2009 RENAULT TWINGO ignition

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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.
Types of diagnostic tools
–CLIP
Special tooling required
3. REMINDERS
To run fault finding on the vehicle's computers, switch on the ignition in fault finding mode (+ after ignition feed).Vehicle(s): New Twingo
Function concerned: Wipers/washers
Special tooling required
Multimeter
Elé. 1681 Universal bornier
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Fault finding - Introduction85A
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 the instructions in the Notes section are applied, 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 processed by
customer complaint.
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 - Introduction85A
5. FAULT FINDING LOG
You will always be asked for this log:
–when requesting technical assistance from the Techline,
–for approval requests when replacing parts for which approval is obligatory
–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
The safety instructions must be followed at all times when working on components, to avoid damage or injury:
–check the battery voltage to avoid incorrect operation of computer functions,
–Use the proper tools.
Procedure for disconnecting the battery:
–switch off the ignition,
–switch off all consumers,
–wait at least 1 minute for the electronic systems to switch off,
–disconnect the battery, starting with the negative terminal. 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 carried out. It is an essential document when consulting the manufacturer.
IT IS THEREFORE MANDATORY TO FILL OUT A FAULT FINDING LOG EACH TIME FAULT FINDING IS
CARRIED OUT.

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Fault finding - Conformity check
SUB-FUNCTION: WIPING CONTROL
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(fault reading and configuration checks).
Application condition: engine stopped, + after ignition feed present.
Computer Order FunctionParameter or Status
checked or ActionDisplay and
NotesFault finding
UCH
(see 87B,
passenger
compartment
connection
unit)1
Wiper
controlET077:Wiper stalk
positionINACTIVE
INTERMITTENT
LOW-SPEED
HIGH SPEEDIn the event of a fault, apply
the interpretation of status
ET077 (see 87B, UCH).
2ET096:Wiper
intermittent
speed ring
position1
2
3
4
5In the event of a fault, apply
the interpretation of status
ET096 (see 87B, UCH).
3ET114:Windscreen
wiper request
by rain sensorABSENT
LOW-SPEED
HIGH SPEEDIn the event of a fault, apply
the interpretation of status
ET114 (see 87B, UCH).
4
Windscreen
wiper park
positionET078:Windscreen
washer
requestACTIVE
INACTIVEIn the event of a fault, apply
the interpretation of status
ET078 (see 87B, UCH).
5ET027:Windscreen
wiper park
positionACTIVE
INACTIVEIn the event of a fault, apply
the interpretation of status
ET027 (see 87B, UCH).
6
Rear screen
wiper park
positionET079:Rear screen
washer
requestACTIVE
INACTIVEIn the event of a fault, apply
the interpretation of status
ET079 (see 87B, UCH).
7ET097:Rear screen
wiper park
positionACTIVE
INACTIVEIn the event of a fault, apply
the interpretation of fault
ET097 "Windscreen wiper
park position" (see 87B,
UCH).
8ET080:Rear screen
wiper requestACTIVE
INACTIVEIn the event of a fault, apply
the interpretation of status
ET080
9Reverse
gearET109:Reverse gear
engagedYES
NOIn the event of a fault, apply
the interpretation of status
ET109 (see 87B, UCH).
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Fault finding - Conformity check85A
SUB-FUNCTION: WIPING POWER
NOTESOnly carry out this conformity check after a complete check with the diagnostic tool
(fault reading and configuration checks).
Application condition: engine stopped, + after ignition feed present.
Computer Order FunctionParameter or Status
checked or ActionDisplay and
NotesFault finding
UCH
(see 87B,
passenger
compartment
connection
unit)1Rear screen
wiperAC007:Rear
screen
wiperThis control is
used to operate
the rear screen
wiper.In the event of a fault,
apply the procedure
for command AC007
(see 87B, UCH).
2
Windscreen
wiper
requestAC058:Intermittent
windscreen
wiper
requestThis command
triggers the
activation of
intermittent
windscreen
wiper action.In the event of a fault,
consult the
interpretation of
commandAC058
(see 87B, UCH).
3AC056:Low-speed
wiperThis command
triggers the
activation of
the windscreen
wipers at low
speed.In the event of a fault,
consult the
interpretation of
command AC056
(see 87B, UCH).
4AC057:High-speed
wiperThis command
triggers the
activation of
the windscreen
wipers at high
speed.In the event of a fault,
consult the
interpretation of
command AC057
(see 87B, UCH).

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Fault finding - Fault Finding Chart85A
ALP 19No change in wiper speed after activating the wiper intermittent
speed ring
NOTESOnly check this customer complaint after a complete check with the diagnostic tool.
Check in particular the correct functioning of statuses ET077 "Wiper stalk position"
and ET114 "Wiper request by rain sensor" in the UCH.
Note:
In order for intermittent wiping to function, the ignition must be on and the wiper
intermittent speed ring should be at least in position "1". With each change of position
for the wiper intermittent speed ring, the windscreen wiper blades should carry out
one movement.
If the exterior temperature is below 5 ˚C, automatic wiper action will be blocked, to
avoid damaging the wiper blades if they are frozen.
STEP 1
Check that the vehicle is fitted with a wiper intermittent speed ring.
Check that LC094 "Wiper intermittent speed ring" displays "With". If not, carry out CF191 "Wiper intermittent
speed ring".
If CF191 "Wiper intermittent speed ring" displays "With", check in the ICM application (Shared World
Information) that the vehicle does indeed have this fitted.
STEP 2
Ensure the correct functioning of status ET077 "Wiper stalk position". In the event of a fault consult status
interpretation ET077 "W iper stalk position".
Ensure the correct functioning of status ET096 "Wiper intermittent position". In the event of a fault consult
status interpretation ET096 "Wiper intermittent position".
Ensure that the park position is not presenting a fault (DF097 "Windscreen wiper park position").
STEP 3
Check that the vehicle is configured with a rain / light sensor.
Check that LC044 "Rain/light sensor" displays "Present". If not, carry out CF035 "Rain/light sensor".
Check that LC096 "Automatic wiper function" displays "With". If not, carry out CF194 "Automatic wiper
function".
Check that LC095 "Automatic headlight function", displays "With". If not, carry out CF193 "Automatic
headlight function".
AFTER REPAIRCarry out a complete check with the diagnostic tool.