AD80.35-D-3006C | Radio frequency locking (RFL) diagnosis operational check | 28.7.97 |
MODEL 901, 902, 903, 904 with ENGINE 602
with CODE (FZ1) Central locking with remote control
with CODE (FZ7) Immobilizer
Radio frequency central locking (FFB) diagnosis, previous knowledge | |||
| Battery voltage > 11 Volts | ||
| Fuses in order | ||
| Central locking and anti-theft alarm system in order | ||
| Transmitter key battery in order | ||
| Transmission signal synchronized | ||
| Key in steering lock removed | ||
| 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 key flap on transmitter | Vehicle locked | |
Unlocking vehicle with radio frequency central locking | Fold out key flap on transmitter | Vehicle unlocked | |
Activation of immobilizer | Lock vehicle from inside with the mechanical key Ignition "ON", wait 5 s and actuate starter | Immobilizer indicator lamp constantly illuminated, engine does not start |
Actual value Engine control module |
Deactivation of immobilizer | Fold in key flap on transmitter and fold out again Ignition: "ON" and actuate starter | Immobilizer indicator lamp goes out corresponding with pre-glow time, engine starts |
Actual value Engine control module |