Audio system

After-sales operations: audio system

~2min read

READING FAULTS

The following faults can be read using the diagnostic tool:

  • no communication with the multifunction screen,
  • car radio malfunction,
  • antenna input fault.

READING PARAMETERS

The following parameters can be read using the diagnostic tool:

PARAMETER PARAMETER STATUS PARAMETER DEFINITION
Vehicle identification number VIN code Reads the vehicle's VIN code
Car radio identification by VIN code Not stored

Stored

Checks whether the VIN code is stored in the car radio
Geographic area of use Western Europe.

Japan.

Latin America.

Asia.

India.

Eastern Europe.

ARABIA

Checks whether the car radio is configured for the correct geographic area
BSI multiplexed Absent.

Present

Checks whether the car radio is part of the multiplexed network
Fader and rear speakers Inactive.

Active

Checks whether the car radio is configured for 2 or 4 audio outputs.
AM band Inactive.

Active

Checks whether the radio is configured for an electric vehicle
Speed-sensitive volume Inactive.

Active

Checks whether the radio volume is linked to vehicle speed
Audio output configuration Speaker output.

Line out output

Checks the radio output signal format (with or without amplifier)
Volume level correction law Law No. 0

…

Law No. 15

Checks the speed-sensitive volume table in use
Illumination table 0x00

…

0 xFF

Checks the illumination level of the radio buttons
Signal quality 0

15

Checks the signal quality using an index from 0 to 15
Signal level 0

15

Checks the signal reception level using an index from 0 to 15

ACTUATOR TEST

The following tests can be performed using the diagnostic tool:

  • upward frequency scan,
  • repeated audio signal output on the front left audio output,
  • repeated audio signal output on the front right audio output,
  • repeated audio signal output on the rear left audio output,
  • repeated audio signal output on the rear right audio output,
  • illumination of the radio front panel.

CODING

The following parameters can be coded using the diagnostic tool:

  • VIN code configuration,
  • tuner geographic area configuration,
  • activation of speed-sensitive volume,
  • audio output format configuration,
  • active output count configuration,
  • AM band activation / deactivation,
  • presence of a BSI and a VAN Comfort network,
  • volume level correction law,
  • front panel illumination table.

OPERATIONS TO PERFORM

The following operations are to be performed using the diagnostic tool:

Operations a realiser

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