VW T4 Immobilizer 2.5L Benzil AET / TDI ACV
TDI 2.5L 75KW ACV year 1997
- 6PIN! unit Siemens 5WK4 678 - 1H0 953 257 B / 1H0953257B
- coil Siemens 5WK4 768 1H0 953 254 E/ 1H0953254E
Immo unit Pinout
pin positions
(123|
(456|
| pin | wire color | type | note |
|---|---|---|---|
| T6/1 | black | 12V+ | 15 - ignition on |
| T6/2 | grey/white | fuel shut-off valve | unit on the Bosch fuel pump |
| T6/3 | grey/white | KLINE | diag port |
| T6/4 | brown | 12V- | ground |
| T6/6 | brown | 12V- | ground |
Benzil 2.5L 85KW AET year 1999 (Simos)
- 8PIN! unit Siemens 5WK4 7740 - 6H0 953 257 A / 6H0953257A
- coil Siemens 6H0 953 254 / 6H0953254
Immo unit Pinout
pin positions
|2468| |1357| | |
| pin | wire color | type | note |
|---|---|---|---|
| T6/1 | red | 12V+ | terminal 30 always on |
| T6/2 | black | 12V+ | terminal 15 - ignition on |
| T6/4 | brown | 12V- | ground |
| T6/5 | brown | 12V- | ground |
| T6/8 | grey/white | KLINE | diag port |