145 - MiTo   1.4 16v TJet   Conditioner relay control   P0645   


 

 

 

 

Test results

 

1

 

COMPONENT CONCERNED

 

ELECTRICAL CONNECTIONS CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Air conditioning compressor relay connections

 

Check for the presence of loose electrical connections on the air conditioning compressor relay.

 

Go to Step 2

 

Presence of loose electrical connections.

 

Restore the correct connections.

 

2

 

COMPONENT CONCERNED

 

AIR CONDITIONING COMPRESSOR RELAY WIRING CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Air conditioning compressor relay wiring

 

Check for the presence of a short circuit to earth on the air conditioning compressor relay wiring

 See E6021 COMPRESSOR ENGAGEMENT

 

Go to Step 3

 

Presence of short circuit to earth

 

Restore the correct earth connection

 

3

 

COMPONENT CONCERNED

 

AIR CONDITIONING COMPRESSOR RELAY WIRING CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Air conditioning compressor relay wiring

 

Check for the presence of a short circuit to Vbatt on the air conditioning compressor relay wiring

 See E6021 COMPRESSOR ENGAGEMENT

 

Go to Step 4

 

Presence of short circuit to Vbatt.

 

Restore the correct wiring

 

4

 

COMPONENT CONCERNED

 

AIR CONDITIONING COMPRESSOR RELAY WIRING CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Air conditioning compressor relay wiring

 

Check for the presence of an open circuit on the air conditioning compressor relay wiring

 See E6021 COMPRESSOR ENGAGEMENT

 

End of diagnosis

 

Presence of open circuit

 

Restore the correct continuity for the wiring