.
5. Install in the reverse order of removal.
6. After replacement, make sure the immobilizer indicator light blinks correctly.
NOTE: The ECM does not need to be reprogrammed if only the receiver has been replaced.