Presentation
The second generation engine immobiliser (ADC2) immobilises the vehicle by electronically locking the engine management ECU
- The injection and ignition systems do not operate (petrol engines)
- The injection and injection advance systems do not operate (diesel engines)
| reference | designation | electrical mark |
|---|
| 1 | ignition key with integral transponder | - |
| 2 | transponder coil | 8209 |
| "a" | ignition key transponder | - |
Confidential card
| reference | designation |
|---|
| 3 | customer's confidential card |
| "b" | confidential code (Proxia diagnostic tools). customer access code (Lexia diagnostic tools) |
General over-view
- Single arrow: wire connection
- Triple arrow: multiplexed connection
- Broken arrow: hertzian link
| A | ignition key with integral transponder |
|---|
| BSI1 | built-in systems interface |
| CV00 | switch module at the steering wheel |
| 0004 | instrument panel |
| 1320 | engine ECU |
| 6232 | high frequency transmitter |
| 8209 | transponder coil |
| no. of link | signal | nature of signal | transmitter/receiver |
|---|
| 4 | transmission of part of the ignition key transponder's identifier. if the ignition key identifier is recognised, the BSI1 performs the customer request (locking or unlocking of the doors) | high frequency link | high frequency transmitter / switch module under the steering wheel |
| 5 | (transmission of the ignition key transponder identifier). transmission of the ignition key transponder's authentication calculation | Body CAN | switch module under the steering wheel / BSI1 |
| 6 | transmission of the "BSI1" key | CAN | BSI1 / engine ECU |
| 7 | transmission of the random "seed" number (after the ignition key transponder authentication procedure). unlocking information to the engine management ECU | CAN | engine ECU / BSI1 |
| 8 | transmission of the information for awakening the engine ECU (awakening by remote control - RCD line) | analogue | BSI1 / engine ECU |
| 9 | transponder fault warning lamp lighting request | COMFORT CAN | BSI1 / instrument panel |
| 10 | ignition key identification request. ignition key authentication request (ignition key transponder password and random number) | Body CAN | BSI1 / switch module under the steering wheel |
| 11 | ignition key identification request. ignition key authentication request | analogue | switch module under the steering wheel / transponder winding |
| 12 | ignition key identification request. ignition key authentication request | high frequency link | transponder winding / ignition key with integral transponder |
| 13 | transmission of the ignition key identifier. transmission of the ignition key authentication calculation | high frequency link | ignition key with integral transponder / transponder winding |
| 14 | transmission of the ignition key identifier. transmission of the ignition key authentication calculation | analogue | transponder winding / switch module under the steering wheel |
