145 - MiTo   1.4 16v TJet   Fuel pump relay   P0230   


ABOVE THRESHOLD

 

 

 

Test results

 

1

 

ELECTRICAL CONNECTIONS CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check for loose connections at the relay and at the engine management control unit.

 

Go to Step 2

 

Presence of loose electrical connections.

 

Restore the correct connections.

 

2

 

WIRING CONTINUITY CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check for breaks in the wiring continuity

 See E5030 PETROL ENGINES ELECTRONIC MANAGEMENT

 

Go to Step 3

 

Breaks in the wiring continuity.

 

Restore the correct continuity for the wiring.

 

3

 

WIRING INSULATION CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check the condition of the wiring insulation

 

Go to Step 4

 

Wiring insulation faulty.

 

Restore correct wiring insulation.

 

4

 

PUMP RELAY OPERATION CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check that the pump relay is working properly using the Examiner in active diagnosis

 

End of diagnosis

 

Pump relay not working properly.

 

Replace the pump relay

BELOW THRESHOLD

 

 

 

Test results

 

1

 

ELECTRICAL CONNECTIONS CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check for loose connections at the relay and at the engine management control unit.

 

Go to Step 2

 

Presence of loose electrical connections.

 

Restore the correct connections.

 

2

 

WIRING CONTINUITY CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check for breaks in the wiring continuity

 See E5030 PETROL ENGINES ELECTRONIC MANAGEMENT

 

Go to Step 3

 

Breaks in the wiring continuity.

 

Restore the correct continuity for the wiring.

 

3

 

WIRING INSULATION CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check the condition of the wiring insulation

 

Go to Step 4

 

Wiring insulation faulty.

 

Restore correct wiring insulation.

 

4

 

PUMP RELAY OPERATION CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check that the pump relay is working properly using the Examiner in active diagnosis

 

End of diagnosis

 

Pump relay not working properly.

 

Replace the pump relay

ABOVE THRESHOLD

 

 

 

Test results

 

1

 

ELECTRICAL CONNECTIONS CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check for loose connections at the relay and at the engine management control unit.

 

Go to Step 2

 

Presence of loose electrical connections.

 

Restore the correct connections.

 

2

 

WIRING CONTINUITY CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check for breaks in the wiring continuity

 See E5030 PETROL ENGINES ELECTRONIC MANAGEMENT

 

Go to Step 3

 

Breaks in the wiring continuity.

 

Restore the correct continuity for the wiring.

 

3

 

WIRING INSULATION CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check the condition of the wiring insulation

 

Go to Step 4

 

Wiring insulation faulty.

 

Restore correct wiring insulation.

 

4

 

PUMP RELAY OPERATION CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check that the pump relay is working properly using the Examiner in active diagnosis

 

End of diagnosis

 

Pump relay not working properly.

 

Replace the pump relay

BELOW THRESHOLD

 

 

 

Test results

 

1

 

ELECTRICAL CONNECTIONS CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check for loose connections at the relay and at the engine management control unit.

 

Go to Step 2

 

Presence of loose electrical connections.

 

Restore the correct connections.

 

2

 

WIRING CONTINUITY CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check for breaks in the wiring continuity

 See E5030 PETROL ENGINES ELECTRONIC MANAGEMENT

 

Go to Step 3

 

Breaks in the wiring continuity.

 

Restore the correct continuity for the wiring.

 

3

 

WIRING INSULATION CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check the condition of the wiring insulation

 

Go to Step 4

 

Wiring insulation faulty.

 

Restore correct wiring insulation.

 

4

 

PUMP RELAY OPERATION CHECK

 

All OK

 

Problems encountered

 

Operation

 

 

Check that the pump relay is working properly using the Examiner in active diagnosis

 

End of diagnosis

 

Pump relay not working properly.

 

Replace the pump relay