Note! | Up to 08.97: a first generation immobilizer is installed in the Alhambra. |
| Communications between the immobilizer control unit and the engine control unit take place on the W-wire. |
| From 09.97 to 05.00 second generation immobilizer is installed in Alhambra. |
| Communications between the immobilizer control unit and the engine control unit take place on the W-wire. |
| From 06.00: a third generation immobilizer is installed in the Alhambra. One of two versions is installed depending on the type of engine. |
| On one version the immobilizer control unit and engine control unit communicate via data-bus, on the other version this communication is via W-wire. |
| The immobilizer consist of: |
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| An immobilizer control unit. |
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| An adapted (matched) engine control unit. |
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| A reader coil on ignition lock. |
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| Adapted (matched) ignition keys with electronics (transponder and response reader memory). |
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| The immobilizer warning lamp -K117-. |
| Fault detection and fault display: |
| The immobilizer is equipped with self-diagnosis, which makes fault finding easier. |
| Vehicles up to 05.00: for fault finding, use the “self-diagnosis” and the vehicle diagnosis, testing and information system -VAS 5051A- in “Guided fault finding” mode. |
| Vehicles from 06.00: for fault finding, use vehicle diagnosis, testing and information system -VAS 5051A- in “Guided fault finding” mode. |
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