86D -2V1 MR-372-J84-86D050$010.mif
86D
BIC
Vdiag No.: 14
1. SCOPE OF THIS DOCUMENT
This document presents the fault finding method applicable to all computers with the following specifications:
2. PREREQUISITES FOR FAULT FINDING
Documentation type
Fault finding procedures (this document):
–Assisted fault finding (integrated into the diagnostic tool), Dialogys.
Wiring Diagrams:
–Visu - Schéma.
Type of diagnostic tools
–CLIP
Special tooling required
3. REMINDER
Procedure
Scénic II Phase 2: To run fault finding on the vehicle computers, switch on the forced + after ignition feed.
Proceed as follows:Vehicle(s): Espace IV Phase 2, Scénic II
Phase 2Name of computer: Multimedia network
interface unit
Function concerned: Interface between the
vehicle and multimedia networksVdiag No.: 14
Special tooling required
Multimeter
Ele. 1481Bornier
Elé. 1681 Universal bornier
Switch on the forced + after ignition feed:
–with the vehicle card in the card reader,
–press and hold the Start button (longer than 5 seconds) with start-up conditions not fulfilled,
–connect the diagnostic tool and perform the required operations.
BIC_V14_PRELI
MULTIMEDIA NETWORK INTERFACE UNIT
Fault finding – Introduction
86D-19
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults using command RZ001 Fault memory.
Deal with any other faults.
V1 MR-372-J84-86D050$090.mif
MULTIMEDIA NETWORK INTERFACE UNIT
Fault finding – Interpretation of faults86D
BIC
Vdiag No.: 14
DF005
PRESENT
OR
STOREDSUPPLY
1.DEF: Overvoltage.
2.DEF: Undervoltage.
NOTESConditions for applying fault finding procedures to stored faults:
The fault is declared present after the multimedia system has been switched on.
Special notes:
The undervoltage fault appears if the computer feed voltage is less than or equal to
7.5 V for at least 1 second.
The overvoltage fault appears if the computer feed voltage is greater than or equal to
18.5 V for at least 1 second.
Use the Wiring Diagrams Technical Note for Espace IV Phase 2 or Scénic II
Phase 2.
1.DEF
NOTESNone.
Check the battery and perform an alternator supply test (see 16A, Starting, Charging).
BIC_V14_DF005
86D-21
AFTER REPAIRCarry out another fault finding check on the system.
Clear the stored faults using command RZ001 Fault memory.
Deal with any other faults.
V1 MR-372-J84-86D050$090.mif
MULTIMEDIA NETWORK INTERFACE UNIT
Fault finding – Interpretation of faults86D
BIC
Vdiag No.: 14
DF006
PRESENT
OR
STOREDACTIVATION SIGNAL
CO: Open circuit.
CC.0: Short circuit to earth.
CC.1: Short circuit to +12 volts.
NOTESFault finding procedure application conditions:
The fault is declared present after:
–The + after ignition feed is activated, then the multimedia system was switched on
using the on/off button.
–The fault is declared stored after the vehicle is completely shut off (1 minute after
locking).
If the fault is present, the multimedia functions do not operate.
Use the Wiring Diagrams Technical Note for Espace IV Phase 2 or Scénic II
Phase 2.
Check the connection and condition of the connectors of the radio, component code 261, the display, component
code 1127, and the multimedia network interface unit, component code 1714.
If the connector or connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing
electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Check the insulation to earth and to +12 V, the continuity, and the absence of interference resistance of the
following connections:
•34HU between components 261 and 1714,
•34HU between components 1127 and 1714.
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.
If the fault persists, contact your Techline.
BIC_V14_DF006
86D-30
AFTER REPAIRRepeat the conformity check from the start.
V1 MR-372-J84-86D050$120.mif
86D
BIC
Vdiag No.: 14
ET009
ET011
ET012
ET020
ET023
ET024
ET025REPEAT BUTTON
+ BUTTON
- BUTTON
MUTE BUTTON
SOURCE BUTTON
MODE BUTTON
TELEPHONE BUTTON
STATUS DEFINITIONPRESSED: This means that the button is pressed.
RELEASED: This means that the button is released.
NOTESThere must be no present or stored faults.
Note: ET009 Repeat button is not present on the Espace IV Phase 2.
Use the Wiring Diagrams Technical Note for Espace IV Phase 2 or Scénic II
Phase 2.
Check the condition and connection of the radio control satellite connector, component code 1519 (for Scénic II
Phase 2) or component code 325 (for Espace IV Phase 2) and the multimedia network interface unit connector,
component code 1714.
If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical
wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
BIC_V14_ET009 / BIC_V14_ET011 / BIC_V14_ET012 / BIC_V14_ET020 / BIC_V14_ET023 / BIC_V14_ET024 / BIC_V14_ET025
MULTIMEDIA NETWORK INTERFACE UNIT
Fault finding – Interpretation of statuses
86D-32
AFTER REPAIRRepeat the conformity check from the start.
V1 MR-372-J84-86D050$120.mif
MULTIMEDIA NETWORK INTERFACE UNIT
Fault finding – Interpretation of statuses86D
BIC
Vdiag No.: 14
ET017WHEEL ACTION
STATUS DEFINITIONDownwards: This means that the wheel is turned downwards.
Upwards: This means that the wheel is turned upwards.
Inactive: This means that there is no action on the wheel.
NOTESThere must be no present or stored faults.
Use the Wiring Diagrams Technical Note for Espace IV Phase 2 or Scénic II
Phase 2.
Check the condition and connection of the radio control satellite connector, component code 1519 (for Scénic II
Phase 2) or component code 325 (for Espace IV Phase 2) and the multimedia network interface unit connector,
component code 1714.
If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical
wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Using the universal bornier, check the insulation, continuity and the absence of interference resistance on the
following connections:
•34AT between components 1519 (or 325) and 1714,
•34AR between components 1519 (or 325) and 1714,
•34AS between components 1519 (or 325) and 1714,
•34AQ between components 1519 (or 325) and 1714,
•34AU between components 1519 (or 325) and 1714,
•34AP between components 1519 (or 325) and 1714.
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.
BIC_V14_ET017
86D-37
AFTER REPAIRWhen communication is established, deal with any faults indicated.
V1 MR-372-J84-86D050$160.mif
86D
BIC
Vdiag No.: 14
ALP 1 No dialogue with the computer
NOTESUse the Wiring Diagrams Technical Note for Espace IV Phase 2 or Scénic II
Phase 2.
Important: After switching on the system, there can be a delay of 20 seconds before
dialogue is established.
Try to establish dialogue with a computer on another vehicle to check that the diagnostic tool is not faulty. If the
diagnostic tool is not causing the fault and dialogue cannot be established with any other computer on the same
vehicle, it may be that a faulty computer is disrupting the fault finding line.
Use a process of successive disconnections to locate this computer.
Check the battery voltage, component code 107, and perform the necessary operations to obtain the correct
voltage (12 V < X < 15 V).
Check the presence and condition of the computer supply fuses:
–for Espace IV Phase 2: F15 (30 A),
–for Scénic II Phase 2: SHUNT (2AA).
Check the connection of the multimedia network interface unit connector, component code 1714 and the condition
of its connections.
If the connector is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring,
Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.
Check that the computer is correctly supplied by checking the following connections:
•BP3A between components 260 and 1714 (for Espace IV Phase 2),
•BCP3 between components 260 and 1714 (for Scénic II Phase 2),
•BPT between components 645 and 1714 (for Scénic II Phase 2),
•MAN between component 1714 and earth (for Scénic II Phase 2),
•NC between component 1714 and earth (for Espace IV Phase 2).
If the connection(s) 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.
BIC_V14_ALP1
MULTIMEDIA NETWORK INTERFACE UNIT
Fault finding – Fault Finding Chart
86D-39
AFTER REPAIRCarry out a complete check with the diagnostic tool.
V1 MR-372-J84-86D050$160.mif
MULTIMEDIA NETWORK INTERFACE UNIT
Fault finding – Fault Finding Chart86D
BIC
Vdiag No.: 14
ALP 2 Multimedia system not switching on
NOTESSwitch on the + after ignition feed to enter fault finding mode with the computer.
Use the Wiring Diagrams Technical Note for Espace IV Phase 2 or Scénic II
Phase 2.
Is it possible to establish dialogue with the
computer?Refer to ALP 1 No dialogue with the computer.
Check the conformity of status ET002 Radio
on/off button (see Conformity check).
Is the result of the check correct?
Check that the LPN* radionavigation on/off
button is operating correctly (see 86A, Radio).
Is the result of the check correct?Contact the Techline.
NO
YES
YESA
NO
NO
YES
B
BIC_V14_ALP2
86D-44
AFTER REPAIRCarry out a complete check with the diagnostic tool.
V1 MR-372-J84-86D050$160.mif
MULTIMEDIA NETWORK INTERFACE UNIT
Fault finding – Fault Finding Chart86D
BIC
Vdiag No.: 14
*LPN: Low Price Navigation
ALP 5Backlighting does not change when the vehicle lights are
switched on.
NOTESSwitch on the + after ignition feed to enter fault finding mode with the computer.
Use the Wiring Diagrams Technical Note for Espace IV Phase 2 or Scénic II
Phase 2.
Switch on the lights. Carry out fault finding on the UCH
(see 87B, Passenger compartment
connection unit). Is the air conditioning control backlighting
correct?
With the lights on, check status ET007 Brightness.Check the voltage on connection BPT
(Scénic II Phase 2) or 13W (Espace IV
Phase 2) of component 1714.
Is status ET007 "Night"?
Are the checks correct?
Check the insulation, continuity and the absence
of interference resistance on the following
connections:
107X between components 1714 and 261,
107W between components 1714 and 261.
Are the checks correct?Contact the 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.
NO
YES
NO
YES
YESNO
YES
YES
BIC_V14_ALP5