Page 79 of 86

MULTIMEDIA
Diagnostic - Fault finding chart86C
86C-78
NAV 4R
Program no.: 0000
Vdiag No.: 24
ALP 11 The 6 CD changer does not work
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.
Disconnect then reconnect component 1272.
Does the CD changer request its code?
("CD 0000")
No
Check the condition and connection of the connector of components 261 (Trafic: 662) and 1272.
If the connector is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Has the fault been solved?
No
With the radio switched on, check for + battery feed
on connection 34BC and + accessories feed on
connection 34BD of the connector of
component 1272.
Are the + battery and + accessories feeds
present?
Yes
Contact the Techline.
YesRefer to ALP 10 The screen displays
"CD0000".
NoCheck the continuity, insulation and
the absence of interference resistance
on connections 34BC, 34BL and 34BD
between components 261 (Trafic: 662)
and 1272.
Yes Are the connections correct?
No
If the connection or connections are 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_ALP11
Page 80 of 86

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
Page 85 of 86

MULTIMEDIA
Diagnostic - Fault finding chart86C
86C-84
NAV 4R
Program no.: 0000
Vdiag No.: 24
ALP 17 No traffic information messages on the screen
NOTESOnly check the customer complaint after performing a full check with the diagnostic
tool.
Place the vehicle in an open area for 5 minutes with the system switched on.
TMC road information is disseminated via the FM
band on the radio. The TMC pictogram (in the
bottom right of the screen, displays the service name
or "TMC" by default) must be green for traffic
information to be received.
Is the TMC pictogram green?
Yes
The system is operating correctly, but the TMC*
service is not supplying traffic information currently,
or for the customer's geographical area (check in the
"local traffic info" list in the "Info" menu).
End of fault finding.
NoIs the radio reception good quality?
Yes No
No TMC service can be decoded in the
geographical area:
–Either the vehicle is in a reception
dead spot,
–or the country in question does not
offer a service decodable by the
system.
Apply ALP 3 Poor guidance/Poor location/
GPS fault.
*TMC: Traffic Message Channel
AFTER REPAIRCarry out a complete check with the diagnostic tool.
NAV4R_V24_ALP17
Page 86 of 86
MULTIMEDIA
Diagnostic - Fault finding chart86C
86C-85
NAV 4R
Program no.: 0000
Vdiag No.: 24
ALP 18 The display on the screen stays fixed
NOTESOnly check the customer complaint after performing a full check with the diagnostic
tool.
Cut the + accessories feed.
(for at least 1 minute) then reactivate it.
Has the fault been solved?
Yes No
End of fault finding.
In the event of an intermittent fault, contact the
Techline.
Contact the Techline.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
NAV4R_V24_ALP18