charging RENAULT SCENIC 2013 J95 / 3.G Electronic Parking Brake Workshop Manual
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Page 62 of 115
37B-62
MR-372-J84-37B000$504.mif
V11
ELECTRONIC PARKING BRAKE
Fault finding – Interpretation of faults
FPA
Vdiag No.: 0C, 04, 08,
0D, 11
37B
DF054
PRESENT
OR
STOREDBATTERY VOLTAGE TOO HIGH
1. DEF: Battery voltage too high
NOTESPriorities when dealing with a number of faults:
Deal first with faults DF003 (1.DEF; 2.DEF), DF004, DF028, DF029, DF041, DF042,
DF043, DF050, DF057, DF058 and DF073.
Conditions for applying the fault finding procedure to a stored fault:
Apply this fault finding procedure if the fault appears as present again after the ignition
has been switched on
(forced + after ignition feed, see Introduction).
Special notes:
The fault does not usually come from the electronic parking brake computer.
This fault appears as present if the computer supply voltage is greater than 16.5 V,
and becomes stored when the voltage goes back down below 15.7 V.
Note:
Using another battery for a boost when starting may trigger this fault.
Only for Vdiag 08, 0C and 0D.
If there is a stored fault, refer to the statuses and parameters when it appears.
Explanation of counters: see Introduction.
If the fault is stored and PR018 = 0 and PR022 > 25, clear the fault:
do not take this fault into account.
Check the charging circuit: the alternator should not supply a voltage of less than + 12 V or greater than + 14.4 V
(engine at idle speed).
Check the alternator and the regulator.
Carry out the necessary repairs.
If the fault is still present, check that no electrical system using the same supply fuse as the electronic parking
brake computer is faulty.
If the fault persists, contact the Techline.
AFTER REPAIRIf the computer has been replaced (at the request of the Techline), initialise the
electronic parking brake computer (see Replacement of components).
Issue several braking and release commands to confirm the repair.
Deal with any other faults.
FPA_V0C_DF054/FPA_V04_DF054/FPA_V08_DF054/FPA_V0D_DF054/FPA_V11_DF054
Page 64 of 115
37B-64
MR-372-J84-37B000$504.mif
V11
ELECTRONIC PARKING BRAKE
Fault finding – Interpretation of faults
FPA
Vdiag No.: 0C, 04, 08,
0D, 11
37B
DF055
CONTINUED
2. DEF
NOTESSpecial notes:
This fault is generated after the automatic parking brake is
switched on whilst driving or following an internal reset.
With the anti-lock braking system, this detection is active at
> 0.6 mph (> 1 km/h), otherwise the multiplex signal
emitted by the injection computer must be 1.
Note:
The driver is only informed of this fault after 16 successive
detections.
This fault may be due to battery disconnections or vehicle
supply faults, in which case it is associated with fault 1.DEF
(battery voltage too low) dealt with previously.
If the frequency counter (PR016) > 3 and if the onboard network (battery, wiring) analysis does not bring up any
present or stored fault under battery voltage, contact the Techline.
Check that the battery, battery - starter - alternator connection lead, battery earth - chassis lead and the chassis
earth - engine and transmission assembly lead are in good condition.
Repair if necessary.
Check the charging circuit: the alternator should not supply a voltage of less than + 12 V or greater than + 14.4 V
(engine at idle speed).
Carry out the necessary repairs.
track H4
(except Laguna II, Vel Satis and Espace IV)
track G4+12V
track H2
(except Laguna II, Vel Satis and Espace IV)
track G2earth
Repair if necessary (see the vehicle wiring diagram).
If the fault is still present, check that no electrical system using the same supply fuse as the electronic parking
brake computer is faulty.
If the fault persists, contact the Techline.
AFTER REPAIRIf the computer has been replaced (at the request of the Techline), initialise the
electronic parking brake computer (see Replacement of components).
Issue several braking and release commands to confirm the repair.
Deal with any other faults.
Page 71 of 115
37B-71
MR-372-J84-37B000$576.mif
V11
37B
ELECTRONIC PARKING BRAKE
Fault finding – Conformity check
MAIN SCREEN
NOTESOnly carry out this conformity check after carrying out a complete check using the
diagnostic tool.
Application conditions: ignition on (forced + after ignition, see Introduction)
Note:
The interpretation of these statuses and parameters is only valid with the
ignition switched on, the statuses and parameters displayed in blue on the
diagnostic tool is information supplied by other computers, which are transmitted via
the multiplex network. If these variables display inconsistent values, make sure that
the multiplex system test has not shown up any faulty connections. Repair the faulty
multiplex connections before looking for a possible problem with the signals.
Each sub-function in this test is associated with a Fault finding chart.
Special notes:
The diagnostic tool may display the message Computer busy when displaying
statuses and parameters. This message is displayed when the parking brake is
applying or releasing the brake, because the computer gives priority to controlling the
motor before transmitting variables. If this message is displayed, exit the current
screen and then return to it.
Order FunctionParameter or Status
Checked or ActionDisplay
and notesFault finding
1Parking brake
operation statusET024:System operationCUSTOMER MODEIf the status displays FACTORY
MODE, the computer is not
operational.
To enter CUSTOMER MODE,
initialise the computer again, by
running command VP011
Computer calibration and
initialisation (see
Replacement of components).
2Computer
electrical supplyET001:+ After ignition
feedIgnition off: ABSENT
Ignition on: PRESENTIn the event of a fault on this
status, refer to the interpretation
of status ET001: + after
ignition supply.
PR001:Battery voltage9.6V
insulation, continuity and the
absence of interference
resistance on the computer
supplies and earths (see wiring
diagram). If the fault is still
present, carry out fault finding
on the charging circuit (see
Technical Note 6014A,
Checking the charging
circuit).
FPA_V0C_CCONF / FPA_V04_CCONF / FPA_V08_CCONF / FPA_V0D_CCONF / FPA_V11_CCONF
FPA
Vdiag No.: 0C, 04, 08,
0D, 11
MR-372-J84-37B000$576.mif
Page 74 of 115
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V11
FPA
Vdiag No.: 0C, 04, 08,
0D, 11ELECTRONIC PARKING BRAKE
Fault finding – Conformity check37B
SUB FUNCTION: PARKING
NOTESOnly carry out this conformity check after carrying out a complete check using the
diagnostic tool.
Application conditions: ignition on (forced + after ignition, see Introduction)
Note:
The interpretation of these statuses and parameters is only valid with the
ignition switched on, the statuses and parameters displayed in blue on the
diagnostic tool is information supplied by other computers, which are transmitted via
the multiplex network. If these variables display inconsistent values, make sure that
the multiplex system test has not shown up any faulty connections. Repair the faulty
multiplex connections before looking for a possible problem with the signals.
Each sub-function in this test is associated with a Fault finding chart.
Special notes
The diagnostic tool may display the message Computer busy when displaying
statuses and parameters. This message is displayed when the parking brake is
applying or releasing the brake, because the computer gives priority to controlling the
motor before transmitting variables. If this message is displayed, exit the current
screen and then return to it.
Order FunctionParameter or Status
Checked or ActionDisplay and notes Fault finding
1Computer
electrical supplyET001:+ After ignition
feedIgnition off: ABSENT
Ignition on:
PRESENTIn the event of a fault on this
status, refer to the interpretation of
status ET001: + after ignition
supply.
PR001:Battery voltage9V
continuity and the absence of
interference resistance on the
computer supplies and earths
(see wiring diagram). If the fault is
still present, carry out fault
finding on the charging circuit
(see Technical Note 6014A,
Checking the charging circuit).
ET009:Redundant
braking switch
positionLever released:
INACTIVE
Lever pulled to the
second contact (end of
travel):
ACTIVEIf the status does not operate as
specified, use the interpretation
of status ET009 Redundant
braking switch position.
ET010:Release switch
positionLever in rest position
RELEASED
Lever fully pulled and
releasing switch
pressed: PRESSEDIf the status does not operate as
specified, apply the
interpretation of status ET010
Releasing switch position.
Page 111 of 115
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MR-372-J84-37B000$936.mif
V11
ELECTRONIC PARKING BRAKE
Fault finding – Fault finding chart
FPA
Vdiag No.: 0C, 04, 08,
0D, 11
37B
ALP4 Assisted braking fault (when the engine is stopped)
NOTESOnly consult this customer complaint after a full check using the diagnostic tool
(no present or stored faults).
(see the wiring diagrams technical note for the vehicle concerned).
Check for any potential faults in the ABS computer (see 38C, Anti-lock braking system), the UCH computer
(see 87B, Passenger compartment connection unit) and the injection computer (see 13B, Diesel injection or
17B, Petrol injection) to ensure that they have actually received a request to stop the engine.
Test the application of the electronic parking brake with the engine switched off.
Incorrect signal faults on the multiplex line.
Run a multiplex network test (see88B, Multiplex).
When the engine stalls, the automatic brake application function is not active.
Check the + 12 V supply, the insulation, continuity and the absence of interference resistance on the
following connection:
– connection code BP2
Between the electronic parking brake computer, component code 1217 and the battery, component code 107.
If the continuity is correct, test the charging circuit (see Technical Note 6014A, Checking the charging circuit).
Repair if necessary.
If the fault is still present, contact the Techline.
AFTER REPAIRCarry out a check using the diagnostic tool.
Deal with any other faults.
FPA_V0C_ALP4 / FPA_V04_ALP4 / FPA_V08_ALP4 / FPA_V0D_ALP4 / FPA_V11_ALP4
Page 112 of 115
37B-112
MR-372-J84-37B000$936.mif
V11
ELECTRONIC PARKING BRAKE
Fault finding – Fault finding chart
FPA
Vdiag No.: 0C, 04, 08,
0D, 11
37B
ALP5 Impossible to manually release electronic parking brake
NOTESOnly consult this customer complaint after a full check using the diagnostic tool
(no present or stored faults).
(see the wiring diagrams technical note for the vehicle concerned).
Check any incorrect signals on the multiplex line.
Run a multiplex network test (see88B, Multiplex).
Check that the card is correctly inserted for a card reader, scenario 1 (not hands-free).
If not, refer to the fault finding procedure for the UCH (see 87B, Passenger compartment connection unit).
Reposition it, if necessary.
Check that the steering column is unlocked.
Check the + 12 V supply, the insulation, continuity and the absence of interference resistance on the
following connection:
– connection code BP2
Between the electronic parking brake computer, component code 1217 and the battery, component code 107.
If the continuity is correct, test the charging circuit (see Technical Note 6014A, Checking the charging circuit).
Repair if necessary.
Check the operation of the release switch.
Check the continuity of the following connection codes:
– connection code 150P,
– connection code 150N,
– connection code 150B,
– connection code 150G,
Between the control unit of the electronic parking brake lever, component code 1216 and the electronic parking
brake computer, component code 1217.
Repair if necessary.
If the fault is still present, contact the Techline.
AFTER REPAIRCarry out a check using the diagnostic tool.
Deal with any other faults.
FPA_V0C_ALP5 / FPA_V04_ALP5 / FPA_V08_ALP5 / FPA_V0D_ALP5 / FPA_V11_ALP5
Page 115 of 115
37B-115
MR-372-J84-37B000$936.mif
V11
ELECTRONIC PARKING BRAKE
Fault finding – Fault finding chart
FPA
Vdiag No.: 0C, 04, 08,
0D, 11
37B
ALP8 The electronic parking brake does not apply correctly on a slope
NOTESOnly consult this customer complaint after a full check using the diagnostic tool
(no present or stored faults).
(see the wiring diagrams technical note for the vehicle concerned).
Check that the vehicle is correctly gripping the ground.
Check that the vehicle is not outside the limits.
Check the + 12 V supply, the insulation, continuity and the absence of interference resistance on the
following connection:
– connection code BP2
Between the electronic parking brake computer, component code 1217 and the battery, component code 107.
If the continuity is correct, test the charging circuit (see Technical Note 6014A, Checking the charging circuit).
Repair if necessary.
Check the condition of the brake pads (wear, fitting, insufficient running in, etc.).
Replace if necessary.
Check the condition of the brake callipers.
Repair if necessary.
Check the fitting of the pressure plate between the electronic parking brake and the brake calliper.
Refit if necessary.
If the fault is still present, contact the Techline.
AFTER REPAIRCarry out a check using the diagnostic tool.
Deal with any other faults.
FPA_V0C_ALP8 / FPA_V04_ALP8 / FPA_V08_ALP8 / FPA_V0D_ALP8 / FPA_V11_ALP8