AD80.35-D-3006A | Radio frequency locking (RFL) diagnosis operational check | 23.7.97 |
MODEL 901, 902, 903, 904 with ENGINE 111
with CODE (FZ1) Central locking with radio remote control
with CODE (FZ7) Immobilizer
Radio frequency central locking (FFB) diagnosis, previous knowledge | |||
| Function check without HHT | ||
Battery voltage > 11 Volts | |||
Fuses in order | |||
Central locking and anti-theft alarm system in order | |||
Transmitter key batteries in order | |||
Transmitter signal synchronized | |||
Key removed from steering column | |||
All doors closed | |||
Central locking unlocked | |||
HHT not connected to diagnostic socket | |||
Function check | |||
Scope of test | Operation / requirement | Specified value | Possible cause / remedy |
Locking vehicle with radio frequency central locking | Fold in transmitter folding key | Vehicle locked | |
Unlocking vehicle with radio frequency central locking | Unfold transmitter folding key | Vehicle unlocked | |
Activation of immobilizer | Lock vehicle from inside with mechanical key. Ignition "ON", wait 5 s and actuate starter | Immobilizer indicator lamp illuminated constantly, engine does not start |
Actual values engine control module |
Deactivation of immobilizer | Fold in transmitter folding key and unfold again Ignition "ON" and actuate starter | Immobilizer indicator lamp goes out after approx. 2 s |
Actual values engine control module |