86D -2V1 MR-413-X44-86D000$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 manual):
–Assisted fault finding (integrated into the diagnostic tool), Dialogys.
Wiring Diagrams:
–Visu-Schéma.
Type of diagnostic tools
–CLIP
Special tooling required
3. REMINDERS
Fault finding procedure
To run fault finding on the vehicle computers, switch on the ignition.
Depending on the type of vehicle equipment, proceed as follows:
To cut off + after ignition feed, proceed as follows:Vehicle(s): CLIO III and NEW TWINGOComputer name: MULTIMEDIA CONNECTION
UNIT
Function concerned: MULTIMEDIA
CONNECTION UNITVdiag No.: 14
Special tooling required
Diagnostic tool
Multimeter
Elé. 1681 Universal bornier
For vehicles with key/radio frequency remote control, use the key to switch on the ignition.
For vehicles with Renault cards,
–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.
For vehicles with key/radiofrequency remote control,use the key to switch off the ignition.
For vehicles with Renault cards,
Press the Start button twice briefly (less than 3 seconds),
Ensure that the + after ignition feed has been cut off by checking that the computer warning lights on the instrument
panel have gone out.
BIC_V14_PRELI
MULTIMEDIA CONNECTION UNIT
Fault finding – Introduction
86D-22
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-413-X44-86D000$090.mif
MULTIMEDIA CONNECTION UNIT
Fault finding – Interpretation of faults86D
BIC
Vdiag No.: 14
DF005
CONTINUED
2.DEFNOTESNone.
Remove the card from the reader or the key from the ignition, then check the condition of the battery.
Check the battery: leaks, incorrectly fitted, loosened battery terminal, and corrosion.
Check the earth connections of the vehicle: battery/chassis, engine/chassis, starter/engine, alternator/engine,
gearbox/chassis.
If the fault is detected, resolve the abnormal contact fault.
Check the battery and perform an alternator supply test (see 16A, Starting, Charging).
Check the condition of fuse F48 (15 A) for New Twingo or fuses F14 (5 A), F2 (20 A), and unit fuse 710 (15 A) for
Clio III.
Check the connection and condition of the connectors of the display computer, component code 653 or of the
multimedia connection unit computer, component code 1714, depending on the vehicle equipment.
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.
Disconnect the computer connector and check the conformity of the following connections:
–BCP4 between components 260 and 653 or 1714,
–BPT between components 645 and 653 or 1714,
–BPT3 between components 260 and 653 or 1714,
–NAM between component 653 or 1714 and earth.
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.
