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

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Fault finding - Introduction

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5. FAULT FINDING LOG
You will always be asked for this log:
●when requesting technical assistance from Techline,
●for approval requests when replacing parts for which approval is mandatory,
●to be attached to monitored parts for which reimbursement is requested. The log is needed for warranty
reimbursement, and enables better analysis of the parts removed.
6. SAFETY INSTRUCTIONS
Safety rules must be observed during any work on a component to prevent any damage or injury:
–check the battery voltage to avoid incorrect operation of computer functions,
–Use the proper tools. IMPORTANTIMPORTANT
Any fault on a complex system requires thorough fault finding with the appropriate tools. The
FAULT FINDING LOG, which should be completed during the procedure, enables you to keep
track of the procedure which is carried out. It is an essential document when consulting the
manufacturer.
IT IS THEREFORE ESSENTIAL THAT THE FAULT FINDING LOG IS FILLED OUT EVERY TIME IT IS
REQUESTED BY TECHLINE OR THE WARRANTY RETURNS DEPARTMENT

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Fault finding - List and location of components

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2Warning light display:
1Brake warning light10“Service” warning light
2Major electric power-assisted steering fault
warning11
Rear fog lights indicator light
3Battery charge warning light12Front fog lights indicator light
4Oil pressure warning light13Direction indicator light
5Coolant temperature warning light14Passenger airbag disconnection warning light
6Particle filter warning light record
(Not used on the New Twingo)15Seat belt reminder indicator light
7On board diagnostics warning light16Door(s) open warning light
(Not present in the New Twingo)
8Airbag fault warning light17“Stop” warning light
9ABS warning light

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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 - Operating diagram

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Output signals:
ABuzzer
BControlled warning lights:
–Seat belt reminder light
–Brake warning light
–Battery charge warning light
–Oil pressure warning light
–Coolant temperature warning light
–Airbag fault warning light
CFuel level display function
DOn-board computer
–Odometers
–Distance/time before service.
–Cruise control and speed limiter
–Clock (on entry level version)
–Exterior temperature display
ESequential gearbox display
FBacklighting
Dimmer
GSpeedometer
HDirect warning lights:
–Side light indicator light
–Dipped headlight indicator light
–Headlight indicator light
–Front fog light indicator light
–Rear fog light indicator light
–Direction indicator light

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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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INSTRUMENT PANEL
Fault finding - Fault summary table
Tool fault Associated DTC Diagnostic tool title
DF0079402 Fuel sender circuit
DF0099407 Oil pressure sensor circuit
DF0189405 Instrument panel
DF0199404 Battery voltage
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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

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Fault finding - Interpretation of faults

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DF018
PRESENT
OR
STOREDINSTRUMENT PANEL
1.DEF: Internal electronic fault
2.DEF: Feed voltage too low
NOTESNone.
1.DEF
NOTESContact the Techline.
2.DEF
NOTESRefer to the interpretation of fault DF019 Battery voltage.
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_DF018 / TDB_V08_DF018

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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