62B-76
MR-413-X44-62B000$828_eng.mif
V1
Vdiag No.: 44CLIMATE CONTROL
Diagnostic - Fault finding chart62B
ALP 4
CONTINUED
Is there a fault with the distribution of air?
NO
Is there a fault with the flow of air?
NO
Is the heating insufficient?
NO
Check that the air recirculation flap does not remain closed when in the recirculation position. On the diagnostic
tool, status ET062 RECIRCULATION FLAP POSITION should show OPEN (the flap can be seen by removing
the windscreen frame).
Repair if necessary (apply the fault finding procedure for fault DF021 RECIRCULATION MOTOR CIRCUIT).
Is the fault still present?
YES NO
Carry out a conformity check on the temperature
sensors (interior, exterior and coolant
temperatures). Replace any faulty components.YESSee ALP 2, Air distribution fault.
YESSee ALP 3 Air flow fault.
YESSee 61A, Heating, Fault finding chart,
ALP 6: No heating or loss of heating.
End of fault finding procedure.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
62B-91
MR-413-X44-62B000$920_eng.mif
V1
Vdiag No.: 44CLIMATE CONTROL
Diagnostic - Fault finding chart62B
ALP 11 Unpleasant odours in the passenger compartment
NOTESOnly consult this customer complaint after a complete check with the diagnostic
tool.
Check that the cabin filter is not blocked or damaged
(see MR 411 Mechanical, 61A, Heating, Cabin filter:
Removal - refitting).
Replace it if necessary.
Is the fault still present?
YES
Check that the condensate (water from the evaporator)
drain ring is not obstructed (beneath the body).
Repair if necessary.
Is the fault still present?
YES
Check the sealing of the heating unit in relation to the
engine compartment:
- Foam seal on the heater matrix coolant pipes fitted and
in good condition.
- Rubber seal on the radiator tank fitted and in good
condition (seal under the bonnet separating the engine
compartment from the windscreen aperture).
- Drain valve on the radiator tank fitted and in good
condition.
Repair if necessary.
Is the fault still present?
YES
Remove the passenger compartment filter to apply air
conditioning system cleaner using an extension piece on
the evaporator. Spray the entire contents of the aerosol.
Leave the product to work for 15 minutes.
NOEnd of fault finding procedure.
NOEnd of fault finding procedure.
NOEnd of fault finding procedure.
AFTER REPAIRCarry out a complete check with the diagnostic tool.
CLIM_V44_ALP11
62B-95
MR-413-X44-62B000$920_eng.mif
V1
CLIMATE CONTROL
Diagnostic - Fault finding chart
Vdiag No.: 44
62B
ALP 14 Noisy compressor
NOTESOnly deal with this customer complaint after a full check with the diagnostic tool
(fault reading and configuration checks).
WARNING
Check that the computers active in the AIR CONDITIONING function (Injection, UCH
and climate control) are correctly configured.
Note:
Before starting any work, check that the noise is indeed coming from the compressor.
Check that the compressor belt is in good condition and check its tension (for engines without automatic
tensioning) (see MR 411, Mechanical, 11A, Top and front of engine, Accessories belt: Removal - Refitting).
Check that the compressor is correctly fixed (see MR 411 Heating and air conditioning system, 62A,
Air conditioning, Compressor: Removal - Refitting).
Check the refrigerant fluid and look for any leaks. Significant loss of fluid causes the compressor to make noises.
(see Technical Note 6001A, Air conditioning, 62A, Air conditioning, Air conditioning: Check).
If the fault is still present, replace the air conditioning compressor (see MR 411, Mechanical, 62A,
Air conditioning, Compressor: Removal - Refitting).
AFTER REPAIRCarry out a complete check with the diagnostic tool.
