ignition RENAULT TWINGO 2009 2.G Electrical Equipment - Instrument Panel Workshop Manual

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INSTRUMENT PANEL
Fault finding - Introduction
1. SCOPE OF THIS DOCUMENT
This document presents the fault finding procedure 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 (CD-ROM), paper.
Type of diagnostic tools
–CLIP
Special tooling required
3. REMINDERS
Procedure
To run fault finding on the vehicle computers, switch on the ignition. Proceed as follows:
–turn the ignition key to APC,
–connect the diagnostic tool and perform the required operations.
To cut off the + after ignition feed, proceed as follows:
–disconnect the diagnostic tool,
–turn the ignition key to OFF,
–verify that the forced + after ignition feed has been switched off by checking that the computer warning lights on
the control panel have gone out. Vehicle(s): New Twingo
Function concerned: Instrument panelName of computer: Instrument panel
3 levels:
–Entry Level version
–Mid Level version
–Top of the range version
Vdiag No.: 04, 08
Special tooling required
Multimeter
Elé. 1681 Universal bornier
TDB_V04_PRELI / TDB_V08_PRELI

Vdiag No.: 04, 08
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Fault finding - Introduction

Vdiag No.: 04, 08
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Faults
Faults are declared as either present or stored (depending on whether they appeared in a certain context and have
disappeared since, or whether they remain present but have not been diagnosed within the current context).
The present or stored status of faults should be taken into consideration when the diagnostic tool is switched on after
the + after ignition feed (without any system components being active).
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 applying the instructions in the Notes section, 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).
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 repairs.
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 treated by
customer complaints.
A summary of the overall procedure to follow is provided on the following page
in the form of a flow chart.

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Fault finding - Operating diagram

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Multiplex network:
Input signals: 1Instrument panel computer
2ABS or vehicle speed circuit
3Sequential gearbox
4Airbag
5Rev counter
6Injection computer
7UCH
8+ after ignition feed
9Lighting dimmer
10Fuel sender
11Trip computer scroll button
12Parking brake
13Oil pressure
14EPAS
15Brake fluid level
16Side light
17Code
18Headlight
19Front fog light
20Rear fog light
21Battery supply
22Earth
23/24Left-hand and right-hand indicators
25Clock setting buttons (on entry level version)

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Fault finding - Function

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–“Cruise control/speed limiter” symbol display:
The Cruise control or Speed limiter symbol comes on when the system is switched on and is also displayed with the
selected reference speed on the multifunction display in km/h or miles/h, depending on the configuration.
If the “Service” warning light and “Cruise control/Speed limiter” symbol(s) come on simultaneously, refer to the
“Service warning light illumination” insert.
–Clock:
Displays the time.
–External temperature indicator:
Informs the driver of the external temperature.
–Illumination of the “Brake” warning light:
Illumination of the “brake” warning light indicates the following statuses to the driver:
–Fixed illumination: Parking brake engaged/Test phase when vehicle under + after ignition feed.
–Fixed illumination + 5 seconds buzzer: Parking brake engaged when driving.
–Flashing: Calibration of the electronic braking distribution.
If the “Stop” warning light and “Brake” warning light come on simultaneously, refer to the “Stop warning light
illumination” insert.
–Illumination of the “seat belt reminder” warning light:
Illumination of the “seat belt reminder” warning light indicates the following statuses to the driver:
–Fixed illumination: Seat belt reminder.
–Flashing + “Moderate seat belt reminder buzzer” signal:
Seat belt reminder + 12 mph (20 km/h).
–Flashing + “Loud seat belt reminder buzzer” signal + Radio cut off:
Seat belt reminder following the seat belt reminder warning + 12 mph (20 km/h).

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Fault finding - Function

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–Illumination of the “battery charge” warning light:
Illumination of the “battery charge” warning light indicates the following statuses:
●Fixed illumination for three seconds when the + after ignition feed is switched on: Warning light test
phase by the instrument panel.
●Flashing: Low voltage.
If the “Stop” warning light and “Battery charge” warning light come on simultaneously, refer to the “Stop warning light
illumination” insert.
–Illumination of the “Oil pressure warning” warning light:
The “Oil pressure warning” warning light always comes on with the “Stop” warning light and the “Stop” buzzer
sounds. This warning light indicates a pressure fault in the engine lubrication circuit and indicates potential engine
damage.
This warning light comes on for 3 seconds when the + after ignition feed is activated (Test phase).
–Illumination of the “Coolant temperature warning” warning light:
The “coolant temperature warning” warning light always comes on with the “Stop” warning light and the “Stop”
buzzer sounds. This warning light indicates that the cooling circuit temperature is too high, and there is a risk of the
engine overheating and engine damage.
This warning light comes on for 3 seconds when the + after ignition feed is activated (Test phase).
–Illumination of the “ABS” warning light:
Illumination of the “ABS” warning light indicates the following statuses to the driver:
–Rapid flashing: ABS not configured.
–Slow flashing: ABS in configuration phase.
This warning light comes on for 3 seconds when the + after ignition feed is activated (Test phase).
If the “Service” warning light and “ABS” warning light come on simultaneously, refer to the “Service warning light
illumination” insert.

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Fault finding - Function

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–Illumination of the “Sinusoid” warning light:
Illumination of the “Sinusoid” warning light indicates the following statuses to the driver:
●Fixed illumination 3 seconds after + after ignition feed: Test phase by the instrument panel.
●Fixed illumination (If sequential gearbox configuration): Sequential gearbox overheating warning.
●Fixed illumination + buzzer (If sequential gearbox configuration): Increased sequential gearbox
overheating warning.
●Water in diesel fuel warning.
●Level 1 injection fault.
If the “Service” warning light and “Sinusoid” warning light come on simultaneously, refer to the “Service warning light
illumination” insert.
–Illumination of the “Stop” warning light:
Illumination of the “Stop” warning light alone characterises a warning light test phase by the instrument panel.
Outside of this condition, the “Stop” warning light is always associated with a “Stop” buzzer and another warning light
to indicate a fault.
“Stop” warning light + “Stop” buzzer:
–Major injection fault warning.
“Stop” warning light + “Stop” buzzer + “Brake” warning light:
–Brake circuit fault.
–Electronic Braking Distribution fault.
“Stop” warning light + “Stop” buzzer + “Battery charge” warning light:
–Battery charge warning.
“Stop” warning light + “Stop” buzzer + “Oil pressure warning” warning light:
–Oil pressure warning.
“Stop” warning light + “Stop” buzzer + “Coolant temperature warning” warning light:
–Coolant temperature warning.
“Stop” warning light + “Stop” buzzer + “Major electric power-assisted steering fault warning” warning light:
–Major electric power-assisted steering fault warning.

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Fault finding - Interpretation of faults
DF007
PRESENT
OR
STOREDFUEL SENDER CIRCUIT
CO : Open circuit
CC : Short circuit
1.DEF : Internal electronic fault
2.DEF : Battery undervoltage
NOTES1.DEF: Contact Techline.
2.DEF: Carry out fault finding on the charging circuit (see Technical Note 6014A,
Checking the charging circuit).
Conditions for applying the fault finding procedure to stored faults:
The fault is declared present after waiting for 1 second, with the ignition on, then
stored after 60 seconds.
Special note:
Check the consistency between the instrument panel display and parameter PR041
Filtered fuel level.
CO
CC
NOTESSpecial note:
CO: The fault is declared present if the fuel sender
resistance is greater than 350 Ω.
CC: The fault is declared present if the fuel sender
resistance is less than 5 ΩΩ Ω Ω
.
Manipulate the wiring harness between the instrument panel and the fuel sender in order to produce a change in
fault status (Present → Stored).
Look for possible damage to the wiring harness, and check the connection and condition of the fuel sender and
its connections.
Look for possible damage to the wiring harness, check the connection and condition of the instrument panel
connector.
If 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 30A fuse of the positive protected battery, component code 1033.
Measure the resistance between connections 41A and 41B of the fuel sender.
Replace the fuel sender if the resistance value is not: 260 ΩΩ Ω Ω
fuel tank in reserve
38 ΩΩ Ω Ω
fuel tank full
(see MR 411, 19C, Tank, fuel sender: Removal - Refitting).
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
TDB_V04_DF007 / TDB_V08_DF007

Vdiag No.: 04, 08
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Fault finding - Interpretation of faults

Vdiag No.: 04, 08
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DF019
PRESENT
OR
STOREDBATTERY VOLTAGE
1.DEF: Battery undervoltage
2.DEF: Battery voltage too high
3.DEF: Impossible measurement
NOTES3.DEF: Impossible measurement related to an internal computer fault.
Contact the Techline.
1.DEF
2.DEF
NOTESSpecial notes:
1.DEF: The battery fault is declared present if the battery
voltage is less than 5.5 V.
2.DEF: The battery fault is declared present if the battery
voltage is greater than 16 V.
Check fuses F12 (5A) and F8 (15A) of component 1016
Manipulate the wiring harness between the instrument panel and the battery in order to produce a change in fault
status (Present → Stored).
Look for any harness damage, and check the connection and condition of the battery and its connections.
Look for possible damage to the wiring harness, check the connection and condition of the instrument panel
connector.
If 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 condition of the battery and the charging circuit (see Technical Note 6014A, Checking the
charging circuit).
Check the condition of the vehicle earths.
Check for + 12 V on connection BP49 of component 247.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair) repair the wiring, otherwise replace it.
With the ignition on, check for + 12 V on connection AP43 of component 247.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair) repair the wiring, otherwise replace it.
Check for earth on connection MAN of component 247.
If there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for
repair) repair the wiring, otherwise replace it.
If the fault persists, contact the Techline.
AFTER REPAIRDeal with any faults displayed by the diagnostic tool.
Clear the computer memory.
Carry out a road test followed by another check with the diagnostic tool.
TDB_V04_DF019 / TDB_V08_DF019

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Fault finding - Conformity check
MAIN SCREEN
SUB-FUNCTION: DISPLAY
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool.
The values shown in this conformity check are given as a guide.
Application conditions: Vehicle with + after ignition feed activated, engine
stopped.
FunctionParameter or status checked
or actionDisplay and notes Fault finding
Instrument
panel lighting.ET004Side lights controlSide lights
onACTIVE
In the event of a fault, consult the
interpretation of status ET004
Side lights switch Side lights
offINACTIVE
FunctionParameter or status checked
or actionDisplay and notes Fault finding
Instrument
panel lightingET004:Side lights controlSide lights
onACTIVE
In the event of a fault, consult the
interpretation of status ET004
Side lights switch. Side lights
offINACTIVE
Direction
indicator signalET245:Direction indicatorsActivated ACTIVE
In the event of a fault, refer to the
interpretation of status ET245
Indicators. In rest
positionINACTIVE
Fault signalET248:Stop warning light
activated by the
system1- Injection
2-Coolant
temperature
3-Oil pressure
4-Brake fluid level
5- Electronic Braking
Distribution
6-Electric power-
assisted steering
7-Battery chargeSee the interpretation of ET248
STOP warning light activated
by the system.
TDB_V04_CCONF / TDB_V08_CCONF

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Fault finding - Conformity check

Vdiag No.: 04, 08
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SUB-FUNCTION: DISPLAY (CONTINUED)
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool.
The values shown in this conformity check are given as a guide.
Application conditions: Vehicle with + after ignition feed activated, engine
stopped.
FunctionParameter or status
checked or actionDisplay and notes Fault finding
Fault signalET249:Service warning
light activated by
the system1-Multiplex line
communication
2- Injection
3-Water present in diesel
fuel
4-Sequential gearbox
5-Vehicle speed circuit
6-Cruise control/speed
limiter
7-ESP
8-ABS
9-Oil change interval
10- Particle filter
11- Airbag
12- OBDSee the interpretation of
ET249 SERVICE warning
light activated by the
system
Parking brake
signalET097:Parking brakeAutomatic
parking brake
onAPPLIED
In the event of a fault, consult
the interpretation of status
ET097 Parking brake Parking
brake
releasedRELEASED
Minimum brake
fluid level signalET019:Minimum brake
fluid levelMinimum
brake fluid
reservoir
levelYES
In the event of a fault, consult
the interpretation of status
ET019 Minimum brake fluid
level. Normal brake
fluid
reservoir
levelNO
Oil pressure
present signalET096:Oil pressure
contactEngine
runningOPENIn the event of a fault,
consult the interpretation of
fault DF009 “oil pressure
sensor” Engine
stoppedCLOSED