| | Results of the tests |
| 1 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Connect
the diagnostic equipment (Examiner) to the diagnostic socket.Check that there are no faults in the climate control control
unit | Continue to Step 2 | An error is detected in
the control unit | Continue following the instructions for the diagnostic
equipment |
| Lack of dialogue with the control unit | Restore connection between climate control system control unit
and body computer See E6020 AIR CONDITIONING |
| 2 | ACTIVE DIAGNOSIS WITH DIAGNOSTIC
EQUIPMENT | All
OK | Problems
met | Operation |
|---|
| Using
the diagnostic equipment (Examiner), carry out active diagnosis
on the mixing motor (for manual versionj) or the two right and left mixing
motors (for automatic version) | Continue to Step 3 | Mixing motor connection
faulty | Restore
the connections See E6020 AIR CONDITIONING |
| Fault in left mixing motor flap | Replace the motor Op. 5040D84 |
| Fault in right mixing motor flap | Replace the motor Op. 5040D84 |
| Fault in mixing ports | Replace the mixing motor ports see under Op. 5040C24 |
| 3 | CHECKING HEATER PIPES | All OK | Problems met | Operation |
|---|
| Check
the efficiency and seal of the supply and return pipes to/from the
heater. | Continue to Step 4 | Pipes incorrectly connected | Restore the correct connection |
| Pipes damaged | Replace the pipes Op. 5040C24 |
| 4 | CHECKING HEATER RADIATOR | All OK | Problems met | Operation |
|---|
| Check
the seal of the heater radiator | Continue to Step 5 | Radiator dirty or obstructed | Clean the radiator and replace
if necessary Op. 5040C24 |
| 5 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | | Fault persists | Search for the fault starting from another symptom' |