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
MULTIMEDIA
Diagnostic - Fault finding chart86C
86C-64
NAV 4R
Program no.: 0000
Vdiag No.: 24
ALP 1
CONTINUED
Check component 225 on the vehicle:
–Check for + 12 V battery feed on connection BCP4 (Laguna), BP32 (Mégane and Scénic) or BP10 (commercial
vehicle), + 12 V after ignition feed on connection AP10 (Laguna), AP43 (Mégane and Scénic) or AP26
(commercial vehicle) and an earth on connections MA, MB and NAP (Laguna), NC and MK (LHD commercial
vehicle), NJ and MJ (RHD commercial vehicle), MAM and NAM (Scénic), MAM and NAM (RHD Mégane), MAN
and NAM (LHD Mégane), of component 225.
–Also check for + 12 V battery feed on connection BCP4 (commercial vehicle and Laguna) or BCP3 (Mégane
and Scénic) and an earth on connection MT (Trafic and Laguna), MAO (Mégane and Scénic) or NL (Master) of
the black 8-track connector of component 261 (Trafic: 662).
Using the universal bornier, check the insulation, continuity and the absence of interference resistance on
the following connections:
●connection code 107W,
●connection code 107X,
between components 261 and 225.
Trafic:
●connection code 34GA,
●connection code 34DZ,
between components 662 and 225.
Are these tests correct?
Yes No
If the fault has not been solved, contact Techline.
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.
MULTIMEDIA
Diagnostic - Fault finding chart86C
86C-65
NAV 4R
Program no.: 0000
Vdiag No.: 24
ALP 2 The screen stays black
NOTESOnly consult this ALP after a complete check with the diagnostic tool.
Check that the fault remains after pressing the on/off button for component 261 (Trafic:
662).
Use the Wiring Diagram Technical Note for the vehicle concerned.
Establish dialogue with the computer.
Is dialogue possible with the computer?
Yes
Check that the computer is correctly configured
(see Configuration and programming).
Yes
When the ignition is switched on, is the +
accessories feed present on connection SP2 of the
8-track connector of component 261 (Trafic: 662)?
Yes
NoApply ALP 1 No dialogue possible
between the computer and the CLIP
tool.
NoRun command VP005 Computer
configuration (see Configuration and
programming).
No
AFTER REPAIRCarry out a complete check with the diagnostic tool.
NAV4R_V24_ALP2
