display RENAULT SCENIC 2008 J84 / 2.G Electrical Equipment - Network Interface Unit Workshop Manual

86D-3
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V2
MULTIMEDIA NETWORK INTERFACE UNIT
Fault finding - Introduction
Multimedia network
interface unit
Vdiag No.: 04, 14
86D
Procedure (continued)
Espace IV ph2: To save energy, the UCH on the Espace IV Phase 2 cuts out the + after ignition feed after
3 minutes.
To run fault finding on a computer, it is possible to force the + after ignition feed for 1 hour by applying the following
procedure:
–Press the card unlocking button.
–Insert the card into the reader.
–Press the Start button (interrupting the timed + after ignition feed mode).
–Press and hold the Start button for over 5 seconds until the engine immobiliser warning light starts to flash
rapidly (4 Hz).
This "forced + after ignition feed" mode remains on for 1 hour.
Pressing the Start button or removing the card from the card reader cuts off the + after ignition feed but does not cut
off the forced after ignition feed timed mode. Until one hour has elapsed, activating the + after ignition feed will
restart forced + after ignition feed for the remaining time.
Trafic II ph2 and Kangoo 2:
To run fault finding on the vehicle computers, switch on the forced + after ignition feed.
Faults
Faults are displayed as present or stored (they appeared in a certain context and have since disappeared, or they
are still present but cannot be diagnosed in the current context).
The present or stored status of faults should be taken into consideration when the diagnostic tool is used after the
+ after ignition feed is switched on (without acting on the system components).
For a present fault, apply the procedure described in the Interpretation of faults section.
For a stored fault, note the faults displayed and apply the instructions in the Notes section.
If the fault is confirmed when the instructions are applied, the fault is present. Deal with the fault.
If the fault is not confirmed, check:
–the electrical lines which correspond to the fault,
–the connectors on these lines (corrosion, bent pins, etc.),
–the resistance of the component detected as faulty,
–the condition of the wires (melted or split insulation, wear).

86D-4
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V2
MULTIMEDIA NETWORK INTERFACE UNIT
Fault finding - Introduction
Multimedia network
interface unit
Vdiag No.: 04, 14
86D
Conformity check
The aim of the conformity check is to check data that does not produce a fault on the diagnostic tool because the
data is inconsistent. Therefore, this stage is used to:
–carry out fault finding on faults that do not have a fault display, and which may correspond to a customer
complaint.
–check that the system is operating correctly and that there is no risk of a fault recurring after repair.
This section gives the fault finding procedures for statuses and parameters and the conditions for checking them.
If a status is not behaving normally or a parameter is outside the permitted tolerance values, consult the
corresponding fault finding page.
Customer complaints - Fault finding chart
If the test with the diagnostic tool is OK but the customer complaint is still present, the fault should be processed by
customer complaints.
A summary of the overall procedure to follow is provided on the following page in the
form of a flow chart

86D-9
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86D
MULTIMEDIA NETWORK INTERFACE UNIT
Fault finding - Role of components
Role of main components
–Display: displays various multimedia system data such as the station selected, time, CD listing and satellite
guidance information.
–Steering column control: allows the various system functions to be used via the steering wheel control.
–Speakers and tweeters: relay the sound from the multimedia system into the vehicle.
–CD changer: enables compact discs to be loaded and music to be relayed to the receiver.
–AM/FM aerial: receives radio signals from various transmitters.
–GPS aerial: receives various data transmitted by satellites.
–Radio/navigation computer: manages the various multimedia system functions according to user requests and
transmits audio data to the vehicle via the speakers.
–Cartographic map DVD: loads maps into the navigation computer.
–AM/FM aerial amplifier: improves the reception of AM/FM signals.
–Multimedia network interface unit: enables information to be exchanged between the “vehicle” and “multimedia”
multiplex networks. This computer is involved in activating the multimedia system.
Multimedia network
interface unit
Vdiag No: 04, 14
MR-372-J84-86D000$168.mif

86D-10
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V2
86D
MULTIMEDIA NETWORK INTERFACE UNIT
Fault finding - Operating diagram
Layout of the main components of the LPN* Radio system:
*LPN: Low Price NavigationV M multiplex line
diagnostic socketUCH
FEED (Kangoo 2)Electric mirror,
passenger side
(Trafic II ph2)
Other computersMultimedia network
interface unit
Steering column
control
Multifunction aerial
(Trafic II ph2)
GPS aerialLPN* radio
navigation
Aerial amplifier
(Espace IV ph2,
Scénic II ph2,
Kangoo 2)Passenger
compartment fuse box
and relay
Radio navigation
display
ABS, ABS/ESP or
wheel speed
computer depending
on equipment level
Microphone
CD changer
(if an option)Speakers
Vehicle multiplex network
Multimedia multiplex network
Multimedia network
interface unit
Vdiag No: 04, 14
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86D-11
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86D
MULTIMEDIA NETWORK INTERFACE UNIT
Fault finding - Function
General operation
The multimedia system is involved in the following functions:
–Radio reception (AM, FM).
–Playing CDs/MP3 CDs/navigation map.
–Guidance and navigation system with colour screen.
–Bluetooth hands-free phone.
The use of this multimedia system allows the customer:
–To select radio stations by using the preselections, the list or manual selection.
–To have an automatically-updated radio list.
–To listen to CDs or MP3 CDs.
–To control the radio using the steering column switch (satellite).
–To change various acoustic parameters (bass, treble, fader, etc.).
–To navigate on a colour screen (visual and audio guidance): for this function the system uses GPS, the vehicle
speed wire information and an internal gyroscope.
–To receive traffic information via RDS-TMC and to display it on the navigation map.
Possibility of re-routing according to traffic information.
–To display the time and temperature on the screen.
–To use the hands-free phone function (sound relayed to the radio speakers) with a Bluetooth phone (HFP
profile).
–To be protected by an immobiliser code.
Multimedia network
interface unit
Vdiag No: 04, 14
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86D-20
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V2
86D
MULTIMEDIA NETWORK INTERFACE UNIT
Fault finding - Conformity check
MAIN COMPUTER STATUSES AND PARAMETERS
NOTESOnly check conformity after a full check with the diagnostic tool. The values shown
in this conformity check are given as a guide.
Application conditions: Engine stopped, ignition on.
FunctionParameter, Status checked or
ActionDisplay and notes Fault finding
Power supplyET004:+ 12 V side lightsINACTIVE
SIGNAL
OFF
ONIn the event of a fault, perform fault
finding on the UCH (see 87B,
Passenger compartment connection
unit).
BIC_V04_CCONF/BIC_V14_CCONF
Multimedia network
interface unit
Vdiag No: 04, 14
MR-372-J84-86D000$560.mif

86D-21
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MULTIMEDIA NETWORK INTERFACE UNIT
Fault finding - Conformity check
Multimedia network
interface unit
Vdiag No: 04, 14
86D
SUB-FUNCTION: USER SELECTION
NOTESOnly check conformity after a full check with the diagnostic tool. The values shown
in this conformity check are given as a guide.
Application conditions: Engine stopped, ignition on.
FunctionParameter, Status checked or
ActionDisplay and notes Fault finding
System
activationET001:Activation signalACTIVE
INACTIVEIf there is a fault, refer to ALP 2
"Multimedia system not
switching on".
ET002:Radio on/off buttonACTIVE
INACTIVE
Power supplyET003:Timed battery
voltageACTIVE
INACTIVENONE
VolumeET005:Silence modeACTIVE
INACTIVE
REDUCTIONIf there is a fault, refer to the
interpretation of status ET005
“Silence mode”.
DirectoryET006:User profile in
progress0
1
2
3
4NONE
TravelET008:Direction of
vehicle travelFRONT
REAR
NEUTRALIn the event of a fault, refer to the
interpretation of status ET008
"Direction of vehicle travel".
Power supplyPR002:Battery voltage11 V < PR002
< 14 VIf there is a fault, refer to the
interpretation of parameter PR002
Battery voltage.
SpeedPR003:Vehicle speed0 mphIf there is a fault, carry out fault finding
on the ABS system (see 38C,
ABS system).
MileagePR001:Mileage since last
fault appearedIn kmParameter PR001 "Mileage since last
fault appeared" indicates the distance
travelled since the last fault appeared.

86D-22
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V2
MULTIMEDIA NETWORK INTERFACE UNIT
Fault finding - Conformity check
Multimedia network
interface unit
Vdiag No: 04, 14
86D
SUB-FUNCTION: USER SELECTION (CONTINUED)
NOTESOnly check conformity after a full check with the diagnostic tool. The values shown
in this conformity check are given as a guide.
Application conditions: Engine stopped, ignition on.
FunctionParameter, Status checked or
ActionDisplay and notes Fault finding
Steering column
controlET009:REPEAT buttonPRESSED
RELEASED
If there is a fault, refer to the
interpretation of statuses ET009
"REPEAT button", ET010 "Confirm
button", ET011 "+ button", ET012
"- button" and ET013 "Top button". ET010:CONFIRM buttonPRESSED
RELEASED
ET011:+ buttonPRESSED
RELEASED
ET012:- buttonPRESSED
RELEASED
ET013:Top buttonPRESSED
RELEASED
ET014:High buttonPRESSED
RELEASEDIf there is a fault, refer to the
interpretation of status ET014
“High button”.
ET015:Low buttonPRESSED
RELEASEDIf there is a fault, refer to the
interpretation of status ET015
“Low button”.
ET017:Wheel actionUPWARDS
DOWNWARDS
INACTIVEIf there is a fault, refer to the
interpretation of status ET017
“Wheel action”.
ET018:Left-hand buttonPRESSED
RELEASEDIf there is a fault, refer to the
interpretation of status ET018
“Left-hand button”.
ET019:Right-hand buttonPRESSED
RELEASEDIf there is a fault, refer to the
interpretation of status ET019
“Right-hand button”.

86D-23
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V2
MULTIMEDIA NETWORK INTERFACE UNIT
Fault finding - Conformity check
Multimedia network
interface unit
Vdiag No: 04, 14
86D
SUB-FUNCTION: DISPLAY
*LPN: Low Price Navigation
NOTESOnly check conformity after a full check with the diagnostic tool. The values shown
in this conformity check are given as a guide.
Application conditions: Engine stopped, ignition on.
FunctionParameter, Status checked or
ActionDisplay and notes Fault finding
LightingPR005:Dimmed lightingUse the
backlighting wheel
to vary the
parameter value.
Lights on:
from 0 to 100 %
Lights off: 102 %
If there is a fault, refer to ALP 6 "No
LPN* radionavigation backlighting".
Power supplyET004:+ 12 V side lightsINACTIVE
SIGNAL
OFF
ON
LightingET007:BrightnessDAY: Lights off
NIGHT: Lights on
External
temperaturePR004:External
temperatureUnit: ˚CIn the event of a fault, refer to the
interpretation of parameter PR004
Exterior temperature.

86D-25
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V2
86D
MULTIMEDIA NETWORK INTERFACE UNIT
Fault finding - Interpretation of statuses
ET005
SILENCE MODE
NOTESThere must be no present or stored faults.
Engine stopped, ignition on.
Use the wiring diagrams Technical Note for Scénic II ph2, Espace IV ph2,
Trafic II ph2 or Kangoo 2.
Note:
For vehicles which do not have the "Silence" button on the steering column switch,
pressing the +/- twice displays status ET005.
Check the condition and connection of the connector of component 325 (Scénic II ph2 and Kangoo 2: 1519)
and of the black 24-track connector of component 1714.
If the connectors are faulty and there is a repair method (see Technical Note 6015A, Electrical wiring repair,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Check the insulation, continuity and the absence of interference resistance on the following connections:
Scénic II ph2 and Kangoo 2:
–connection code 34AT,
–connection code 34AR,
–connection code 34AS,
–connection code 34AQ,
–connection code 34AU,
–connection code 34AP,
between components 1714 and 1519.
Trafic II ph2 and Espace IV ph2:
–connection code 34AT,
–connection code 34AR,
–connection code 34AS,
–connection code 34AQ,
–connection code 34AU,
–connection code 34AP,
between components 1714 and 325.
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 REPAIRRepeat the conformity check from the start.
BIC_V04_ET005/BIC_V14_ET005
Multimedia network
interface unit
Vdiag No: 04, 14
MR-372-J84-86D000$672.mif