Cars are equipped with security systems (SRS) including safety cushions and natyazhitel of seat belts. Before work about sensors of blow, the dashboard and a steering column disconnect at first negative, and then positive plugs from the rechargeable battery and wait 2 min. It will exclude unauthorized disclosure of safety cushions and operation of natyazhitel of seat belts which can put injuries.
You make check of a sound signal as follows.
Check integrity of safety locks in an electric chain of a sound signal.
Disconnect the electric socket from a sound signal.
Give additional wires tension from the rechargeable battery to a sound signal. If the signal does not work, replace it.
If the sound signal works, check tension in the electric socket when pressing the button of inclusion of a sound signal. If tension is present at the socket, check connection of a sound signal with "weight".
In the absence of tension on the electric socket check the relay of a sound signal.
If the relay is serviceable, check a chain of giving of tension to contacts the relay and a chain of management of the relay. In the absence of tension check an electric chain between the relay and the block of safety locks for the relay.
If tension moves to the relay, press the button of a sound signal and check an electric chain between the relay and the button. If the electric chain is serviceable, replace the button of inclusion of a sound signal.
You make replacement of a sound signal as follows.
Remove a front bumper.
Fig. 15.52. Arrangement of bolts of fastening of sound signals
Disconnect the electric socket, turn out a bolt and remove a sound signal (
You make installation of a sound signal in the sequence, the return to removal.