AD80.35-S-3006A | Radio frequency locking (RFL) diagnosis operational check | 22.8.97 |
MODEL 638
with CODE (FZ1) Central locking system with remote control
with CODE (FZ3) Convenience locking system
| Radio frequency locking system (RFL), arrangement of components | ||
Radio frequency locking system (RFL), diagnosis previous knowledge | |||
Radio frequency locking system (RFL) diagnosis notes | |||
a | Check operation of central locking system/convenience locking system and ATA (if present) | ||
b | Check RFL transmitter key batteries | ||
c | Battery voltage 11-14 V | ||
d | Fuses F73 and F74 O.K. | ||
e | Central locking system/convenience locking system and ATA (if present) O.K. | ||
f | Transmitter key batteries O.K. | ||
g | Transmit signal synchronized | ||
h | Key removed from ignition | ||
i | Doors and tailgate closed | ||
j | Central locking system/convenience locking system unlocked | ||
k | HHT disconnected | ||
Operational monitoring | |||
Scope of test | Operation / requirement | Specified value | Possible cause / remedy |
Lock vehicle using radio frequency locking system | Close hinged key on transmitter | Vehicle completely locked | |
Unlock vehicle using radio frequency locking system | Open hinged key on transmitter | Vehicle completely unlocked | |
Activate immobilizer | At least one door open. Close hinged key on transmitter. Central locking system locked and unlocked ("door open" message). Open hinged key out of range. Ignition ON, wait 5 sec. and operate starter. | Immobilizer monitoring lamp permanently on, engine won't start |
Engine control module fault memory and actual values |
Deactivate immobilizer | Close hinged key on transmitter and open it again. Ignition ON and operate starter. | Immobilizer monitoring lamp extinguishes after 2 sec. (engine 111) or depending on pre-glow time (engine 601), engine starts. |
Engine control module fault memory and actual values |