145 - MiTo   1.4 16v TJet   LPG cylinder 3 misfire detected - Performance or incorrect operation   P1003-92   


 

 

 

 

Test results

 

1

 

COMPONENT CONCERNED

 

ELECTRICAL CONNECTIONS CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Connections on injector coils and Powertrain Control Module

 

Check for the loose connections on gas cylinder 3 injector.

 

Go to Step 2

 

Presence of loose electrical connections.

 

Restore the correct connections.

 

2

 

COMPONENT CONCERNED

 

WIRING CONTINUITY CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Wiring between SDU control unit and Powertrain Control Module

 

Check for the presence of continuity breaks on the wiring between SDU control unit and pin 44 of the Powertrain Control Module caused by oxidised or corroded terminals

 

Go to Step 3

 

Breaks in the wiring continuity.

 

Restore the correct continuity for the wiring.

 

3

 

COMPONENT CONCERNED

 

WIRING INSULATION CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Wiring between SDU control unit and Powertrain Control Module

 

Check the integrity of the wiring insulation between SDU control unit and pin 44 of the Powertrain Control Module (possible short circuit to battery)

 

Go to Step 4

 

Wiring insulation faulty.

 

Restore correct wiring insulation.

 

4

 

COMPONENT CONCERNED

 

INJECTOR CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Gas cylinder 3 injector

 

Check that the gas cylinder 3 injector is working properly

 

End of diagnosis

 

Injector not working properly

 

Replace the injector

 Op. 1057B71 INJECTOR (ONE) OF LPG INJECTION SYSTEM - R.R. WITH LPG MANIFOLD PIPE REMOVED