145 - MiTo   1.4 16v TJet   CAN network (NCM - NFR)   U1706   
 

 

 

 

Test results
 

1

  

COMPONENT CONCERNED

  

CHECK WIRING BETWEEN ENGINE MANAGEMENT CONTROL UNIT AND ABS CONTROL UNIT

  

OK (NO FAULTS DETECTED)

  

FAULT DETECTED

  

OPERATION
 

 

Wiring between engine management control unit and ABS control unit

  

Check that the CAN connections between the engine management control unit and the ABS control unit are not faulty. In particular, check that there are no open circuit or short circuit problems

  

Go to Step 2

  

There are faulty connections

  

Restore or, if necessary, replace the wiring
 

2

  

COMPONENT CONCERNED

  

ABS CONTROL UNIT CONNECTION CHECK

  

OK (NO FAULTS DETECTED)

  

FAULT DETECTED

  

OPERATION
 

 

ABS control unit connections

  

Disconnect/reconnect the ABS control unit connectors and check for the presence of loose pins

  

Go to Step 3

  

Presence of a loose pin

  

Restore the correct operation of the connector
 

3

  

COMPONENT CONCERNED

  

ENGINE MANAGEMENT CONTROL UNIT CONNECTION CHECK

  

OK (NO FAULTS DETECTED)

  

FAULT DETECTED

  

OPERATION
 

 

Engine management control unit connections

  

Disconnect/reconnect the engine management control unit connectors and check for a loose pin

  

Go to Step 4

  

Presence of a loose pin

  

Restore the correct operation of the connector
 

4

  

COMPONENT CONCERNED

  

ENGINE MANAGEMENT CONTROL UNIT SUPPLY CHECK

  

OK (NO FAULTS DETECTED)

  

FAULT DETECTED

  

OPERATION
 

 

Engine management control unit power supply

  

Check that the power supply for the engine management control unit is correct

  

Go to Step 5

  

Power supply not correct

  

Restore the correct power supply
 

5

  

COMPONENT CONCERNED

  

ABS CONTROL UNIT POWER SUPPLY CHECK

  

OK (NO FAULTS DETECTED)

  

FAULT DETECTED

  

OPERATION
 

 

ABS control unit supply

  

Check that the power supply for the ABS control unit is correct

  

Go to Step 5

  

Power supply not correct

  

Restore the correct power supply
 

6

  

COMPONENT CONCERNED

  

ABS CONTROL UNIT OPERATION CHECK

  

OK (NO FAULTS DETECTED)

  

FAULT DETECTED

  

OPERATION
 

 

ABS control unit

  

Check that the ABS control unit is working properly

  

Go to Step 6

  

The ABS control unit is not working correctly

  

Replace the ABS control unit

 Op. 3340A12 ABS HYDRAULIC AND ELECTRONIC CONTROL UNIT - R.R.
 

7

  

COMPONENT CONCERNED

  

ENGINE MANAGEMENT CONTROL UNIT OPERATION CHECK

  

OK (NO FAULTS DETECTED)

  

FAULT DETECTED

  

OPERATION
 

 

Engine management control unit

  

Check that the engine management control unit is working correctly

  

End of diagnosis

  

Engine management control unit not working correctly

  

Replace the engine management control unit

 Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R