AD80.35-S-3008A | Immobilizer with transponder (IMM), diagnosis, function check | 12.8.97 |
MODEL 638 up to 28.2.99 with CODE (FZ7) Immobilizer with transponder
Immobilizer with transponder (WSP), diagnosis previous knowledge | |||
Notes on operating radio frequency remote control, WSP | |||
a | Battery voltage 11-14 V | ||
b | Fuses F73 and F74 in proper order | ||
c | Central locking or convenience locking system and, if installed, ATA in order | ||
d | Batteries in transmitter key in order | ||
e | Transmitter signal synchronized | ||
f | Key removed from steering lock | ||
g | Doors and load compartment door closed | ||
h | Central locking or convenience locking system unlocked | ||
i | HHT not connected | ||
J | Drive authorization system shut-off valve (DSV) or engine control unit (PMS) OK | ||
Operational check | |||
Scope of test | Operation/requirement | Specification | Possible cause / Remedy |
Lock vehicle with radio frequency remote control | Fold in mechanical key on transmitter key. | Vehicle fully locked | |
Unlock vehicle with radio frequency remote control | Fold out mechanical key on transmitter key. | Vehicle unlocked | |
Activate the immobilizer | Unplug transponder connector X160, operate starter | Immobilizer malfunction indicator lamp continuously illuminated, engine won't start |
Fault memory and actual-value for engine control unit |
Deactivate the immobilizer | Ignition ON and operate starter | Immobilizer malfunction indicator lamp extinguishes after 2 s (Engine 111) or in accordance with the preheating time (Engine 601), engine starts |
Fault memory and actual-value for engine control unit |