Page 57 of 86
MULTIMEDIA
Fault finding - Command summary table86C
86C-56
NAV 4R
Program no.: 0000
Vdiag No.: 24
Fault finding - Command summary table
Tool command Diagnostic tool title
RZ001Fault memory
AC004Speaker test
AC021Display test
AC022CD ejection
VP002Write VIN
VP005Computer configuration
Page 58 of 86
MULTIMEDIA
Fault finding - Dealing with commands
86C
86C-57
NAV 4R
Program no.: 0000
Vdiag No.: 24
Fault finding - Dealing with commands
CLEARING
RZ001 Fault memory:
This command is used to clear faults stored in the navigation computer.
ACTIVATIONS
AUDIO tab
AC004 Speaker test:
This command is used to perform a listening test on the speakers.
DISPLAY tab
AC021 Display test:
This command is used to check that the video display is operating correctly. Three colours are displayed on
the screen: Red, green and blue, and a black mosaic on a white background.
USER SELECTION tab
AC022 CD ejection:
This command is used to eject the CD from the CD reader, and not from the CD changer.
Page 59 of 86
MULTIMEDIA
Fault finding - Dealing with commands
86C
86C-58
NAV 4R
Program no.: 0000
Vdiag No.: 24
AC004
SPEAKER TEST
NOTESThere must be no present or stored faults.
Special note:
A different bleep is emitted from each speaker.
Check that the "balance/fader" settings used are the default ones.
Use the Wiring Diagram Technical Note for the vehicle concerned.
Check the condition and connection of the white 8-track connector of component 261 (Trafic: 662).
Also check the condition and connection of the faulty speaker connector.
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.
AFTER REPAIRCarry out another fault finding check on the system.
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MULTIMEDIA
Fault finding - Dealing with commands
86C
86C-59
NAV 4R
Program no.: 0000
Vdiag No.: 24
AC004
CONTINUED 1
Using the universal bornier, check the insulation, continuity and the absence of interference resistance on
the following connections:
Mégane and Scénic:
●connection code 34E,
●connection code 34F,
between components 261, 365 and 191.
●connection code 34G,
●connection code 34H,
between components 261, 192 and 366.
●connection code 34D,
●connection code 34C,
between components 261 and 189.
●connection code 34A,
●connection code 34B,
between components 261 and 190.
Laguna:
●connection code 34E,
●connection code 34F,
between components 261, 365 and 191.
●connection code 34D,
●connection code 34C,
between components 261, 189 and 1132.
●connection code 34A,
●connection code 34B,
between components 261, 190 and 1133.
●connection code 34G,
●connection code 34H,
between components 261, 192 and 366.Trafic:
●connection code 34E,
●connection code 34F,
between components 662, 365 and 191.
●connection code 34D,
●connection code 34C,
between components 662 and 189.
●connection code 34A,
●connection code 34B,
between components 662 and 190.
●connection code 34G,
●connection code 34H,
between components 662, 192 and 366.
Master:
●connection code 34E,
●connection code 34F,
between components 261, 365 and 191.
●connection code 34D,
●connection code 34C,
between components 261 and 189.
●connection code 34A,
●connection code 34B,
between components 261 and 190.
●connection code 34G,
●connection code 34H,
between components 261, 192 and 366.
AFTER REPAIRCarry out another fault finding check on the system.
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
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MULTIMEDIA
Diagnostic - Fault finding chart86C
86C-63
NAV 4R
Program no.: 0000
Vdiag No.: 24
Diagnostic - Fault finding chart
ALP 1 No dialogue possible between the computer and the CLIP tool
NOTESSwitch on the + after ignition feed to enter fault finding mode with the computer.
Use the Wiring Diagram Technical Note for the vehicle concerned.
Note:
For Laguna, the system can only be switched on with the ignition on. The on/off
button does not operate with the ignition off.
Try the diagnostic tool on another vehicle.
Yes Is dialogue possible with a computer? No
On the faulty vehicle.
Check the battery voltage (see PR001 Battery
voltage).
Check the condition and connection of the battery
connections.
Check the condition of the fuses.
Check:
–the connection between the diagnostic tool and the
diagnostic probe (lead in good condition):
–the connection between the diagnostic lead and the
diagnostic socket (lead in good condition).
AFTER REPAIRCarry out a complete check with the diagnostic tool.
NAV4R_V24_ALP1