Opening trunk lid with interior switch, function - GF80.20-P-3012S

MODEL 215, 220 

With the remote trunk release switch (S20/1s6)  the trunk lid can be opened from the vehicle passenger compartment.

Function prerequisites 

The function of the remote trunk release switch (S20/1s6) is enabled by the left front door control module (N69/1) 

• by actuation of the emergency unlocking function 
• by unlocking the vehicle  with the remote control key,
• by unlocking the vehicle  with the lock switches , only),
• by unlocking the vehicle  by opening a door if it was locked automatically  previously or with the switch for the interior central locking switch (N72/1s6),
• by inserting the remote control key into the ignition after locking with the remote control key.

In the above mentioned cases the left front door control module (N69/1)  receives a corresponding CAN message.

The function of the switch is disabled by the left front door control module (N69/1)  when

• the automatic locking  feature is actuated,
• the vehicle is locked with the remote control key or with the switch for the remote trunk release switch (S20/1s6) 
• the vehicle is locked with the lock switches ( , only).

Function sequence 

Actuation of the remote trunk release switch (S20/1s6) is recognized by the left front door control module (N69/1). If the function of the switch is released  , the left front door control module (N69/1) sends a command to open the trunk lid to the PSE control module (combined) (A37)  via the CAN bus. The PSE control module (combined) (A37)  opens the trunk lid pneumatically  if the trunk lid lock is not secured with the lock cylinder in the 90° position.