change time RENAULT TWINGO RS 2009 2.G Electrical Equipment - Radio R01-08 Workshop Manual

86A-6V2 MR-413-X44-86A100$010.mif
RADIO
Fault finding – Introduction86A
R01-08
Vdiag No.: A4
4. FAULT FINDING PROCEDURE (continued)
4.1 Wiring check
Fault finding problems
Disconnecting the connectors and/or manipulating the wiring may temporarily clear the cause of a fault.
Electrical measurements of voltage, resistance and insulation are generally correct, especially if the fault is not
present when the analysis is made (stored fault).
Visual inspection
Look for damage under the bonnet and in the passenger compartment.
Carefully check the fuses, insulators and wiring harness routing.
Look for signs of oxidation.
Physical inspection
When handling the wiring, use the diagnostic tool to detect any change in the status of the faults from "stored" to
"present".
Make sure that the connectors are firmly secured.
Apply light pressure to the connectors.
Twist the wiring harness.
If there is a change in status, try to locate the source of the fault.
Checking earth insulation
This check is carried out by measuring the voltage (multimeter in voltmeter mode) between the suspect connection
and the 12 V or 5 V. The correct measured value is 0 V.
Checking insulation against + 12 V or + 5 V
This check is carried out by measuring the voltage (multimeter in voltmeter mode) between the suspect connection
and the earth. In the first instance, the earth may be taken on the chassis. The correct measured value should be 0 V
Continuity check
A continuity check is carried out by measuring the resistance (multimeter in ohmmeter mode), with the connectors
disconnected at both ends. The expected result must be between: 0 Ω < X < 2 Ω for every connection. The line must
be fully checked, and the intermediate connections are only included in the method if this saves time during the fault
finding procedure. The continuity check on the multiplex lines must be carried out on both wires. The measured
value must be between: 0 Ω < X < 2 Ω.
Checking the supply
This check may be carried out using a test light (21 W or 5 W depending on the maximum authorised load)

86A-22V2 MR-413-X44-86A100$050.mif
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Vdiag No.: A4
The radio includes the following functions:
•Radio reception (AM, FM).
•CD/MP3 playing.
The system offers the following possibilities:
•Choose FM radio stations using the presets, the list or manual selection.
•Have access to an automatically updated FM radio list.
•Listen to CDs and MP3s.
•Control the radio using the radio control satellite.
•Have access to optimised audio and acoustic telephone configurations for each vehicle.
•Modify various acoustic parameters (base, treble, front/rear balance, etc.).
•Benefit from a connection for a CD changer.
•Possibility of connecting a peripheral with a USB port, Jack socket, etc.
•Anti-theft protection.
Computer activation system
The radio has an activation system.
The radio is switched on under the following conditions:
•by pressing the radio ON/OFF button,
•when the engine is started, the radio is switched on automatically.
The radio is switched off under the following conditions:
•The ignition is switched off.
•Door opened (Clio III)
•1 minute after a door is opened (New Twingo)
•By pressing the radio ON/OFF button (Clio III and New Twingo).
•In the last case, if the vehicle engine is running, the radio will be switched off from a user point of view, but will be
considered operational from an electrical point of view. If the ignition is switched off, the radio will be off.
The computer activation system is managed by the UCH, which activates the display with a timed + battery supply.
The activated display in turn activates all of the computers involved in the multimedia function
RADIO
Fault finding – Function

86A-23V2 MR-413-X44-86A100$060.mif
86A
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Vdiag No.: A4
Thermal protection
Thermal protection is integrated in order to protect the radio.
The functions are restored when the internal temperature falls below 80ËšC.
Car radio code
The radio is protected by a two-part anti-theft system:
•A 4-digit code,
•Information exchanged between the instrument panel and the radio.
This code is requested in the following cases:
•New vehicle,
•New radio,
•When a radio is swapped between vehicles.
The radio is protected by a four digit code. This code must be entered using the radio control satellite or the
radio keypad.
Entering the code using the radio control satellite:
Press the lower button on the control to confirm an entry.
Entering the code using the radio:
Enter the digits using buttons 1, 2, 3 and 4, and then confirm with button 6.
If the code is entered incorrectly, the radio will be locked (1 minute for the first error, 2 minutes for the second error,
4 minutes for the third error, etc., for a maximum of 32 minutes after each attempt).
After several attempts, if the fault is still present, contact the Techline.
Some configurations must be programmed after the code has been entered for the first time (see Configuration -
Parameters). These settings are stored when the battery is disconnected.
Reminder:
The radio will operate for approximately 2 minutes in scrambled mode without the code having been entered
(with regular warning beeps).
Note:
If the battery is disconnected, it is not necessary to re-enter the radio anti-theft code.
RADIO
Fault finding – Anti-theft code

86A-27V2 MR-413-X44-86A100$100.mif
86A
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Vdiag No.: A4
To remove and refit the radio, consult the Repair Manual for the vehicle concerned:
–Clio III (see MR 392, Mechanical, 86A, Radio, Radio: Removal - Refitting).
–New Twingo (see MR 411, Mechanical, 86A, Radio, Radio: Removal - Refitting).
Operations to perform before replacing the radio computer:
–With the approval of the Techline, read the fault code and perform the conformity check to determine whether the
fault is detected before replacing the computer.
–Remove any CDs before removing the computer or when replacing the CD changer.
–Switch off the ignition and remove the computer.
Operations to perform after replacing the radio computer:
–Connect the diagnostic tool, switch on the radio and establish dialogue with the computer.
–For New Twingo: before configuring the radio, it is essential to correctly configure the display (see 86D,
Multimedia connection unit).
–Configure the computer using special command SC002 Computer configuration (see Configuration).
–Enter the VIN code using command VP001 Write VIN (see Programming).
–Enter the computer replacement date using command VP003 Enter After-Sales operation date
(see Programming).
–Check that there are no faults and that the radio functions correctly, then enter the anti-theft code if the radio
requests it (see Anti-theft code).
RADIO
Fault finding – Replacement of components

86A-80
AFTER REPAIRCarry out another fault finding check on the system.
Deal with any faults.
V2 MR-413-X44-86A100$190.mif
RADIO
Fault finding – Fault Finding Chart86A
R01-08
Vdiag No.: A4
ALP 8Backlighting does not change when the vehicle lights are
switched on
NOTESUse the Wiring Diagrams Technical Note for Clio III or New Twingo.
NOTE: Switch on the side lights and position the lighting rheostat wheel in the centre
position.
The display, component code 653, is only available when the vehicle does not have
the navigation function.
The multimedia connection unit, component code 1714, is only available when the
vehicle has the navigation function.
Check the backlighting of the following components:
radio, display and instrument panel.
Are all of the components backlit?
Attempt to backlight these components
once again, and if no conclusion can be
made, contact the Techline.
Does the instrument panel light up?Perform fault finding on the instrument
panel (see 83A, Instrument panel).
YES
NO
NO
YES
A
R108_VA4_ALP8