display RENAULT TWINGO 2009 2.G Chasiss - Power Assisted Steering Workshop Manual

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RENAULT TWINGO 2009 2.G Chasiss - Power Assisted Steering Workshop Manual 36B-3
MR-413-X44-36B000$067.mif
V2
POWER – ASSISTED STEERING
Fault finding – Introduction
EPAS
Vdiag No.: 04 - 08
36B
Faults
Faults are declared present or stored (depending on wh

36B-3
MR-413-X44-36B000$067.mif
V2
POWER – ASSISTED STEERING
Fault finding – Introduction
EPAS
Vdiag No.: 04 - 08
36B
Faults
Faults are declared present or stored (depending on whether they appeared in a certain context and have
disappeared since, or whether they remain present but are not 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 defective,
–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 complaints.
A summary of the overall procedure to follow is provided on the following page in
the form of a flow chart.