82D-4V1 MR-376-X76-82D000$020.mif
82D
UCH
Vdiag No.: 0F
Electric central door locking:
Central locking and unlocking of the side door is dependent on the presence of the fuel tank cap sensor.
The doors can be centrally locked and unlocked using the CPE* button.
Luggage compartment lock:
The luggage compartment locking and unlocking command is provided by the UCH.
Front driver and passenger locks:
The front driver and passenger door locking and unlocking command is provided by the UCH.
Side door lock:
Central locking and unlocking of the side door is carried out by the UCH.
Transponder and radiofrequency key:
–the transponder in the key sends the following signals to the UCH:
– Key identifier signal.
– Immobiliser code signal.
The transponder is also involved in the Immobiliser function.
The radiofrequency key is used to transmit the key identifier information after pressing the button once. A
radiofrequency wave is sent to the UCH to carry out the user's request if the key is allocated to the vehicle (locking
or unlocking the doors and the tailgate).
Injection
When the authentication messages with the UCH have been exchanged, the injection can be unlocked and
authorise the starting of the engine.
The injection system is unlocked and engine starting is authorised as soon as the UCH has authenticated the
injection computer.
Electric window:
The driver has a one-touch electric window: a short press of the lowering button gives one-touch window lowering.
Another press stops the initial movement.
The passenger has a standard electric window.
CPE*: electric central door locking.
ACCESS - SECURITY
Fault finding – Role of components
82D-6V1 MR-376-X76-82D000$030.mif
ACCESS - SECURITY
Fault finding – Operating diagram82D
UCH
Vdiag No.: 0F
Central door locking
• List of system components and associated component codes:
Component
codeComponent name
645Passenger compartment electrical control unit
123Central door locking switch
260Passenger compartment fuse box and relay
140Driver's door central locking
141Passenger's door central locking
142Luggage compartment lid central locking
1200Side door locking ECU (depending on version)
1199Fuel cap presence sensor (depending on version)
