- an opening antenna in the outside handle of each door,
- opening antenna in the rear bumper,
- presence sensor in the outside handle of each door.
Pic. 7.44. Layout of door opening antennas: 1 - opening antennas located in the outer door handles; 2 - opening antenna located in the rear bumper; 3 - engine start antennas
Note. The engine start antennas have no effect on unlocking the vehicle. On the contrary, it is not possible to lock the car using the switches «locking», located on the outer handles if the card is in the engine start area.
Note. Movement sensors are built into the presence sensors.
Removing antennas
To work in mode «free hands» outside door handles are equipped with:
- presence sensors to recognize the user's hand in combination with a reflector mounted on the handle;
- lock button;
- opening antenna built into the handle (pic. 7.45).
Pic. 7.45. Door opening system components: 1 - presence sensors; 2 - lock button; 3 - opening antenna
Note. Only vehicles equipped with «free hands», have a lock switch.
Note. If the car has not been used for approximately 72 hours, the presence sensors are disabled. Detection of the command to unlock, in this case, is carried out by a handle movement sensor. Presence sensor and handle movement sensor are assembled.
Removing the rear antenna
Pic. 7.46. The appearance of the rear antenna
Remove the rear bumper.
Pic. 7.47. Removing the rear antenna: 1 - connector
Disconnect the antenna connector and remove it (pic. 7.47).
Installation
Installation is made in an order, the return to removal.
Pic. 7.48. Opening antenna connectors: A - connection contacts; 2 – connector 1; 3 - connector 2
Opening antenna connection
Presence and movement sensors (connector 2)
Opening aerial and locking switch (connector 3)
Note. The locking switch is checked with an ohmmeter by connecting it to pins 3 and 4.
Note. The resistance value of the opening antenna is approximately 0.2 ohm.