Disconnect a negative wire from the rechargeable battery.

Remove the module of a safety cushion of the driver.

Disconnect the socket of the switch of control of the audio system.

You will check resistance and a continuity of a chain between conclusions of the switch of control of the audio system.

If resistance differs from specified in the table, replace the switch of management of sound system.

Fig. 7.87. The scheme of check of resistance and a continuity of a chain between conclusions of the switch of control of the audio system