145 - MiTo   1.4 16v TJet   Motorized throttle valve power stage - Signal invalid   P0638-86   


 

 

 

 

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

 

THROTTLE BODY OPERATION CHECK

 

OK (NO FAULTS DETECTED)

 

FAULT DETECTED

 

OPERATION

 

 

Throttle body

 

Check that the throttle body is working correctly

 See Test 1056BW Check on the throttle body actuator operation

 

End of diagnosis

 

Throttle body not working correctly

 

Replace the throttle body

 Op. 1056B14 THROTTLE BODY - R + R