125000628 - L15 CLIMATE CONTROL NOT HEATING

The fan works properly and sends air into the interior compartment in accordance with set flow patterns, but this air does not ensure the required heating.
Results of the tests
1CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socketCheck that there are no faults in the climate control control unit.Continue to Step 2An error is detected in the control unitContinue following the instructions for the diagnostic equipment
Communication lost with control unit - CAN errorRestore connection between climate control system control unit and body computer See    See E6020 AIR CONDITIONING
2ACTIVE DIAGNOSIS WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Using the diagnostic equipment (Examiner or other instruments), carry out the active diagnosis for the mixture motorContinue to Step 3Mixture motor connection faultyRestore the connections See    See E6020 AIR CONDITIONING
Mixture motor faultyReplace the motor Op.    Op. 5040D88 CONTROL MOTOR OF ANY FLAP - R R WITH AIR CONDITIONER CASING REMOVED
Fault in mixing portsReplace the mixing motor flaps Op.    Op. 5040C24 AIR CONDITIONER BOX - DISMANTLE AND REBUILD AT BENCH
3CHECKING HEATER RADIATORAll OKProblems metOperation
1.9 JTD 16VTwo-zone climate control systemCheck the seal of the heater radiatorContinue to Step 4Pipe from condenser to drier filter damagedReplace the pipe Op. 5040A52
Pipes to compressor damagedReplace the pipes Op. 5040A74
Pipes to evaporator damagedReplace the pipes Op. 5040A78
Radiator dirty or obstructedClean the radiator, if necessary, replace it Op. 5040C54
2.0 JTSTwo-zone climate control systemCheck the seal of the heater radiatorContinue to Step 4Pipe from compressor to condenser damagedReplace the pipe Op.    Op. 5040A50 PIPE FROM COMPRESSOR TO AIR CONDITIONER CONDENSER - R+R
Pipe from condenser to drier filter damagedReplace the pipe Op. 5040A52
Pipe from drier filter to evaporator inlet pipe damagedReplace the pipe Op. 5040A56
Evaporator inlet pipeReplace the pipe Op. 5040A57
Compressor inlet pipeReplace the pipe Op.    Op. 5040A73 COMPRESSOR INLET PIPE - R R
Pipes to evaporator damagedReplace the pipes Op. 5040A78
Radiator dirty or obstructedClean the radiator, if necessary, replace it Op. 5040C54
3.2 V6Two-zone climate control systemCheck the seal of the heater radiatorContinue to Step 4Pipe from compressor to condenser damagedReplace the pipe Op.    Op. 5040A50 PIPE FROM COMPRESSOR TO AIR CONDITIONER CONDENSER - R+R
Pipe from condenser to drier filter damagedReplace the pipe Op. 5040A52
Pipe from drier filter to evaporator inlet pipe damagedReplace the pipe Op. 5040A56
Compressor inlet pipeReplace the pipe Op.    Op. 5040A73 COMPRESSOR INLET PIPE - R R
Pipes to evaporator damagedReplace the pipes Op. 5040A78
Radiator dirty or obstructedClean the radiator, if necessary, replace it Op. 5040C54
4CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosis.