2009 RENAULT SCENIC air conditioning

62B-14
CLIMATE CONTROL
Fault finding – Interpretation of faults62B
V3 MR-372-J84-62B000$060.mif
Vdiag No.: 44
CLIMATE CONTROL
Fault finding – Interpretation of faults
DF001
PRESENT
OR
STOREDCOMPUTER
1.DEF : Internal electronic fault
NOTESConditions for applying the fault finding procedure to stored faults:
Apply this fault finding procedure if the fault appears as present or stored again after:
–clearing the fault and switching the ignition off then back on.
If the fault is stored: clear the fault, switch off the ignition and disconnect the climate control computer supply
fuse.
–Refit the fuse and switch the ignition back on.
–Start the engine and switch on the air conditioning.
If the fault reappears as stored: contact your Techline.
If the fault does not reappear: leave the air conditioning switched on and select various ventilation and air
distribution settings to check that the system is working correctly.
If the fault is present: contact your Techline.
AFTER REPAIRIf the computer has been replaced (at the request of the Techline): reconfigure the
computer (see section Configurations and Programming).
Deal with any other faults.
ACREG X84 1.1
Edition 2
MR-372-J84-62B000$060.mif

62B-20
CLIMATE CONTROL
Fault finding – Interpretation of faults62B
V3 MR-372-J84-62B000$060.mif
Vdiag No.: 44
DF021
PRESENT
OR
STOREDRECIRCULATION MOTOR CIRCUIT
CO : Open circuit
CC.0 : Short circuit to earth
CC.1 : Short circuit to + 12 V
NOTESConditions for applying the fault finding procedure to stored faults:
The fault is declared present after:
–air conditioning panel lit and recirculation control pressed (select "recirculation" to
close the flap or "external air" to open the flap).
Special notes:
Climate control does not have automatic recirculation. However, in extreme
temperatures (above 35 ˚C) and when the air conditioning is switched on, the
recirculation flap sets itself to the recirculation position in order to warm up the
passenger compartment more quickly.
Check the connection and condition of the recirculation motor.
Replace the connector if necessary.
Disconnect connector B (18-track) from the climate control computer in order to check the insulation,
continuity and the absence of interference resistance of the following connections:
Computer connector B track 10 Track 6 of the recirculation motor
Computer connector B track 1 Track 5 of the recirculation motor
Check the resistance value of the recirculation motor by measuring between:
track 5 and track 6 of the recirculation motor connector. Replace the motor if the resistance is not: 35 ΩΩ Ω Ω
± 5 ΩΩ Ω Ω

at 20˚C.
If the fault is still present, remove the scuttle panel grille beneath the windscreen to look at the recirculation
flap. Run a recirculation command by pressing the air conditioning control panel button: the flap should close.
The flap should close during the command. During the command, check that the recirculation motor flap closes
without any stiff points and without jamming.
Repair if necessary.
If the fault is still present, replace the recirculation motor.
AFTER REPAIRClear the fault memory.
Follow the instructions to confirm repair.
Deal with any other faults.
ACREG X84 1.1
Edition 2

62B - 23
CLIMATE CONTROL
Fault finding – Interpretation of statuses62B
V3 MR-372-J84-62B000$070.mif
Vdiag No.: 44
ET062
RECIRCULATION FLAP POSITION
NOTESSpecial notes:
Climate control does not have automatic recirculation. However, in extreme
temperatures (above 35 ˚C) and when the air conditioning is switched on, the
recirculation flap sets itself to the recirculation position in order to warm up the
passenger compartment more quickly.
This status specifies the position of the recirculation flap.
If the flap is in the external air position, the status displays: OPEN.
If the flap is in the recirculation position, the status displays: CLOSED.
If the status does not operate as shown, use the fault finding procedure for fault DF021 Recirculation motor
circuit.
AFTER REPAIRRepeat the conformity check from the start.
ACREG X84 1.1
Edition 2

62B - 24
CLIMATE CONTROL
Fault finding – Interpretation of statuses62B
V3 MR-372-J84-62B000$070.mif
Vdiag No.: 44
ET085
HEATED REAR SCREEN: AUTO MODE
NOTESNone.
This status specifies whether the heated rear screen is operated in automatic mode or not. This mode
corresponds to the SEE CLEAR function. This function switches on the heated rear screen, the heated door
mirrors, the air conditioning and the windscreen ventilation at high speed.
The heated rear screen will operate for as long as the SEE CLEAR function is requested (permanently
controlled).
This automatic mode is obtained by pressing the de-icing button at the top of the air conditioning control panel.
If the SEE CLEAR function is requested, the status should display: ACTIVE.
If the SEE CLEAR function is not requested, the status should display: INACTIVE.
If the status does not operate as shown, refer to ALP 10 in Section 62A Air conditioning.
AFTER REPAIRRepeat the conformity check from the start.
ACREG X84 1.1
Edition 2

62B - 25
CLIMATE CONTROL
Fault finding – Interpretation of statuses62B
V3 MR-372-J84-62B000$070.mif
Vdiag No.: 44
ET086
HEATED REAR SCREEN: MANUAL MODE
NOTESNone.
This status specifies whether the heated rear screen is being operated in manual mode. This mode
corresponds to a timed operating period for the heated rear screen, controlled by the UCH.
This timed period depends on the exterior temperature (approximately 15 minutes).
Operation in manual mode is obtained by pressing the de-icing button at the bottom of the air conditioning
control panel. This function is used to switch on the heated rear screen and the heated door mirrors.
If operation of the heated rear screen is requested in manual mode, the status should display: ACTIVE.
If operation of the heated rear screen is not requested, the status should display: INACTIVE.
If the status does not operate as shown, refer to ALP 10 in Section 62A Air conditioning.
AFTER REPAIRRepeat the conformity check from the start.
ACREG X84 1.1
Edition 2

62B - 27
CLIMATE CONTROL
Fault finding – Interpretation of statuses62B
V3 MR-372-J84-62B000$070.mif
Vdiag No.: 44
ET143
AIR CONDITIONING REQUEST 1
NOTESNote:
For more information, refer to the compressor switch-on request flowchart in Section
62A Air conditioning.
This status specifies whether the request to switch on air conditioning has been sent by the climate control
computer to the UCH or not.
When operation of the air conditioning is requested, the status should display ACTIVE.
When operation of the air conditioning is not requested, the status should display INACTIVE.
If the status does not operate as shown, contact your Techline.
AFTER REPAIRRepeat the conformity check from the start.
ACREG X84 1.1
Edition 2

62B - 29
CLIMATE CONTROL
Fault finding – Interpretation of parameters62B
V3 MR-372-J84-62B000$080.mif
Vdiag No.: 44
PR006
SOLAR RADIATION
NOTESNone.
The solar sensor is used to improve the comfort level of the air conditioning according to the windscreen solar
radiation.
This sensor measures the solar radiation level and transmits the information to the climate control computer
in the form of a measurement in W/m
2. This measurement ranges from 0 to 400 W. The sensor is faulty if it
gives a value of 400 W although the vehicle is in the shade (in the workshop) as this value equals maximum
solar radiation.
If the value displayed by this parameter seems to be incorrect: check the signal transmitted by the sensor
based on the solar radiation, by measuring between track 2 of the sensor and earth (solar sensor connected
electrically, ignition on and control panel on).
0 W 4.91 V
50 W 4.28 V
100 W 3.70 V
200 W 2.55 V
300 W 1.40 V
400 W 0.30 V
If the fault is still present, apply the fault finding procedure for fault: DF026 Solar sensor circuit.
AFTER REPAIRRepeat the conformity check from the start.
ACREG X84 1.1
Edition 2

62B - 30
CLIMATE CONTROL
Fault finding – Interpretation of parameters62B
V3 MR-372-J84-62B000$080.mif
Vdiag No.: 44
The following table gives the percentages by which the air distribution motor is controlled as well as the opening
status of the lower flaps (footwell flap and under seat duct flap). To view the lower flaps, remove the right-hand and
left-hand lower air ducts.
Values should be checked with the engine switched off and the air conditioning in manual mode (tolerance ± 5%).PR011
DISTRIBUTION FLAP POSITION
NOTESThe values listed below are only given as a guide (they depend on which way the flap
is being moved).
Air distribution
requestPR011
Distribution
flap positionAir flow distribution information
Lower flap
opening status Demisting
flowVent flow Footwell flow
Demisting
100%
High Low NoneCompletely
CLOSED
Demisting + Footwells
60%
High Low HighCompletely
OPEN
Air vents
0%
Low High NoneCompletely
CLOSED
Vents + Footwells
15%
Low High HighApproximately 20%
OPEN
Footwell Ventilation
50%
Average Average HighCompletely
OPEN
AFTER REPAIRRepeat the conformity check from the start.
ACREG X84 1.1
Edition 2