MULTIMEDIA
Diagnostic - Fault finding chart86C
86C-79
NAV 4R
Program no.: 0000
Vdiag No.: 24
ALP 12 No radio and/or CD sound
NOTESOnly check the customer complaint after performing a full check with the diagnostic
tool.
Ensure there are no present or stored faults.
Use the Wiring Diagram Technical Note for the vehicle concerned.
The message MUTE is displayed on the radio panel.
No
Check that status ET036 MUTE button displays
Released (see Conformity check).
Check the FADER setting:
In the AUDIO settings menu (Audio settings
button). Select the "audio" and "fader" menus;
Set the fader to "9 F 9" (for the test).
Has the fault been solved?
No
Run command AC004 Speaker test (see Dealing
with commands).
Has the fault been solved?
No Yes
Contact the Techline.
End of fault finding.
YesIs the vehicle equipped with PRETEL?
No Yes
Disconnect the radio/
telephone combined
control.
Has the fault been
solved?
No Yes
Check that the voltage on connection
107D (black ISOconnector)is0V.
Yes No
Contact the
Techline.
Check the radio/
telephone
combined control
If the connection is faulty and there is a repair
procedure (see Technical Note 6015A,
Electrical wiring repair, Wiring: Precautions
for repair), repair the wiring, otherwise replace it.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
NAV4R_V24_ALP12
