Page 61 of 86

MULTIMEDIA
Fault finding - Dealing with commands
86C
86C-60
NAV 4R
Program no.: 0000
Vdiag No.: 24
AC004
CONTINUED 2
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.
If these tests are correct but one or more speakers do not work, replace the faulty speaker or speakers.
Mégane II ph2:
–Front tweeter (see MR 364 mechanical, 86A radio, Tweeter speaker: Removal - Refitting)
–Front speakers (see MR 364 mechanical, 86A radio, Front speakers: Removal - Refitting)
–Rear speakers (see MR 364 mechanical, 86A radio, Rear speakers: Removal - Refitting)
Laguna II ph2:
–Tweeter (see MR 395 mechanical, 86A radio, Tweeter speaker: Removal - Refitting)
–Front speakers (see MR 395 mechanical, 86A radio, Front speakers: Removal - Refitting)
–Rear speakers (see MR 395 mechanical, 86A radio, Rear speakers: Removal - Refitting)
Scénic II ph2:
–Front tweeter (see MR 370 mechanical, 86A radio, Tweeter speaker: Removal - Refitting)
–Front speakers (see MR 370 mechanical, 86A radio, Front speakers: Removal - Refitting)
–Rear speakers (see MR 370 mechanical, 86A radio, Rear speakers: Removal - Refitting)
Trafic II ph1 and ph2:
–Tweeter (see MR 408 mechanical, 86A radio, Tweeter speaker: Removal - Refitting)
–Front speakers (see MR 408 mechanical, 86A radio, Front speakers: Removal - Refitting)
–Rear speakers (see MR 408 mechanical, 86A radio, Rear speakers: Removal - Refitting)
Master ph2 and ph3:
–Front speakers (see MR 377 mechanical, 86A radio, Front speakers: Removal - Refitting)
–Rear speakers (see MR 377 mechanical, 86A radio, Rear speakers: Removal - Refitting)
Master propulsion ph2:
–Front speakers (see Technical Note 3818A, 86A radio, Front speakers: Removal - Refitting)
–Rear speakers (see Technical Note 3818A, 86A radio, Rear speakers: Removal - Refitting)
If the fault is still present, contact the Techline.
AFTER REPAIRCarry out another fault finding check on the system.
Page 62 of 86
MULTIMEDIA
Fault finding - Customer complaints
86C
86C-61
NAV 4R
Program no.: 0000
Vdiag No.: 24
Fault finding - Customer complaints
NOTESOnly consult the customer complaints after performing a complete check with
the diagnostic tool.
NO DIALOGUE WITH THE COMPUTER ALP 1
THE SCREEN STAYS BLACKALP 2
POOR GUIDANCE/POOR LOCATION/GPS FAULT ALP 3
POOR RADIO RECEPTIONALP 4
CD READ FAULTALP 5
STUCK ON MESSAGE "LOADING GENERAL MAP" ALP 6
THE SYSTEM EMITS BLEEPSALP 7
THE RADIO DOES NOT SWITCH ON AUTOMATICALLY OR GOES OFF
AFTER 20 MINUTESALP 8
POOR/NO TEMPERATURE DISPLAY ALP 9
THE SCREEN DISPLAYS "CD0000" ALP 10
Page 63 of 86
MULTIMEDIA
Fault finding - Customer complaints
86C
86C-62
NAV 4R
Program no.: 0000
Vdiag No.: 24
NOTESOnly consult the customer complaints after performing a complete check with
the diagnostic tool.
THE 6 CD CHANGER DOES NOT WORK ALP 11
NO RADIO AND/OR CD SOUND ALP 12
SATELLITE CONTROLALP 13
FRONT PANEL BUTTON FAULT ALP 14
NO NAVIGATION VOICE MESSAGES ALP 15
THE VOLUME DOES NOT INCREASE WITH THE VEHICLE SPEED ALP 16
NO TRAFFIC INFORMATION MESSAGES APPEAR ON THE SCREEN ALP 17
THE DISPLAY ON THE SCREEN STAYS FROZEN ALP 18
Page 67 of 86
MULTIMEDIA
Diagnostic - Fault finding chart86C
86C-66
NAV 4R
Program no.: 0000
Vdiag No.: 24
ALP 2
CONTINUED
Check that the radio display appears on the
instrument panel dot matrix display (only on
Mégane).
No Yes
Check for + 12 V on connections 46M and 46N
and earth on connections 46BG, 46BH and
46BK of the connector of component 1127.
Are these tests correct?
Yes
Cut the + accessories feed (for at least 1 minute)
then re-activate it.
Is the fault still present?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.
No
NoEnd of fault finding.
In the event of an intermittent
fault, contact the Techline.
YesContact the Techline.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
Page 70 of 86

MULTIMEDIA
Diagnostic - Fault finding chart86C
86C-69
NAV 4R
Program no.: 0000
Vdiag No.: 24
ALP 4 Poor radio reception
NOTESOnly check the customer complaint after performing a full check with the diagnostic
tool.
Use the Wiring Diagram Technical Note for the vehicle concerned.
Is the radio field intensity appropriate (see Interpretation of parameter PR010 Radio field
intensity)?Yes
No
Check the condition and connection of the connectors of component 261 (Trafic: 662) and
component 886.
Using the universal bornier, check the insulation, continuity and the absence of
interference resistance on the following connections:
●TB13 connection code.
●34AN connection code.
Between components 261 (commercial vehicle: 662) and 886.
Also check the feed to component 886 on connection 34AM (12 V ±± ± ±
1 V).
Are the connections faulty?
Yes 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.
Has the fault been solved?
Yes No
End of fault finding.
Contact the Techline.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
NAV4R_V24_ALP4
Page 71 of 86
MULTIMEDIA
Diagnostic - Fault finding chart86C
86C-70
NAV 4R
Program no.: 0000
Vdiag No.: 24
ALP 5 CD read fault
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.
Is the fault related to CD reading by the radio/
navigation computer or by the 6CD changer?
By the radio/navigation computer By the 6CD changer
Is the CD an MP3 CD?
Yes
Check that component 261 (commercial vehicle:
662) is compatible with MP3 CDs (see "MP3" logo
on keypad).
Yes
Try with another MP3 CD.
Has the fault disappeared?
Yes
The faulty CD is in poor condition or is not
compatible (only MP3 format is compatible).
No
NoEnd of fault finding.
NoContact the Techline.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
NAV4R_V24_ALP5
Page 76 of 86
MULTIMEDIA
Diagnostic - Fault finding chart86C
86C-75
NAV 4R
Program no.: 0000
Vdiag No.: 24
ALP 8The radio does not switch on automatically
or switches off after 20 minutes
NOTESOnly check the customer complaint after performing a full check with the diagnostic
tool.
Ensure there are no present or stored faults.
Do not apply the following fault finding procedure to the Laguna II ph2.
Use the Wiring Diagram Technical Note for the vehicle concerned.
Check the condition of the + 12 V ACC feed fuse of
component 261 (Trafic: 662).
To obtain the fuse value, see Wiring Diagrams
Technical Note or the value indicated on the fuse
box.
Does the radio come on?
No
Check for + accessories feed. To do this, refer to
the interpretation of status ET002 + 12 V
accessories feed.
Has the fault been solved?
No
Contact the Techline.
YesEnd of fault finding.
Yes
AFTER REPAIRCarry out a complete check with the diagnostic tool.
NAV4R_V24_ALP8
Page 78 of 86

MULTIMEDIA
Diagnostic - Fault finding chart86C
86C-77
NAV 4R
Program no.: 0000
Vdiag No.: 24
ALP 10 The screen displays "CD0000"
NOTESOnly check the customer complaint after performing a full check with the diagnostic
tool.
Ensure there are no present or stored faults.
Is this message displayed following replacement
of the radio/navigation computer?
Yes
This message is displayed following replacement of
the radio/navigation computer. Enter the anti-theft
code from the old computer linked to the changer.
The changer registers the new computer's code.
If the old radio code is lost, the changer code can be
cleared using the clearing code.
To obtain the clearing code, contact the Techline.
It is necessary to enter the 6 CD changer
immobiliser code. To do this, follow the instructions
in Technical Note 5037A Code supply procedure.
NoThis message is displayed after the 6 CD
changer is replaced. The computer code
is programmed when the battery or
changer are connected.
When it is installed in the vehicle, the CD
changer is programmed with the radio
supply code.
Note:
The CD changer is supplied uncoded.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
NAV4R_V24_ALP10