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"The repair procedures given by the manufacturer in this document are based on the
technical specifications current when it was prepared.
The procedures may be modified as a result of changes introduced by the
manufacturer in the production of the various component units and accessories fromwhich his vehicles are constructed."
MARCH 2006
All rights reserved by Renault s.a.s.
EDITION ANGLAISE
Copying or translating, in part or in full, of this document or use of the service partreference numbering system is forbidden without the prior written authority of
q When requesting technical assistance from the Techline.
q For certification requests when replacing parts that must be certified.
q Which must be attached to monitored parts for which reimbursement is requested. It is therefore used
to decide whether a reimbursement will be made under warranty and leads to improved analysis of the
removed parts.
6. SAFETY INSTRUCTIONS
All work on components requires obeying safety rules to prevent physical damage or human injury:
– Make sure the battery is properly charged to avoid damaging the computers with a low charge.
– Use the proper tools.
5. FAULT FINDING LOG
WARNING:
WARNING
All problems involving a complex system call for thorough diagnostics with the appropriate tools.
The FAULT FINDING LOG, which should be completed during the fault finding procedure,ensures a record is kept of the procedure carried out. It is an essential item when discussing the
fault with the constructor.
IT IS THEREFORE MANDATORY TO FILL OUT A FAULT FINDING SHEET EACH TIME FAULT FINDING
configuration adapts the sensors' detection field to the type of body.The type of gearbox associated with the body type (automatic or manual transmission) determines the timing of the
parking aid coming on. In fact, the parking aid coming on is indicated by a brief 5-second activation tone (vehicle
is in reverse gear). In vehicles with automatic transmission, the 3-second timer prevents the activation tone from
sounding every time the driver switches from Park to Drive.
Two types of vehicle can be programmed:
– J84 / R84 TA: Short and long Scénic II with automatic transmission.
– J84 / R84 BVM: Short and long Scénic II with manual transmission.
Following computer configuration, the configuration has to be confirmed by reading configuration "LC005 VEHICLE
Fault finding - Interpretation of faults 87FVdiag No.: 04Fault finding - Interpretation of faults
DF002
PRESENTOR
STORED
LEFT-HAND OUTER SENSOR
CC.1 : Short circuit to + 12 V
CO.0 : Open circuit or short circuit to earth
1.DEF: Internal electronic fault.
NOTES
Conditions for applying the fault finding procedure to the stored fault:
The fault is declared present after:
– shifting into reverse if the parking aid system is ON (READY): parking aid light switch
off, see the interpretation of status ET003 "Parking aid function".
Special notes:
This fault is indicated by the buzzer (5-second alarm) and the system shuts off.
Switch off the ignition and disconnect the computer's 16-track connector.
With the 16-track connector disconnected, measure resistances inside the computer:
The computer resistance between track 15 and track 9 should be 215 kΩΩΩΩ ±±±± 10 kΩΩΩΩ.
The computer resistance between track 15 and track 10 should be 100 kΩΩΩΩ ±±±± 5 kΩΩΩΩ.
If the readings do not match the above values, or if there is a short circuit between the specified tracks, contactyour Techline.
If the above check fails to solve the problem, remove the rear bumper and disconnect the outer left proximity
sensor's 3-track connector.
Check the condition of the sensor connector. Replace the connector if necessary.Measure the resistance between sensor track 2 (signal) and track 1 (power). Replace the sensor if the
resistance is not infinite.
Then measure the resistance between sensor track 2 (signal) and track 3 (earth). Replace the sensor if the
resistance is not 98 kΩΩΩΩ ±±±± 5 kΩΩΩΩ (wait a few seconds for the reading to stabilize).
With the ignition off , disconnect the parking-aid computer connector to check the insulation, continuity and
absence of interference resistance on the following connections:
Parking aid computer Left-hand outer sensor
Track 9 Track 1
Track 15 Track 2Track 10 Track 3
Repair if necessary (see vehicle diagram).
If the above checks fail to solve the problem, replace the outer left proximity sensor.
AFTER REPAIR – Clear the fault memory. – Follow the instructions to confirm repair.
Fault finding - Interpretation of faults 87FVdiag No.: 04
DF003
PRESENTOR
STORED
LEFT-HAND INNER SENSOR
CC.1 : Short circuit to + 12 V
CO.0 : Open circuit or short circuit to earth
1.DEF: Internal electronic fault.
NOTES
Conditions for applying the fault finding procedure to the stored fault:
The fault is declared present after:
– shifting into reverse if the parking aid system is ON (READY): parking aid light switch
off, see the interpretation of status ET003 "Parking aid function".
Special notes:
This fault is indicated by the buzzer (5-second alarm) and the system shuts off.
Switch off the ignition and disconnect the computer's 16-track connector.
With the 16-track connector disconnected, measure resistances inside the computer:
The computer resistance between track 14 and track 9 should be 215 kΩΩΩΩ ±±±± 10 kΩΩΩΩ.
The computer resistance between track 14 and track 10 should be 100 kΩΩΩΩ ±±±± 5 kΩΩΩΩ.
If the readings do not match the above values, or if there is a short circuit between the specified tracks, contactyour Techline.
If the above check fails to solve the problem, remove the rear bumper and disconnect the inner left proximity
sensor's 3-track connector.
Check the condition of the sensor connector. Replace the connector if necessary.Measure the resistance between sensor track 2 (signal) and track 1 (power). Replace the sensor if the
resistance is not infinite.
Then measure the resistance between sensor track 2 (signal) and track 3 (earth). Replace the sensor if the
resistance is not 98 kΩΩΩΩ ±±±± 5 kΩΩΩΩ (wait a few seconds for the reading to stabilize).
With the ignition off , disconnect the parking-aid computer connector to check the insulation, continuity and
absence of interference resistance on the following connections:
Parking aid computer Left-hand inner sensor
Track 9 Track 1
track 14 Track 2track 10 Track 3
Repair if necessary (see vehicle diagram).
If the above checks fail to solve the problem, replace the inner left proximity sensor.
AFTER REPAIR – Clear the fault memory. – Follow the instructions to confirm repair.
Fault finding - Interpretation of faults 87FVdiag No.: 04
DF004
PRESENTOR
STORED
RIGHT-HAND OUTER SENSOR
CC.1 : Short circuit to + 12 V
CO.0 : Open circuit or short circuit to earth
1.DEF: Internal electronic fault.
NOTES
Conditions for applying the fault finding procedure to the stored fault:
The fault is declared present after:
– shifting into reverse if the parking aid system is ON (READY): parking aid light switch
off, see the interpretation of status ET003 "Parking aid function".
Special notes:
This fault is indicated by the buzzer (5-second alarm) and the system shuts off.
Switch off the ignition and disconnect the computer's 16-track connector.
With the 16-track connector disconnected, measure resistances inside the computer:
The computer resistance between track 16 and track 9 should be 215 kΩΩΩΩ ±±±± 10 kΩΩΩΩ.
The computer resistance between track 16 and track 10 should be 100 kΩΩΩΩ ±±±± 5 kΩΩΩΩ.
If the readings do not match the above values, or if there is a short circuit between the specified tracks, contactyour Techline.
If the above check fails to solve the problem, remove the rear bumper and disconnect the outer right proximity
sensor's 3-track connector.
Check the condition of the sensor connector. Replace the connector if necessary.Measure the resistance between sensor track 2 (signal) and track 1 (power). Replace the sensor if the
resistance is not infinite.
Then measure the resistance between sensor track 2 (signal) and track 3 (earth). Replace the sensor if the
resistance is not 98 kΩΩΩΩ ±±±± 5 kΩΩΩΩ (wait a few seconds for the reading to stabilize).
With the ignition off , disconnect the parking-aid computer connector to check the insulation, continuity and
absence of interference resistance on the following connections:
Parking aid computer Right-hand outer sensor
Track 9 Track 1
Track 16 Track 2Track 10 Track 3
Repair if necessary (see vehicle diagram).
If the above checks fail to solve the problem, replace the outer right proximity sensor.
AFTER REPAIR – Clear the fault memory. – Follow the instructions to confirm repair.
Fault finding - Interpretation of faults 87FVdiag No.: 04
DF005
PRESENTOR
STORED
RIGHT-HAND INNER SENSOR
CC.1 : Short circuit to + 12 V
CO.0 : Open circuit or short circuit to earth
1.DEF: Internal electronic fault.
NOTES
Conditions for applying the fault finding procedure to the stored fault:
The fault is declared present after:
– shifting into reverse if the parking aid system is ON (READY): parking aid light switch
off, see the interpretation of status ET003 "Parking aid function".
Special notes:
This fault is indicated by the buzzer (5-second alarm) and the system shuts off.
Switch off the ignition and disconnect the computer's 16-track connector.
With the 16-track connector disconnected, measure resistances inside the computer:
The computer resistance between track 13 and track 9 should be 215 kΩΩΩΩ ±±±± 10 kΩΩΩΩ.
The computer resistance between track 13 and track 10 should be 100 kΩΩΩΩ ±±±± 5 kΩΩΩΩ.
If the readings do not match the above values, or if there is a short circuit between the specified tracks, contactyour Techline.
If the above check fails to solve the problem, remove the rear bumper and disconnect the inner right proximity
sensor's 3-track connector.
Check the condition of the sensor connector. Replace the connector if necessary.Measure the resistance between sensor track 2 (signal) and track 1 (power). Replace the sensor if the
resistance is not infinite.
Then measure the resistance between sensor track 2 (signal) and track 3 (earth). Replace the sensor if the
resistance is not 98 kΩΩΩΩ ±±±± 5 kΩΩΩΩ (wait a few seconds for the reading to stabilize).
With the ignition off , disconnect the parking-aid computer connector to check the insulation, continuity and
absence of interference resistance on the following connections:
Parking aid computer Right-hand inner sensor
Track 9 Track 1
Track 13 Track 2Track 10 Track 3
Repair if necessary (see vehicle diagram).
If the above checks fail to solve the problem, replace the inner right proximity sensor.
AFTER REPAIR – Clear the fault memory. – Follow the instructions to confirm repair.
Fault finding - Interpretation of faults 87FVdiag No.: 04
DF007
PRESENTOR
STORED
SUPPLY VOLTAGE SENSORS
CC.0 : Short circuit to earth
NOTES
Conditions for applying the fault finding procedure to the stored fault:
Apply this fault finding procedure if the fault appears as present or stored again after:
– clearing the fault, switching the ignition off and on, and shifting into reverse.
Special notes:The sensors receive a 12-volt power supply directly from the computer.
With the parking aid computer 16-track connector connected and the ignition on, measure the sensor power
supply coming from the computer. The power reading between track 9 (+ 12 V) and track 10 (earth) should
be the same as the battery voltage (± 0.5 V).
If there is not a 12-V power supply between the tracks specified above, remove the rear bumper to access the
sensors.
Switch off ignition and disconnect the parking-aid computer connector to check the insulation, continuityand absence of interference resistance on the following connections:
Parking aid computer connector Sensors
Track 9 Track 1 of the four sensorsTrack 10 Track 3 of the four sensors
Repair if necessary.
If the sensor power supply tests okay (no short circuit), reconnect the computer connector and four sensor
connectors.
Turn on the ignition and disconnect the sensors, one at a time, to see if any of the sensors causes the power
supply to drop. Replace the faulty sensor.
If the fault persists, contact your Techline.
AFTER REPAIR – Clear the fault memory. – Follow the instructions to confirm repair.
If the parking aid system is suspended or off, the parking aid switch light is on.
This status indicates whether the parking aid system is on or off:
– ET003: READY This means that, when backing up, the parking aid system detects obstacles and
the buzzer sounds (the parking aid switch light is off).
– ET003: DETECTING This status is displayed when in reverse and the parking aid system detectsan obstacle.
– ET003: SUSPENDED This means the parking aid system is switched off (no detection possible).
The suspension is temporary because the parking aid system comes back on after the ignition is switched off
and on. The system can be suspended and turned back on manually with a brief press (one second) on the
parking aid switch.
– ET003: OFF This means the parking aid system is switched off (no detection possible). Thissuspension is permanent (turning the ignition off and on does not reactivate the system). The system can be
turned off and on with a long press (three seconds) on the parking aid switch.
If the status is not as specified, check for an earth on track A2 of the parking aid switch.
Repair if necessary.
With the ignition off , disconnect the parking aid switch connector to check the insulation (against the earth and
+ 12 V), continuity, and absence of interference resistance in the following connection:
Parking aid switch connector Parking aid computer connector
Track B1 Track 12
Repair if necessary.
If the connection just checked is okay (no open or short circuit), and there is an earth on track A2 of the switch
but the problem persists, check switch operation with an ohmmeter.
Switch not pressed: insulation between track A2 and B1.
Switch pressed: continuity between track A2 and B1.
Replace the parking aid switch if it fails to function as specified.
AFTER REPAIR Repeat the conformity check from the start.
Vdiag No.: 04Fault finding - Interpretation of parameters
PR001
PR002
PR003
PR004
LEFT-HAND OUTER SENSOR DISTANCE
LEFT-HAND INNER SENSOR DISTANCE
RIGHT-HAND OUTER SENSOR DISTANCE
RIGHT-HAND INNER SENSOR DISTANCE
NOTES
Special notes:
Before tracking down a possible problem with these parameters, make sure no fault is
present or stored. If there is one, use the diagnostic procedure associated with the fault
detected by the fault-finding tool.
NOTE:The ultrasonic sensors are very fragile. Therefore, when removing the rear bumper, be
careful not to scratch them.
With the fault-finding tool's configuration reading screen ("repair mode" menu), make sure that the parking aid
system is properly configured for the type of body on which it is installed (LC005 "Vehicle identification":
Mégane, automatic or manual transmission). Reconfigure the computer if necessary with command CF005
"Vehicle identification".
With the vehicle near (20 to 150 cm) an obstacle, make sure the real distance matches the value displayed by
the fault-finding tool (PR001 to PR004).
If the distance is off or if the distance setting remains at 255 cm, make sure nothing is interfering with thereading (adhesive, mud, snow etc. on the rear bumper).
If the distances displayed by the sensors seem wrong or 255 cm is displayed steadily, check the condition of
the sensor(s). There must be no scratches on the detection component (outer metal part) of the sensors.
Replace the faulty sensor.
If the problem persists, apply the fault-finding procedure to the sensor whose distance reading is wrong (even
if the fault-finding tool does not report a fault).
AFTER REPAIR Repeat the conformity check from the start.
– The connection between the diagnostic tool and the diagnostic socket (wiring in good condition),
– the injection, engine and passenger compartment fuses.
Check for the presence of + 12 V battery on track 16, and + 12 V after ignition on track 1 and an earth ontrack 5 and on track 4 of the diagnostic socket.Repair if necessary.
With the ignition off, disconnect the parking-aid computer connector to check the insulation, continuity and
absence of interference resistance on the following connections:
Parking aid computer connector
Track 1 + Before ignition (see vehicle diagram)
Track 3 Earth
Track 8 track 7 of the diagnostic socket (line K)
Repair if necessary (see vehicle diagram).
AFTER REPAIR Perform a complete check using the diagnostic tool.