145 - MiTo   1.4 16v TJet   Throttle potentiometer sensor 1 - Circuit short to ground or open   P0121-14   


 

 

 

 

Test results

 

1

 

COMPONENT CONCERNED

 

MOTORISED THROTTLE WIRING CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Wiring between motorised throttle and Powertrain Control Module

 

Check for a short circuit to earth on the wiring between the motorised throttle and pin 24 of the Powertrain Control Module

 

Go to Step 2

 

Presence of short circuit to earth

 

Restore correct insulation to earth

 

2

 

COMPONENT CONCERNED

 

MOTORISED THROTTLE WIRING CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Wiring between motorised throttle and Powertrain Control Module

 

Check for an open circuit on the wiring between the motorised throttle and pin 24 of the Powertrain Control Module

 

End of diagnosis

 

Presence of open circuit

 

Restore the correct continuity