145 - MiTo   1.4 16v TJet   Motorized throttle valve power stage - Signal signal invalid   P0638-29   


 

 

 

 

Test results

 

1

 

COMPONENT CONCERNED

 

ELECTRICAL CONNECTIONS CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Connections on throttle body

 

Check for the presence of loose electrical connections on the throttle body connector

 

Go to Step 2

 

Presence of loose electrical connections.

 

Restore the correct connections.

 

2

 

COMPONENT CONCERNED

 

CHECK THROTTLE BODY WIRING

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Throttle body wiring

 

Check for the presence of a short circuit on the motorised throttle wiring on pin 51 and pin 52 of the Powertrain Control Module

 

End of diagnosis

 

Presence of short circuit

 

Restore the correct insulation for the wiring